/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-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix011_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 10:41:16,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 10:41:16,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 10:41:16,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 10:41:16,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 10:41:16,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 10:41:16,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 10:41:16,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 10:41:16,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 10:41:16,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 10:41:16,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 10:41:16,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 10:41:16,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 10:41:16,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 10:41:16,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 10:41:16,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 10:41:16,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 10:41:16,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 10:41:16,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 10:41:16,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 10:41:16,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 10:41:16,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 10:41:16,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 10:41:16,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 10:41:16,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 10:41:16,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 10:41:16,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 10:41:16,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 10:41:16,154 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-VariableLbe.epf [2021-03-24 10:41:16,189 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 10:41:16,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 10:41:16,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 10:41:16,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 10:41:16,193 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 10:41:16,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 10:41:16,193 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 10:41:16,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 10:41:16,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 10:41:16,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 10:41:16,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 10:41:16,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 10:41:16,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 10:41:16,195 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 10:41:16,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 10:41:16,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 10:41:16,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 10:41:16,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 10:41:16,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 10:41:16,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 10:41:16,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 10:41:16,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 10:41:16,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 10:41:16,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 10:41:16,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 10:41:16,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 10:41:16,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 10:41:16,197 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 10:41:16,197 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 10:41:16,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 10:41:16,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 10:41:16,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 10:41:16,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 10:41:16,534 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 10:41:16,534 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 10:41:16,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix011_tso.opt.i [2021-03-24 10:41:16,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eccc0b05/466e1828c62b409b9bf6a76d7fb07493/FLAGe69d06f30 [2021-03-24 10:41:17,122 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 10:41:17,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix011_tso.opt.i [2021-03-24 10:41:17,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eccc0b05/466e1828c62b409b9bf6a76d7fb07493/FLAGe69d06f30 [2021-03-24 10:41:17,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eccc0b05/466e1828c62b409b9bf6a76d7fb07493 [2021-03-24 10:41:17,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 10:41:17,624 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 10:41:17,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 10:41:17,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 10:41:17,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 10:41:17,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:41:17" (1/1) ... [2021-03-24 10:41:17,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25aef6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:41:17, skipping insertion in model container [2021-03-24 10:41:17,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:41:17" (1/1) ... [2021-03-24 10:41:17,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 10:41:17,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 10:41:17,797 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/mix011_tso.opt.i[948,961] [2021-03-24 10:41:18,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 10:41:18,081 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 10:41:18,093 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/mix011_tso.opt.i[948,961] [2021-03-24 10:41:18,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 10:41:18,216 INFO L208 MainTranslator]: Completed translation [2021-03-24 10:41:18,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:41:18 WrapperNode [2021-03-24 10:41:18,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 10:41:18,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 10:41:18,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 10:41:18,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 10:41:18,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:41:18" (1/1) ... [2021-03-24 10:41:18,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:41:18" (1/1) ... [2021-03-24 10:41:18,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 10:41:18,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 10:41:18,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 10:41:18,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 10:41:18,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:41:18" (1/1) ... [2021-03-24 10:41:18,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:41:18" (1/1) ... [2021-03-24 10:41:18,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:41:18" (1/1) ... [2021-03-24 10:41:18,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:41:18" (1/1) ... [2021-03-24 10:41:18,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:41:18" (1/1) ... [2021-03-24 10:41:18,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:41:18" (1/1) ... [2021-03-24 10:41:18,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:41:18" (1/1) ... [2021-03-24 10:41:18,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 10:41:18,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 10:41:18,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 10:41:18,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 10:41:18,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:41:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 10:41:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 10:41:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 10:41:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 10:41:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 10:41:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 10:41:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 10:41:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 10:41:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 10:41:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 10:41:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 10:41:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 