/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:03:54,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:03:54,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:03:54,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:03:54,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:03:54,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:03:54,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:03:54,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:03:54,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:03:54,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:03:54,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:03:54,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:03:54,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:03:54,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:03:54,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:03:54,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:03:54,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:03:54,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:03:54,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:03:54,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:03:54,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:03:54,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:03:54,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:03:54,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:03:54,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 23:03:54,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 23:03:54,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 23:03:54,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 23:03:54,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 23:03:54,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 23:03:54,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:03:54,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:03:54,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:03:54,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:03:54,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:03:54,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:03:54,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:03:54,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:03:54,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:03:54,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:03:54,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:03:54,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-21 23:03:54,869 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:03:54,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:03:54,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:03:54,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:03:54,872 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:03:54,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:03:54,873 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:03:54,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:03:54,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:03:54,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:03:54,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:03:54,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:03:54,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:03:54,875 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:03:54,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:03:54,876 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:03:54,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:03:54,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:03:54,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:03:54,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:03:54,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:03:54,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:03:54,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:03:54,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:03:54,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:03:54,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:03:54,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:03:54,878 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:03:54,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:03:55,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:03:55,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:03:55,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:03:55,221 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:03:55,223 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:03:55,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc.i [2020-10-21 23:03:55,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f294c99e4/f7bc9f6c850245e5bd8f6105fa3bd775/FLAG61064d674 [2020-10-21 23:03:55,815 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:03:55,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc.i [2020-10-21 23:03:55,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f294c99e4/f7bc9f6c850245e5bd8f6105fa3bd775/FLAG61064d674 [2020-10-21 23:03:56,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f294c99e4/f7bc9f6c850245e5bd8f6105fa3bd775 [2020-10-21 23:03:56,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:03:56,133 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:03:56,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:03:56,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:03:56,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:03:56,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:03:56" (1/1) ... [2020-10-21 23:03:56,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e15412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:56, skipping insertion in model container [2020-10-21 23:03:56,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:03:56" (1/1) ... [2020-10-21 23:03:56,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:03:56,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:03:56,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:03:56,734 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:03:56,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:03:56,892 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:03:56,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:56 WrapperNode [2020-10-21 23:03:56,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:03:56,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:03:56,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:03:56,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:03:56,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:56" (1/1) ... [2020-10-21 23:03:56,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:56" (1/1) ... [2020-10-21 23:03:56,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:03:56,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:03:56,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:03:56,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:03:56,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:56" (1/1) ... [2020-10-21 23:03:56,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:56" (1/1) ... [2020-10-21 23:03:56,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:56" (1/1) ... [2020-10-21 23:03:56,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:56" (1/1) ... [2020-10-21 23:03:56,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:56" (1/1) ... [2020-10-21 23:03:56,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:56" (1/1) ... [2020-10-21 23:03:56,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:56" (1/1) ... [2020-10-21 23:03:56,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:03:56,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:03:56,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:03:56,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:03:56,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:56" (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 [2020-10-21 23:03:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:03:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 23:03:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:03:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:03:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 23:03:57,031 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 23:03:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 23:03:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 23:03:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 23:03:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 23:03:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:03:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 23:03:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:03:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:03:57,034 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 23:03:57,420 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:03:57,420 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-21 23:03:57,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:03:57 BoogieIcfgContainer [2020-10-21 23:03:57,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:03:57,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:03:57,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:03:57,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:03:57,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:03:56" (1/3) ... [2020-10-21 23:03:57,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a543fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:03:57, skipping insertion in model container [2020-10-21 23:03:57,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:56" (2/3) ... [2020-10-21 23:03:57,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a543fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:03:57, skipping insertion in model container [2020-10-21 23:03:57,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:03:57" (3/3) ... [2020-10-21 23:03:57,431 INFO L111 