/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/ldv-races/race-1_2-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 11:14:51,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 11:14:51,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 11:14:51,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 11:14:51,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 11:14:51,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 11:14:51,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 11:14:51,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 11:14:51,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 11:14:51,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 11:14:51,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 11:14:51,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 11:14:51,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 11:14:51,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 11:14:51,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 11:14:51,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 11:14:51,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 11:14:51,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 11:14:51,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 11:14:51,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 11:14:51,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 11:14:51,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 11:14:51,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 11:14:51,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 11:14:51,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-24 11:14:51,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-24 11:14:51,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-24 11:14:51,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-24 11:14:51,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-24 11:14:51,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-24 11:14:51,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-24 11:14:51,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-24 11:14:51,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-24 11:14:51,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-24 11:14:51,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-24 11:14:51,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-24 11:14:51,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-24 11:14:51,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-24 11:14:51,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 11:14:51,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 11:14:51,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 11:14:51,150 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 11:14:51,176 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 11:14:51,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 11:14:51,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 11:14:51,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 11:14:51,180 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 11:14:51,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 11:14:51,180 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 11:14:51,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 11:14:51,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 11:14:51,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 11:14:51,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 11:14:51,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 11:14:51,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 11:14:51,181 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 11:14:51,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 11:14:51,181 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 11:14:51,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 11:14:51,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 11:14:51,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 11:14:51,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 11:14:51,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 11:14:51,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 11:14:51,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 11:14:51,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 11:14:51,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 11:14:51,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 11:14:51,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 11:14:51,182 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 11:14:51,182 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 11:14:51,182 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 11:14:51,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 11:14:51,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 11:14:51,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 11:14:51,460 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 11:14:51,460 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 11:14:51,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i [2021-03-24 11:14:51,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e2e39db9/3b2306734be04f219aebd8ce283b0fd6/FLAG0ba9828d0 [2021-03-24 11:14:51,958 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 11:14:51,959 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i [2021-03-24 11:14:51,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e2e39db9/3b2306734be04f219aebd8ce283b0fd6/FLAG0ba9828d0 [2021-03-24 11:14:51,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e2e39db9/3b2306734be04f219aebd8ce283b0fd6 [2021-03-24 11:14:51,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 11:14:51,985 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 11:14:51,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 11:14:51,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 11:14:51,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 11:14:51,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 11:14:51" (1/1) ... [2021-03-24 11:14:51,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4501ec26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:14:51, skipping insertion in model container [2021-03-24 11:14:51,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 11:14:51" (1/1) ... [2021-03-24 11:14:51,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 11:14:52,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 11:14:52,475 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i[76153,76166] [2021-03-24 11:14:52,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 11:14:52,505 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 11:14:52,541 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i[76153,76166] [2021-03-24 11:14:52,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 11:14:52,727 INFO L208 MainTranslator]: Completed translation [2021-03-24 11:14:52,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:14:52 WrapperNode [2021-03-24 11:14:52,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 11:14:52,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 11:14:52,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 11:14:52,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 11:14:52,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:14:52" (1/1) ... [2021-03-24 11:14:52,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:14:52" (1/1) ... [2021-03-24 11:14:52,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 11:14:52,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 11:14:52,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 11:14:52,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 11:14:52,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:14:52" (1/1) ... [2021-03-24 11:14:52,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:14:52" (1/1) ... [2021-03-24 11:14:52,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:14:52" (1/1) ... [2021-03-24 11:14:52,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:14:52" (1/1) ... [2021-03-24 11:14:52,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:14:52" (1/1) ... [2021-03-24 11:14:52,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:14:52" (1/1) ... [2021-03-24 11:14:52,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:14:52" (1/1) ... [2021-03-24 11:14:52,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 11:14:52,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 11:14:52,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 