10:41:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 10:41:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 10:41:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 10:41:18,390 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 10:41:20,191 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 10:41:20,191 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 10:41:20,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:41:20 BoogieIcfgContainer [2021-03-24 10:41:20,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 10:41:20,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 10:41:20,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 10:41:20,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 10:41:20,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 10:41:17" (1/3) ... [2021-03-24 10:41:20,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1ec660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:41:20, skipping insertion in model container [2021-03-24 10:41:20,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:41:18" (2/3) ... [2021-03-24 10:41:20,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1ec660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:41:20, skipping insertion in model container [2021-03-24 10:41:20,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:41:20" (3/3) ... [2021-03-24 10:41:20,199 INFO L111 eAbstractionObserver]: Analyzing ICFG mix011_tso.opt.i [2021-03-24 10:41:20,204 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 10:41:20,207 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 10:41:20,208 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 10:41:20,246 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,247 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,247 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,247 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,247 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,247 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,247 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,247 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,248 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,249 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,249 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,249 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,249 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,249 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,249 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,249 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,253 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,253 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,253 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,253 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,253 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,253 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,265 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,265 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,268 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,269 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,269 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,273 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,274 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,274 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,274 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,274 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,275 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,275 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,281 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,281 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,281 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,281 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,290 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,291 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,291 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,291 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,294 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,294 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,294 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,295 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,295 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,295 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,295 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,295 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,295 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,296 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,298 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,298 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,298 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,304 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,305 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,306 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:41:20,310 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 10:41:20,325 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-24 10:41:20,368 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 10:41:20,369 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 10:41:20,369 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 10:41:20,369 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 10:41:20,369 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 10:41:20,369 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 10:41:20,369 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 10:41:20,369 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 10:41:20,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 102 transitions, 219 flow [2021-03-24 10:41:20,413 INFO L129 PetriNetUnfolder]: 2/99 cut-off events. [2021-03-24 10:41:20,413 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:41:20,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-24 10:41:20,417 INFO L82 GeneralOperation]: Start removeDead. Operand has 110 places, 102 transitions, 219 flow [2021-03-24 10:41:20,420 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 99 transitions, 207 flow [2021-03-24 10:41:20,421 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 10:41:20,428 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 99 transitions, 207 flow [2021-03-24 10:41:20,430 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 99 transitions, 207 flow [2021-03-24 10:41:20,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 207 flow [2021-03-24 10:41:20,448 INFO L129 PetriNetUnfolder]: 2/99 cut-off events. [2021-03-24 10:41:20,448 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:41:20,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-24 10:41:20,450 INFO L142 LiptonReduction]: Number of co-enabled transitions 1750 [2021-03-24 10:41:21,388 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 10:41:21,802 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-24 10:41:21,950 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-24 10:41:22,671 INFO L154 LiptonReduction]: Checked pairs total: 2346 [2021-03-24 10:41:22,672 INFO L156 LiptonReduction]: Total number of compositions: 67 [2021-03-24 10:41:22,675 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2255 [2021-03-24 10:41:22,684 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-03-24 10:41:22,684 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:41:22,684 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:41:22,685 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:41:22,685 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:41:22,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:41:22,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1531033386, now seen corresponding path program 1 times [2021-03-24 10:41:22,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:41:22,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918163905] [2021-03-24 10:41:22,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:41:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:41:22,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:22,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:41:22,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:22,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:41:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:41:22,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918163905] [2021-03-24 10:41:22,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:41:22,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 10:41:22,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932676180] [2021-03-24 10:41:22,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 10:41:22,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:41:22,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 10:41:22,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 10:41:22,959 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 169 [2021-03-24 10:41:22,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:22,962 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:41:22,962 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 169 [2021-03-24 10:41:22,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:41:23,043 INFO L129 PetriNetUnfolder]: 13/100 cut-off events. [2021-03-24 10:41:23,043 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:41:23,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 100 events. 