eAbstractionObserver]: Analyzing ICFG safe000_pso.oepc.i [2020-10-21 23:03:57,443 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:03:57,444 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:03:57,452 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 23:03:57,453 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:03:57,481 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,481 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,482 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,482 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,483 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,483 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,483 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,484 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,484 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,484 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,485 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,486 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,486 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,486 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,486 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,487 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,491 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,491 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,491 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,507 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,508 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,509 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,509 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,511 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,511 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,512 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,512 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:57,519 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:03:57,532 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-21 23:03:57,550 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:03:57,550 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:03:57,550 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:03:57,550 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 23:03:57,550 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:03:57,551 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:03:57,551 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:03:57,551 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:03:57,563 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:03:57,564 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 79 transitions, 173 flow [2020-10-21 23:03:57,567 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 79 transitions, 173 flow [2020-10-21 23:03:57,569 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 86 places, 79 transitions, 173 flow [2020-10-21 23:03:57,615 INFO L129 PetriNetUnfolder]: 3/76 cut-off events. [2020-10-21 23:03:57,616 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 23:03:57,624 INFO L80 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 76 events. 3/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-10-21 23:03:57,628 INFO L116 LiptonReduction]: Number of co-enabled transitions 1440 [2020-10-21 23:03:59,193 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-10-21 23:03:59,294 INFO L131 LiptonReduction]: Checked pairs total: 2779 [2020-10-21 23:03:59,295 INFO L133 LiptonReduction]: Total number of compositions: 70 [2020-10-21 23:03:59,302 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-10-21 23:03:59,349 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-10-21 23:03:59,352 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-10-21 23:03:59,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-21 23:03:59,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:03:59,381 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:03:59,386 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:03:59,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:03:59,391 INFO L82 PathProgramCache]: Analyzing trace with hash -460323677, now seen corresponding path program 1 times [2020-10-21 23:03:59,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:03:59,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096497914] [2020-10-21 23:03:59,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:03:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:03:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:03:59,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096497914] [2020-10-21 23:03:59,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:03:59,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:03:59,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544990276] [2020-10-21 23:03:59,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-21 23:03:59,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:03:59,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-21 23:03:59,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-21 23:03:59,590 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-10-21 23:03:59,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:03:59,620 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-10-21 23:03:59,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-21 23:03:59,621 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-10-21 23:03:59,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:03:59,638 INFO L225 Difference]: With dead ends: 362 [2020-10-21 23:03:59,638 INFO L226 Difference]: Without dead ends: 298 [2020-10-21 23:03:59,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-21 23:03:59,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-21 23:03:59,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-10-21 23:03:59,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-21 23:03:59,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-10-21 23:03:59,721 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-10-21 23:03:59,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:03:59,722 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-10-21 23:03:59,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-21 23:03:59,722 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-10-21 23:03:59,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 23:03:59,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:03:59,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:03:59,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:03:59,724 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:03:59,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:03:59,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1385173359, now seen corresponding path program 1 times [2020-10-21 23:03:59,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:03:59,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955215808] [2020-10-21 23:03:59,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:03:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:03:59,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:03:59,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955215808] [2020-10-21 23:03:59,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:03:59,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:03:59,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529215125] [2020-10-21 23:03:59,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:03:59,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:03:59,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:03:59,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:03:59,881 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-10-21 23:03:59,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:03:59,925 INFO L93 Difference]: Finished difference Result 330 states and 904 transitions. [2020-10-21 23:03:59,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:03:59,926 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-21 23:03:59,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:03:59,929 INFO L225 Difference]: With dead ends: 330 [2020-10-21 23:03:59,929 INFO L226 Difference]: Without dead ends: 266 [2020-10-21 23:03:59,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:03:59,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-21 23:03:59,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-21 23:03:59,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-21 23:03:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 744 transitions. [2020-10-21 23:03:59,952 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 744 transitions. Word has length 9 [2020-10-21 23:03:59,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:03:59,952 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 744 transitions. [2020-10-21 23:03:59,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:03:59,952 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 744 transitions. [2020-10-21 23:03:59,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 23:03:59,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:03:59,955 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:03:59,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:03:59,955 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:03:59,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:03:59,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1113237188, now seen corresponding path program 1 times [2020-10-21 23:03:59,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:03:59,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635647097] [2020-10-21 23:03:59,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:03:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:00,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:04:00,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635647097] [2020-10-21 23:04:00,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:00,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:04:00,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147885491] [2020-10-21 