11:14:52,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 11:14:52,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:14:52" (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 11:14:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 11:14:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 11:14:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 11:14:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-24 11:14:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-24 11:14:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-24 11:14:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 11:14:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 11:14:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 11:14:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-24 11:14:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-24 11:14:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 11:14:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 11:14:52,853 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 11:14:53,215 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 11:14:53,215 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-03-24 11:14:53,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 11:14:53 BoogieIcfgContainer [2021-03-24 11:14:53,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 11:14:53,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 11:14:53,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 11:14:53,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 11:14:53,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 11:14:51" (1/3) ... [2021-03-24 11:14:53,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1592749a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 11:14:53, skipping insertion in model container [2021-03-24 11:14:53,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:14:52" (2/3) ... [2021-03-24 11:14:53,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1592749a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 11:14:53, skipping insertion in model container [2021-03-24 11:14:53,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 11:14:53" (3/3) ... [2021-03-24 11:14:53,221 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2021-03-24 11:14:53,224 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 11:14:53,227 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-03-24 11:14:53,228 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 11:14:53,243 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,243 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,243 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,243 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,244 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,244 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,244 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,244 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,244 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,244 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,244 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,244 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,244 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,244 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,245 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,245 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,246 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,246 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,246 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,246 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,246 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:14:53,250 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-24 11:14:53,262 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-24 11:14:53,274 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 11:14:53,274 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 11:14:53,274 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 11:14:53,274 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 11:14:53,275 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 11:14:53,275 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 11:14:53,275 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 11:14:53,275 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 11:14:53,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 87 transitions, 182 flow [2021-03-24 11:14:53,302 INFO L129 PetriNetUnfolder]: 4/98 cut-off events. [2021-03-24 11:14:53,303 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-24 11:14:53,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 98 events. 4/98 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 147 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 58. Up to 3 conditions per place. [2021-03-24 11:14:53,304 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 87 transitions, 182 flow [2021-03-24 11:14:53,307 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 72 transitions, 150 flow [2021-03-24 11:14:53,308 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 11:14:53,313 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 72 transitions, 150 flow [2021-03-24 11:14:53,315 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 72 transitions, 150 flow [2021-03-24 11:14:53,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 72 transitions, 150 flow [2021-03-24 11:14:53,324 INFO L129 PetriNetUnfolder]: 1/72 cut-off events. [2021-03-24 11:14:53,324 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-24 11:14:53,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 72 events. 1/72 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2021-03-24 11:14:53,326 INFO L142 LiptonReduction]: Number of co-enabled transitions 168 [2021-03-24 11:14:54,829 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2021-03-24 11:14:55,023 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2021-03-24 11:14:55,341 INFO L154 LiptonReduction]: Checked pairs total: 167 [2021-03-24 11:14:55,341 INFO L156 LiptonReduction]: Total number of compositions: 51 [2021-03-24 11:14:55,343 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2036 [2021-03-24 11:14:55,348 INFO L129 PetriNetUnfolder]: 0/4 cut-off events. [2021-03-24 11:14:55,348 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:14:55,348 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:14:55,349 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-03-24 11:14:55,349 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:14:55,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:14:55,356 INFO L82 PathProgramCache]: Analyzing trace with hash 296456953, now seen corresponding path program 1 times [2021-03-24 11:14:55,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:14:55,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357131457] [2021-03-24 11:14:55,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:14:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:14:55,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:14:55,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:14:55,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:14:55,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:14:55,653 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 11:14:55,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357131457] [2021-03-24 11:14:55,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:14:55,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 11:14:55,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907258258] [2021-03-24 11:14:55,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 11:14:55,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:14:55,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 11:14:55,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 11:14:55,672 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 138 [2021-03-24 11:14:55,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 24 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 11:14:55,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:14:55,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 138 [2021-03-24 11:14:55,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:14:55,699 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-03-24 11:14:55,699 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-24 11:14:55,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 21 events. 