13/100 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 368 event pairs, 5 based on Foata normal form. 8/100 useless extension candidates. Maximal degree in co-relation 119. Up to 25 conditions per place. [2021-03-24 10:41:23,045 INFO L132 encePairwiseOnDemand]: 165/169 looper letters, 6 selfloop transitions, 2 changer transitions 0/40 dead transitions. [2021-03-24 10:41:23,045 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 40 transitions, 105 flow [2021-03-24 10:41:23,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 10:41:23,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 10:41:23,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 458 transitions. [2021-03-24 10:41:23,057 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.903353057199211 [2021-03-24 10:41:23,058 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 458 transitions. [2021-03-24 10:41:23,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 458 transitions. [2021-03-24 10:41:23,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:41:23,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 458 transitions. [2021-03-24 10:41:23,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,073 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,075 INFO L185 Difference]: Start difference. First operand has 50 places, 41 transitions, 91 flow. Second operand 3 states and 458 transitions. [2021-03-24 10:41:23,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 40 transitions, 105 flow [2021-03-24 10:41:23,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 40 transitions, 102 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-24 10:41:23,079 INFO L241 Difference]: Finished difference. Result has 47 places, 38 transitions, 86 flow [2021-03-24 10:41:23,082 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2021-03-24 10:41:23,082 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2021-03-24 10:41:23,082 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 86 flow [2021-03-24 10:41:23,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,084 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:41:23,084 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:41:23,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 10:41:23,084 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:41:23,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:41:23,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1534991081, now seen corresponding path program 1 times [2021-03-24 10:41:23,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:41:23,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352368145] [2021-03-24 10:41:23,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:41:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:41:23,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:23,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:41:23,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:23,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:41:23,228 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 10:41:23,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:41:23,242 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:41:23,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:41:23,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:41:23,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352368145] [2021-03-24 10:41:23,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:41:23,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:41:23,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099660746] [2021-03-24 10:41:23,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:41:23,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:41:23,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:41:23,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:41:23,253 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 169 [2021-03-24 10:41:23,254 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 86 flow. Second operand has 5 states, 5 states have (on average 135.2) internal successors, (676), 5 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,254 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:41:23,254 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 169 [2021-03-24 10:41:23,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:41:23,427 INFO L129 PetriNetUnfolder]: 175/478 cut-off events. [2021-03-24 10:41:23,427 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:41:23,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 811 conditions, 478 events. 175/478 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3068 event pairs, 55 based on Foata normal form. 30/468 useless extension candidates. Maximal degree in co-relation 788. Up to 127 conditions per place. [2021-03-24 10:41:23,432 INFO L132 encePairwiseOnDemand]: 160/169 looper letters, 13 selfloop transitions, 6 changer transitions 20/61 dead transitions. [2021-03-24 10:41:23,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 61 transitions, 204 flow [2021-03-24 10:41:23,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:41:23,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:41:23,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 977 transitions. [2021-03-24 10:41:23,437 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8258664412510567 [2021-03-24 10:41:23,437 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 977 transitions. [2021-03-24 10:41:23,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 977 transitions. [2021-03-24 10:41:23,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:41:23,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 977 transitions. [2021-03-24 10:41:23,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 139.57142857142858) internal successors, (977), 7 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 169.0) internal successors, (1352), 8 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,443 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 169.0) internal successors, (1352), 8 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,444 INFO L185 Difference]: Start difference. First operand has 47 places, 38 transitions, 86 flow. Second operand 7 states and 977 transitions. [2021-03-24 10:41:23,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 61 transitions, 204 flow [2021-03-24 10:41:23,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 61 transitions, 200 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 10:41:23,446 INFO L241 Difference]: Finished difference. Result has 57 places, 38 transitions, 132 flow [2021-03-24 10:41:23,446 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=132, PETRI_PLACES=57, PETRI_TRANSITIONS=38} [2021-03-24 10:41:23,446 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 7 predicate places. [2021-03-24 10:41:23,446 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 38 transitions, 132 flow [2021-03-24 10:41:23,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 135.2) internal successors, (676), 5 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:41:23,447 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:41:23,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 10:41:23,447 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:41:23,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:41:23,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1321056784, now seen corresponding path program 1 times [2021-03-24 10:41:23,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:41:23,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627392517] [2021-03-24 10:41:23,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:41:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:41:23,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:23,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:41:23,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:23,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:41:23,515 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 10:41:23,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:41:23,529 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:41:23,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:41:23,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:41:23,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627392517] [2021-03-24 10:41:23,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:41:23,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:41:23,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74698895] [2021-03-24 10:41:23,534 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:41:23,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:41:23,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:41:23,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:41:23,536 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 169 [2021-03-24 10:41:23,537 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 38 transitions, 132 flow. Second operand has 5 states, 5 states have (on average 135.6) internal successors, (678), 5 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,537 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:41:23,537 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 169 [2021-03-24 10:41:23,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:41:23,653 INFO L129 PetriNetUnfolder]: 67/216 cut-off events. [2021-03-24 10:41:23,653 INFO L130 PetriNetUnfolder]: For 256/288 co-relation queries the response was YES. [2021-03-24 10:41:23,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 658 conditions, 216 events. 67/216 cut-off events. For 256/288 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 985 event pairs, 9 based on Foata normal form. 19/228 useless extension candidates. Maximal degree in co-relation 629. Up to 89 conditions per place. [2021-03-24 10:41:23,657 INFO L132 encePairwiseOnDemand]: 158/169 looper letters, 14 selfloop transitions, 12 changer transitions 11/59 dead transitions. [2021-03-24 10:41:23,657 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 59 transitions, 326 flow [2021-03-24 10:41:23,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:41:23,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:41:23,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 971 transitions. [2021-03-24 10:41:23,659 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8207945900253593 [2021-03-24 10:41:23,659 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 971 transitions. [2021-03-24 10:41:23,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 971 transitions. [2021-03-24 10:41:23,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:41:23,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 971 transitions. [2021-03-24 10:41:23,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 138.71428571428572) internal successors, (971), 7 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 169.0) internal successors, (1352), 8 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,665 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 169.0) internal successors, (1352), 8 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,665 INFO L185 Difference]: Start difference. First operand has 57 places, 38 transitions, 132 flow. Second operand 7 states and 971 transitions. [2021-03-24 10:41:23,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 59 transitions, 326 flow [2021-03-24 10:41:23,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 59 transitions, 314 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-24 10:41:23,670 INFO L241 Difference]: Finished difference. Result has 60 places, 44 transitions, 229 flow [2021-03-24 10:41:23,671 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=229, PETRI_PLACES=60, PETRI_TRANSITIONS=44} [2021-03-24 10:41:23,671 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 10 predicate places. [2021-03-24 10:41:23,671 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 44 transitions, 229 flow [2021-03-24 10:41:23,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 135.6) internal successors, (678), 5 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,672 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:41:23,672 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:41:23,672 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 10:41:23,672 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:41:23,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:41:23,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1589461634, now seen corresponding path program 1 times [2021-03-24 10:41:23,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:41:23,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986648870] [2021-03-24 10:41:23,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:41:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:41:23,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:23,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:41:23,801 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-03-24 10:41:23,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:41:23,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:23,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:41:23,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:23,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:41:23,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:41:23,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986648870] [2021-03-24 10:41:23,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:41:23,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:41:23,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161271135] [2021-03-24 10:41:23,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 10:41:23,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:41:23,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 10:41:23,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 10:41:23,811 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 169 [2021-03-24 10:41:23,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 44 transitions, 229 flow. Second operand has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:41:23,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 169 [2021-03-24 10:41:23,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:41:23,907 INFO L129 PetriNetUnfolder]: 199/466 cut-off events. [2021-03-24 10:41:23,907 INFO L130 PetriNetUnfolder]: For 320/325 co-relation queries the response was YES. [2021-03-24 10:41:23,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1184 conditions, 466 events. 199/466 cut-off events. For 320/325 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 2948 event pairs, 84 based on Foata normal form. 35/415 useless extension candidates. Maximal degree in co-relation 1148. Up to 281 conditions per place. [2021-03-24 10:41:23,913 INFO L132 encePairwiseOnDemand]: 163/169 looper letters, 10 selfloop transitions, 8 changer transitions 0/55 dead transitions. [2021-03-24 10:41:23,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 55 transitions, 287 flow [2021-03-24 10:41:23,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 10:41:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 10:41:23,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 715 transitions. [2021-03-24 10:41:23,915 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8461538461538461 [2021-03-24 10:41:23,915 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 715 transitions. [2021-03-24 10:41:23,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 715 transitions. [2021-03-24 10:41:23,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:41:23,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 715 transitions. [2021-03-24 10:41:23,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 169.0) internal successors, (1014), 6 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,920 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 169.0) internal successors, (1014), 6 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,920 