0/21 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-24 11:14:55,700 INFO L132 encePairwiseOnDemand]: 132/138 looper letters, 2 selfloop transitions, 4 changer transitions 0/21 dead transitions. [2021-03-24 11:14:55,700 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 21 transitions, 60 flow [2021-03-24 11:14:55,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 11:14:55,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 11:14:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 338 transitions. [2021-03-24 11:14:55,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8164251207729468 [2021-03-24 11:14:55,715 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 338 transitions. [2021-03-24 11:14:55,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 338 transitions. [2021-03-24 11:14:55,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:14:55,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 338 transitions. [2021-03-24 11:14:55,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 11:14:55,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:14:55,730 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:14:55,731 INFO L185 Difference]: Start difference. First operand has 27 places, 24 transitions, 54 flow. Second operand 3 states and 338 transitions. [2021-03-24 11:14:55,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 21 transitions, 60 flow [2021-03-24 11:14:55,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 21 transitions, 56 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 11:14:55,735 INFO L241 Difference]: Finished difference. Result has 25 places, 21 transitions, 52 flow [2021-03-24 11:14:55,736 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=52, PETRI_PLACES=25, PETRI_TRANSITIONS=21} [2021-03-24 11:14:55,737 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, -2 predicate places. [2021-03-24 11:14:55,739 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 21 transitions, 52 flow [2021-03-24 11:14:55,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 11:14:55,740 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:14:55,740 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:14:55,743 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 11:14:55,744 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:14:55,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:14:55,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1295212417, now seen corresponding path program 1 times [2021-03-24 11:14:55,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:14:55,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992357605] [2021-03-24 11:14:55,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:14:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:14:55,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:14:55,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:14:55,821 INFO L142 QuantifierPusher]: treesize reduction 11, result has 21.4 percent of original size [2021-03-24 11:14:55,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:14:55,823 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 11:14:55,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992357605] [2021-03-24 11:14:55,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:14:55,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 11:14:55,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103583993] [2021-03-24 11:14:55,824 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 11:14:55,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:14:55,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 11:14:55,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 11:14:55,826 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 138 [2021-03-24 11:14:55,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 21 transitions, 52 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 11:14:55,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:14:55,827 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 138 [2021-03-24 11:14:55,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:14:55,848 INFO L129 PetriNetUnfolder]: 3/27 cut-off events. [2021-03-24 11:14:55,849 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-24 11:14:55,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 27 events. 3/27 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 36 event pairs, 3 based on Foata normal form. 1/27 useless extension candidates. Maximal degree in co-relation 28. Up to 15 conditions per place. [2021-03-24 11:14:55,849 INFO L132 encePairwiseOnDemand]: 136/138 looper letters, 8 selfloop transitions, 0 changer transitions 1/20 dead transitions. [2021-03-24 11:14:55,849 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 20 transitions, 66 flow [2021-03-24 11:14:55,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 11:14:55,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 11:14:55,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 316 transitions. [2021-03-24 11:14:55,851 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7632850241545893 [2021-03-24 11:14:55,851 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 316 transitions. [2021-03-24 11:14:55,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 316 transitions. [2021-03-24 11:14:55,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:14:55,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 316 transitions. [2021-03-24 11:14:55,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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 11:14:55,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:14:55,854 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:14:55,855 INFO L185 Difference]: Start difference. First operand has 25 places, 21 transitions, 52 flow. Second operand 3 states and 316 transitions. [2021-03-24 11:14:55,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 20 transitions, 66 flow [2021-03-24 11:14:55,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 20 transitions, 60 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 11:14:55,855 INFO L241 Difference]: Finished difference. Result has 24 places, 19 transitions, 40 flow [2021-03-24 11:14:55,856 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=40, PETRI_PLACES=24, PETRI_TRANSITIONS=19} [2021-03-24 11:14:55,856 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, -3 predicate places. [2021-03-24 11:14:55,856 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 19 transitions, 40 flow [2021-03-24 11:14:55,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 11:14:55,857 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:14:55,857 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:14:55,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 11:14:55,857 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:14:55,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:14:55,857 INFO L82 PathProgramCache]: Analyzing trace with hash -841244296, now seen corresponding path program 1 times [2021-03-24 11:14:55,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:14:55,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663103152] [2021-03-24 11:14:55,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:14:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:14:55,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:14:55,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:14:55,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:14:55,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:14:55,908 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 11:14:55,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663103152] [2021-03-24 11:14:55,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:14:55,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 11:14:55,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572515424] [2021-03-24 11:14:55,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 11:14:55,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:14:55,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 11:14:55,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 11:14:55,911 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 138 [2021-03-24 11:14:55,911 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 19 transitions, 40 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 11:14:55,911 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:14:55,911 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 138 [2021-03-24 11:14:55,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:14:55,930 INFO L129 PetriNetUnfolder]: 2/29 cut-off events. [2021-03-24 11:14:55,930 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:14:55,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 29 events. 