INFO L185 Difference]: Start difference. First operand has 60 places, 44 transitions, 229 flow. Second operand 5 states and 715 transitions. [2021-03-24 10:41:23,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 55 transitions, 287 flow [2021-03-24 10:41:23,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 55 transitions, 274 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-24 10:41:23,926 INFO L241 Difference]: Finished difference. Result has 61 places, 51 transitions, 276 flow [2021-03-24 10:41:23,926 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=276, PETRI_PLACES=61, PETRI_TRANSITIONS=51} [2021-03-24 10:41:23,927 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 11 predicate places. [2021-03-24 10:41:23,927 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 51 transitions, 276 flow [2021-03-24 10:41:23,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:23,928 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:41:23,928 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:41:23,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 10:41:23,929 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:41:23,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:41:23,929 INFO L82 PathProgramCache]: Analyzing trace with hash 360086334, now seen corresponding path program 1 times [2021-03-24 10:41:23,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:41:23,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448959649] [2021-03-24 10:41:23,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:41:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:41:24,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:24,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:41:24,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:24,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:41:24,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:24,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:41:24,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:24,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:41:24,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:24,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:41:24,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:41:24,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448959649] [2021-03-24 10:41:24,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:41:24,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 10:41:24,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610159019] [2021-03-24 10:41:24,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:41:24,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:41:24,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:41:24,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:41:24,059 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 169 [2021-03-24 10:41:24,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 51 transitions, 276 flow. Second operand has 5 states, 5 states have (on average 139.8) internal successors, (699), 5 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,059 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:41:24,060 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 169 [2021-03-24 10:41:24,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:41:24,142 INFO L129 PetriNetUnfolder]: 141/375 cut-off events. [2021-03-24 10:41:24,142 INFO L130 PetriNetUnfolder]: For 544/873 co-relation queries the response was YES. [2021-03-24 10:41:24,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1354 conditions, 375 events. 141/375 cut-off events. For 544/873 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2293 event pairs, 16 based on Foata normal form. 138/472 useless extension candidates. Maximal degree in co-relation 1334. Up to 216 conditions per place. [2021-03-24 10:41:24,146 INFO L132 encePairwiseOnDemand]: 163/169 looper letters, 8 selfloop transitions, 15 changer transitions 3/63 dead transitions. [2021-03-24 10:41:24,146 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 63 transitions, 390 flow [2021-03-24 10:41:24,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:41:24,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:41:24,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1001 transitions. [2021-03-24 10:41:24,149 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8461538461538461 [2021-03-24 10:41:24,149 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1001 transitions. [2021-03-24 10:41:24,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1001 transitions. [2021-03-24 10:41:24,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:41:24,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1001 transitions. [2021-03-24 10:41:24,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 143.0) internal successors, (1001), 7 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 169.0) internal successors, (1352), 8 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,154 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 169.0) internal successors, (1352), 8 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,154 INFO L185 Difference]: Start difference. First operand has 61 places, 51 transitions, 276 flow. Second operand 7 states and 1001 transitions. [2021-03-24 10:41:24,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 63 transitions, 390 flow [2021-03-24 10:41:24,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 63 transitions, 382 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-24 10:41:24,158 INFO L241 Difference]: Finished difference. Result has 67 places, 58 transitions, 367 flow [2021-03-24 10:41:24,158 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=367, PETRI_PLACES=67, PETRI_TRANSITIONS=58} [2021-03-24 10:41:24,158 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 17 predicate places. [2021-03-24 10:41:24,159 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 58 transitions, 367 flow [2021-03-24 10:41:24,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 139.8) internal successors, (699), 5 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,159 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:41:24,159 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:41:24,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 10:41:24,159 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:41:24,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:41:24,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1770504126, now seen corresponding path program 1 times [2021-03-24 10:41:24,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:41:24,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323831743] [2021-03-24 10:41:24,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:41:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:41:24,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:24,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:41:24,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:24,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:41:24,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:24,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:41:24,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:24,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:41:24,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:24,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:41:24,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:24,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:41:24,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:41:24,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323831743] [2021-03-24 10:41:24,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:41:24,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 10:41:24,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293498204] [2021-03-24 10:41:24,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 10:41:24,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:41:24,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 10:41:24,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-24 10:41:24,260 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 169 [2021-03-24 10:41:24,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 58 transitions, 367 flow. Second operand has 6 states, 6 states have (on average 139.83333333333334) internal successors, (839), 6 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:41:24,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 169 [2021-03-24 10:41:24,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:41:24,364 INFO L129 PetriNetUnfolder]: 121/327 cut-off events. [2021-03-24 10:41:24,364 INFO L130 PetriNetUnfolder]: For 1442/1938 co-relation queries the response was YES. [2021-03-24 10:41:24,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1475 conditions, 327 events. 121/327 cut-off events. For 1442/1938 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2028 event pairs, 8 based on Foata normal form. 125/412 useless extension candidates. Maximal degree in co-relation 1435. Up to 196 conditions per place. [2021-03-24 10:41:24,368 INFO L132 encePairwiseOnDemand]: 163/169 looper letters, 5 selfloop transitions, 19 changer transitions 4/65 dead transitions. [2021-03-24 10:41:24,368 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 65 transitions, 459 flow [2021-03-24 10:41:24,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 10:41:24,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 10:41:24,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1281 transitions. [2021-03-24 10:41:24,372 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8422090729783037 [2021-03-24 10:41:24,372 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1281 transitions. [2021-03-24 10:41:24,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1281 transitions. [2021-03-24 10:41:24,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:41:24,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1281 transitions. [2021-03-24 10:41:24,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 142.33333333333334) internal successors, (1281), 9 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 169.0) internal successors, (1690), 10 states have internal predecessors, (1690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,378 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 169.0) internal successors, (1690), 10 states have internal predecessors, (1690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,378 INFO L185 Difference]: Start difference. First operand has 67 places, 58 transitions, 367 flow. Second operand 9 states and 1281 transitions. [2021-03-24 10:41:24,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 65 transitions, 459 flow [2021-03-24 10:41:24,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 65 transitions, 410 flow, removed 17 selfloop flow, removed 4 redundant places. [2021-03-24 10:41:24,384 INFO L241 Difference]: Finished difference. Result has 74 places, 59 transitions, 379 flow [2021-03-24 10:41:24,384 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=379, PETRI_PLACES=74, PETRI_TRANSITIONS=59} [2021-03-24 10:41:24,384 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 24 predicate places. [2021-03-24 10:41:24,384 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 59 transitions, 379 flow [2021-03-24 10:41:24,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 139.83333333333334) internal successors, (839), 6 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,385 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:41:24,385 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:41:24,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 10:41:24,385 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:41:24,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:41:24,386 INFO L82 PathProgramCache]: Analyzing trace with hash -158786160, now seen corresponding path program 1 times [2021-03-24 10:41:24,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:41:24,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092593919] [2021-03-24 10:41:24,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:41:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:41:24,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:24,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:41:24,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:24,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:41:24,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:24,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:41:24,455 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 10:41:24,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:41:24,468 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:41:24,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:41:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:41:24,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092593919] [2021-03-24 10:41:24,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:41:24,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 10:41:24,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181851567] [2021-03-24 10:41:24,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 10:41:24,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:41:24,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 10:41:24,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 10:41:24,475 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 169 [2021-03-24 10:41:24,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 59 transitions, 379 flow. Second operand has 6 states, 6 states have (on average 132.16666666666666) internal successors, (793), 6 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,476 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:41:24,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 169 [2021-03-24 10:41:24,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:41:24,585 INFO L129 PetriNetUnfolder]: 122/423 cut-off events. [2021-03-24 10:41:24,585 INFO L130 PetriNetUnfolder]: For 1173/1243 co-relation queries the response was YES. [2021-03-24 10:41:24,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1754 conditions, 423 events. 122/423 cut-off events. For 1173/1243 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 2937 event pairs, 8 based on Foata normal form. 2/406 useless extension candidates. Maximal degree in co-relation 1709. Up to 115 conditions per place. [2021-03-24 10:41:24,589 INFO L132 encePairwiseOnDemand]: 157/169 looper letters, 10 selfloop transitions, 11 changer transitions 25/80 dead transitions. [2021-03-24 10:41:24,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 80 transitions, 599 flow [2021-03-24 10:41:24,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:41:24,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:41:24,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 943 transitions. [2021-03-24 10:41:24,591 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7971259509721048 [2021-03-24 10:41:24,591 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 943 transitions. [2021-03-24 10:41:24,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 943 transitions. [2021-03-24 10:41:24,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:41:24,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 943 transitions. [2021-03-24 10:41:24,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 134.71428571428572) internal successors, (943), 7 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 169.0) internal successors, (1352), 8 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,596 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 169.0) internal successors, (1352), 8 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,596 INFO L185 Difference]: Start difference. First operand has 74 places, 59 transitions, 379 flow. Second operand 7 states and 943 transitions. [2021-03-24 10:41:24,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 80 transitions, 599 flow [2021-03-24 10:41:24,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 80 transitions, 521 flow, removed 22 selfloop flow, removed 9 redundant places. [2021-03-24 10:41:24,608 INFO L241 Difference]: Finished difference. Result has 75 places, 53 transitions, 314 flow [2021-03-24 10:41:24,608 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=314, PETRI_PLACES=75, PETRI_TRANSITIONS=53} [2021-03-24 10:41:24,608 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 25 predicate places. [2021-03-24 10:41:24,608 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 53 transitions, 314 flow [2021-03-24 10:41:24,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 132.16666666666666) internal successors, (793), 6 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,609 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:41:24,609 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:41:24,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 10:41:24,609 