2/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 40 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 44. Up to 10 conditions per place. [2021-03-24 11:14:55,930 INFO L132 encePairwiseOnDemand]: 133/138 looper letters, 7 selfloop transitions, 4 changer transitions 0/22 dead transitions. [2021-03-24 11:14:55,931 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 22 transitions, 68 flow [2021-03-24 11:14:55,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 11:14:55,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 11:14:55,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 318 transitions. [2021-03-24 11:14:55,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7681159420289855 [2021-03-24 11:14:55,932 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 318 transitions. [2021-03-24 11:14:55,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 318 transitions. [2021-03-24 11:14:55,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:14:55,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 318 transitions. [2021-03-24 11:14:55,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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 11:14:55,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:14:55,934 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:14:55,934 INFO L185 Difference]: Start difference. First operand has 24 places, 19 transitions, 40 flow. Second operand 3 states and 318 transitions. [2021-03-24 11:14:55,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 22 transitions, 68 flow [2021-03-24 11:14:55,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 22 transitions, 68 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-24 11:14:55,935 INFO L241 Difference]: Finished difference. Result has 26 places, 22 transitions, 70 flow [2021-03-24 11:14:55,935 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=26, PETRI_TRANSITIONS=22} [2021-03-24 11:14:55,935 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, -1 predicate places. [2021-03-24 11:14:55,935 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 22 transitions, 70 flow [2021-03-24 11:14:55,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 11:14:55,935 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:14:55,935 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:14:55,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 11:14:55,936 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:14:55,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:14:55,937 INFO L82 PathProgramCache]: Analyzing trace with hash -981797066, now seen corresponding path program 1 times [2021-03-24 11:14:55,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:14:55,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938032740] [2021-03-24 11:14:55,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:14:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 11:14:55,971 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 11:14:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 11:14:55,991 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 11:14:56,012 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 11:14:56,012 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 11:14:56,012 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 11:14:56,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 11:14:56 BasicIcfg [2021-03-24 11:14:56,037 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 11:14:56,038 INFO L168 Benchmark]: Toolchain (without parser) took 4051.59 ms. Allocated memory was 308.3 MB in the beginning and 402.7 MB in the end (delta: 94.4 MB). Free memory was 269.1 MB in the beginning and 202.4 MB in the end (delta: 66.7 MB). Peak memory consumption was 163.2 MB. Max. memory is 16.0 GB. [2021-03-24 11:14:56,038 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 308.3 MB. Free memory was 289.3 MB in the beginning and 289.2 MB in the end (delta: 71.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 11:14:56,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.63 ms. Allocated memory is still 308.3 MB. Free memory was 268.9 MB in the beginning and 264.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 85.6 MB. Max. memory is 16.0 GB. [2021-03-24 11:14:56,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.36 ms. Allocated memory is still 308.3 MB. Free memory was 264.8 MB in the beginning and 261.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 11:14:56,045 INFO L168 Benchmark]: Boogie Preprocessor took 23.78 ms. Allocated memory is still 308.3 MB. Free memory was 261.8 MB in the beginning and 259.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-24 11:14:56,045 INFO L168 Benchmark]: RCFGBuilder took 424.80 ms. Allocated memory is still 308.3 MB. Free memory was 259.7 MB in the beginning and 217.8 MB in the end (delta: 41.9 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.0 GB. [2021-03-24 11:14:56,046 INFO L168 Benchmark]: TraceAbstraction took 2819.34 ms. Allocated memory was 308.3 MB in the beginning and 402.7 MB in the end (delta: 94.4 MB). Free memory was 217.8 MB in the beginning and 202.4 MB in the end (delta: 15.4 MB). Peak memory consumption was 109.8 MB. Max. memory is 16.0 GB. [2021-03-24 11:14:56,052 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 308.3 MB. Free memory was 289.3 MB in the beginning and 289.2 MB in the end (delta: 71.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 741.63 ms. Allocated memory is still 308.3 MB. Free memory was 268.9 MB in the beginning and 264.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 85.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 38.36 ms. Allocated memory is still 308.3 MB. Free memory was 264.8 MB in the beginning and 261.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 23.78 ms. Allocated memory is still 308.3 MB. Free memory was 261.8 MB in the beginning and 259.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 424.80 ms. Allocated memory is still 308.3 MB. Free memory was 259.7 MB in the beginning and 217.8 MB in the end (delta: 41.9 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2819.34 ms. Allocated memory was 308.3 MB in the beginning and 402.7 MB in the end (delta: 94.4 MB). Free memory was 217.8 MB in the beginning and 202.4 MB in the end (delta: 15.4 MB). Peak memory consumption was 109.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2025.8ms, 75 PlacesBefore, 27 PlacesAfterwards, 72 TransitionsBefore, 24 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 51 TotalNumberOfCompositions, 167 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 132, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 86, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 86, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 132, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 86, unknown conditional: 0, unknown unconditional: 86] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - CounterExampleResult [Line: 1695]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1696] 0 pthread_t t1; [L1697] 0 pthread_mutex_t mutex; [L1698] 0 int pdev; VAL [mutex={5:0}, pdev=0, t1={6:0}] [L1709] 0 pdev = 1 [L1695] COND FALSE 0 !(!expression) [L1711] COND TRUE 0 __VERIFIER_nondet_int() [L1712] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={5:0}, pdev=1, t1={6:0}] [L1714] 0 pdev = 2 VAL [arg={0:0}, mutex={5:0}, pdev=2, t1={6:0}] [L1702] 1 pdev = 6 [L1695] COND TRUE 0 !expression [L1695] 0 reach_error() VAL [arg={0:0}, arg={0:0}, mutex={5:0}, pdev=6, t1={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 83 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 2741.0ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 125.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2072.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 22 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 20 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=3, InterpolantAutomatonStates: 9, 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: 10.3ms SsaConstructionTime, 85.3ms SatisfiabilityAnalysisTime, 188.5ms InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...