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:41:24,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:41:24,610 INFO L82 PathProgramCache]: Analyzing trace with hash -982121394, now seen corresponding path program 2 times [2021-03-24 10:41:24,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:41:24,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352489072] [2021-03-24 10:41:24,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:41:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:41:24,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:24,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:41:24,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:41:24,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:41:24,685 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:41:24,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:41:24,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:41:24,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352489072] [2021-03-24 10:41:24,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:41:24,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 10:41:24,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677747666] [2021-03-24 10:41:24,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 10:41:24,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:41:24,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 10:41:24,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 10:41:24,690 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 169 [2021-03-24 10:41:24,691 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 53 transitions, 314 flow. Second operand has 4 states, 4 states have (on average 148.25) internal successors, (593), 4 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,691 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:41:24,691 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 169 [2021-03-24 10:41:24,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:41:24,725 INFO L129 PetriNetUnfolder]: 35/197 cut-off events. [2021-03-24 10:41:24,725 INFO L130 PetriNetUnfolder]: For 343/348 co-relation queries the response was YES. [2021-03-24 10:41:24,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 197 events. 35/197 cut-off events. For 343/348 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1144 event pairs, 4 based on Foata normal form. 1/195 useless extension candidates. Maximal degree in co-relation 665. Up to 48 conditions per place. [2021-03-24 10:41:24,727 INFO L132 encePairwiseOnDemand]: 165/169 looper letters, 3 selfloop transitions, 2 changer transitions 14/54 dead transitions. [2021-03-24 10:41:24,727 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 54 transitions, 338 flow [2021-03-24 10:41:24,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-24 10:41:24,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-24 10:41:24,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 596 transitions. [2021-03-24 10:41:24,729 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8816568047337278 [2021-03-24 10:41:24,729 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 596 transitions. [2021-03-24 10:41:24,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 596 transitions. [2021-03-24 10:41:24,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:41:24,729 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 596 transitions. [2021-03-24 10:41:24,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 169.0) internal successors, (845), 5 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,733 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 169.0) internal successors, (845), 5 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,733 INFO L185 Difference]: Start difference. First operand has 75 places, 53 transitions, 314 flow. Second operand 4 states and 596 transitions. [2021-03-24 10:41:24,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 54 transitions, 338 flow [2021-03-24 10:41:24,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 54 transitions, 307 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-03-24 10:41:24,737 INFO L241 Difference]: Finished difference. Result has 73 places, 40 transitions, 192 flow [2021-03-24 10:41:24,737 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=192, PETRI_PLACES=73, PETRI_TRANSITIONS=40} [2021-03-24 10:41:24,737 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 23 predicate places. [2021-03-24 10:41:24,737 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 40 transitions, 192 flow [2021-03-24 10:41:24,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 148.25) internal successors, (593), 4 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:41:24,738 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:41:24,738 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:41:24,738 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 10:41:24,738 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:41:24,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:41:24,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1602168334, now seen corresponding path program 3 times [2021-03-24 10:41:24,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:41:24,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876245793] [2021-03-24 10:41:24,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:41:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 10:41:24,783 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 10:41:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 10:41:24,841 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 10:41:24,892 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 10:41:24,893 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 10:41:24,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 10:41:24,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 10:41:24 BasicIcfg [2021-03-24 10:41:24,998 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 10:41:24,999 INFO L168 Benchmark]: Toolchain (without parser) took 7374.58 ms. Allocated memory was 255.9 MB in the beginning and 425.7 MB in the end (delta: 169.9 MB). Free memory was 234.0 MB in the beginning and 202.7 MB in the end (delta: 31.3 MB). Peak memory consumption was 200.3 MB. Max. memory is 16.0 GB. [2021-03-24 10:41:24,999 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.6 MB in the end (delta: 178.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 10:41:25,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.59 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 234.0 MB in the beginning and 313.3 MB in the end (delta: -79.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-24 10:41:25,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.06 ms. Allocated memory is still 354.4 MB. Free memory was 313.3 MB in the beginning and 310.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 10:41:25,000 INFO L168 Benchmark]: Boogie Preprocessor took 27.24 ms. Allocated memory is still 354.4 MB. Free memory was 310.6 MB in the beginning and 308.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 10:41:25,001 INFO L168 Benchmark]: RCFGBuilder took 1881.35 ms. Allocated memory is still 354.4 MB. Free memory was 308.5 MB in the beginning and 155.0 MB in the end (delta: 153.5 MB). Peak memory consumption was 155.9 MB. Max. memory is 16.0 GB. [2021-03-24 10:41:25,001 INFO L168 Benchmark]: TraceAbstraction took 4803.98 ms. Allocated memory was 354.4 MB in the beginning and 425.7 MB in the end (delta: 71.3 MB). Free memory was 155.0 MB in the beginning and 202.7 MB in the end (delta: -47.8 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.0 GB. [2021-03-24 10:41:25,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.6 MB in the end (delta: 178.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 593.59 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 234.0 MB in the beginning and 313.3 MB in the end (delta: -79.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 64.06 ms. Allocated memory is still 354.4 MB. Free memory was 313.3 MB in the beginning and 310.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.24 ms. Allocated memory is still 354.4 MB. Free memory was 310.6 MB in the beginning and 308.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1881.35 ms. Allocated memory is still 354.4 MB. Free memory was 308.5 MB in the beginning and 155.0 MB in the end (delta: 153.5 MB). Peak memory consumption was 155.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4803.98 ms. Allocated memory was 354.4 MB in the beginning and 425.7 MB in the end (delta: 71.3 MB). Free memory was 155.0 MB in the beginning and 202.7 MB in the end (delta: -47.8 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2241.5ms, 107 PlacesBefore, 50 PlacesAfterwards, 99 TransitionsBefore, 41 TransitionsAfterwards, 1750 CoEnabledTransitionPairs, 4 FixpointIterations, 28 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 67 TotalNumberOfCompositions, 2346 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1401, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 920, positive: 893, positive conditional: 0, positive unconditional: 893, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 920, positive: 893, positive conditional: 0, positive unconditional: 893, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1401, positive: 453, positive conditional: 0, positive unconditional: 453, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 920, unknown conditional: 0, unknown unconditional: 920] , Statistics on independence cache: Total cache size (in pairs): 86, Positive cache size: 71, Positive conditional cache size: 0, Positive unconditional cache size: 71, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L713] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L715] 0 int __unbuffered_p2_EAX = 0; [L717] 0 int __unbuffered_p2_EBX = 0; [L719] 0 int a = 0; [L720] 0 _Bool main$tmp_guard0; [L721] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L723] 0 int x = 0; [L725] 0 int y = 0; [L727] 0 int z = 0; [L728] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L729] 0 int z$mem_tmp; [L730] 0 _Bool z$r_buff0_thd0; [L731] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L732] 0 _Bool z$r_buff0_thd2; [L733] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L734] 0 _Bool z$r_buff1_thd0; [L735] 0 _Bool z$r_buff1_thd1; [L736] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L737] 0 _Bool z$r_buff1_thd3; [L738] 0 _Bool z$read_delayed; [L739] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L740] 0 int z$w_buff0; [L741] 0 _Bool z$w_buff0_used; [L742] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L743] 0 _Bool z$w_buff1_used; [L744] 0 _Bool weak$$choice0; [L745] 0 _Bool weak$$choice2; [L851] 0 pthread_t t302; [L852] FCALL, FORK 0 pthread_create(&t302, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L853] 0 pthread_t t303; [L854] FCALL, FORK 0 pthread_create(&t303, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L855] 0 pthread_t t304; [L856] FCALL, FORK 0 pthread_create(&t304, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L798] 3 z$w_buff1 = z$w_buff0 [L799] 3 z$w_buff0 = 1 [L800] 3 z$w_buff1_used = z$w_buff0_used [L801] 3 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L803] 3 z$r_buff1_thd0 = z$r_buff0_thd0 [L804] 3 z$r_buff1_thd1 = z$r_buff0_thd1 [L805] 3 z$r_buff1_thd2 = z$r_buff0_thd2 [L806] 3 z$r_buff1_thd3 = z$r_buff0_thd3 [L807] 3 z$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L810] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L811] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L812] 3 z$flush_delayed = weak$$choice2 [L813] 3 z$mem_tmp = z [L814] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L814] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1 [L814] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L814] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L815] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L815] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L816] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L816] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L817] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L817] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L818] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L818] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L819] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L819] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L820] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L820] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L821] 3 __unbuffered_p2_EAX = z [L822] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L822] 3 z = z$flush_delayed ? z$mem_tmp : z [L823] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L826] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L749] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L764] 2 x = 2 [L767] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L773] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L774] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L775] 2 z$flush_delayed = weak$$choice2 [L776] 2 z$mem_tmp = z [L777] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L777] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L778] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L778] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0) [L778] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L778] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L779] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L779] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1) [L779] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L779] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L780] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L780] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used) [L780] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L780] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L781] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L781] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L782] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2) [L782] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L782] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L783] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L783] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] 2 __unbuffered_p1_EBX = z [L785] EXPR 2 z$flush_delayed ? z$mem_tmp : z [L785] 2 z = z$flush_delayed ? z$mem_tmp : z [L786] 2 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L791] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L793] 2 return 0; [L757] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L759] 1 return 0; [L829] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L829] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L830] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L830] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L831] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L831] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L832] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L832] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L833] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L833] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L836] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L838] 3 return 0; [L858] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L862] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L862] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L862] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L862] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L863] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L863] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L864] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L864] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L865] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L865] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L866] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L866] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L869] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 101 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 4528.6ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 985.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2310.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 80 SDtfs, 68 SDslu, 118 SDs, 0 SdLazy, 179 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 196.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 178.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=379occurred in iteration=6, InterpolantAutomatonStates: 49, 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: 34.1ms SsaConstructionTime, 354.1ms SatisfiabilityAnalysisTime, 556.6ms InterpolantComputationTime, 243 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 202 ConstructedInterpolants, 0 QuantifiedInterpolants, 990 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...