23:04:00,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:04:00,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:00,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:04:00,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:04:00,103 INFO L87 Difference]: Start difference. First operand 266 states and 744 transitions. Second operand 6 states. [2020-10-21 23:04:00,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:00,205 INFO L93 Difference]: Finished difference Result 360 states and 938 transitions. [2020-10-21 23:04:00,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-21 23:04:00,205 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-10-21 23:04:00,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:00,207 INFO L225 Difference]: With dead ends: 360 [2020-10-21 23:04:00,207 INFO L226 Difference]: Without dead ends: 174 [2020-10-21 23:04:00,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-21 23:04:00,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-10-21 23:04:00,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2020-10-21 23:04:00,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-10-21 23:04:00,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 430 transitions. [2020-10-21 23:04:00,221 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 430 transitions. Word has length 11 [2020-10-21 23:04:00,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:00,221 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 430 transitions. [2020-10-21 23:04:00,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:04:00,221 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 430 transitions. [2020-10-21 23:04:00,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 23:04:00,223 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:00,223 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:00,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 23:04:00,223 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:00,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:00,224 INFO L82 PathProgramCache]: Analyzing trace with hash -379618094, now seen corresponding path program 1 times [2020-10-21 23:04:00,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:00,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255206169] [2020-10-21 23:04:00,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:04:00,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255206169] [2020-10-21 23:04:00,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:00,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:04:00,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654927258] [2020-10-21 23:04:00,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:04:00,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:00,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:04:00,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:04:00,279 INFO L87 Difference]: Start difference. First operand 174 states and 430 transitions. Second operand 4 states. [2020-10-21 23:04:00,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:00,309 INFO L93 Difference]: Finished difference Result 218 states and 508 transitions. [2020-10-21 23:04:00,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:04:00,310 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-21 23:04:00,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:00,311 INFO L225 Difference]: With dead ends: 218 [2020-10-21 23:04:00,312 INFO L226 Difference]: Without dead ends: 166 [2020-10-21 23:04:00,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:04:00,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-21 23:04:00,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 150. [2020-10-21 23:04:00,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-10-21 23:04:00,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 350 transitions. [2020-10-21 23:04:00,320 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 350 transitions. Word has length 13 [2020-10-21 23:04:00,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:00,321 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 350 transitions. [2020-10-21 23:04:00,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:04:00,321 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 350 transitions. [2020-10-21 23:04:00,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 23:04:00,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:00,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:00,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:04:00,323 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:00,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:00,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1489790939, now seen corresponding path program 1 times [2020-10-21 23:04:00,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:00,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271816669] [2020-10-21 23:04:00,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:00,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:04:00,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271816669] [2020-10-21 23:04:00,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:00,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:04:00,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440988587] [2020-10-21 23:04:00,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:04:00,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:00,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:04:00,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:04:00,416 INFO L87 Difference]: Start difference. First operand 150 states and 350 transitions. Second operand 5 states. [2020-10-21 23:04:00,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:00,460 INFO L93 Difference]: Finished difference Result 172 states and 394 transitions. [2020-10-21 23:04:00,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:04:00,460 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-21 23:04:00,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:00,463 INFO L225 Difference]: With dead ends: 172 [2020-10-21 23:04:00,463 INFO L226 Difference]: Without dead ends: 90 [2020-10-21 23:04:00,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:04:00,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-21 23:04:00,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-10-21 23:04:00,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-21 23:04:00,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 194 transitions. [2020-10-21 23:04:00,473 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 194 transitions. Word has length 13 [2020-10-21 23:04:00,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:00,473 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 194 transitions. [2020-10-21 23:04:00,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:04:00,474 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 194 transitions. [2020-10-21 23:04:00,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:04:00,477 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:00,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:00,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:04:00,478 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:00,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:00,478 INFO L82 PathProgramCache]: Analyzing trace with hash 255451346, now seen corresponding path program 1 times [2020-10-21 23:04:00,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:00,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724097097] [2020-10-21 23:04:00,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:00,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:04:00,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724097097] [2020-10-21 23:04:00,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:00,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:04:00,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729559465] [2020-10-21 23:04:00,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:04:00,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:00,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:04:00,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:04:00,532 INFO L87 Difference]: Start difference. First operand 90 states and 194 transitions. Second operand 5 states. [2020-10-21 23:04:00,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:00,554 INFO L93 Difference]: Finished difference Result 82 states and 174 transitions. [2020-10-21 23:04:00,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:04:00,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-21 23:04:00,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:00,555 INFO L225 Difference]: With dead ends: 82 [2020-10-21 23:04:00,555 INFO L226 Difference]: Without dead ends: 0 [2020-10-21 23:04:00,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:04:00,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-21 23:04:00,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-21 23:04:00,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-21 23:04:00,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-21 23:04:00,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-10-21 23:04:00,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:00,557 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-21 23:04:00,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:04:00,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-21 23:04:00,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-21 23:04:00,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 23:04:00,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:04:00 BasicIcfg [2020-10-21 23:04:00,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:04:00,564 INFO L168 Benchmark]: Toolchain (without parser) took 4435.96 ms. Allocated memory was 139.5 MB in the beginning and 249.0 MB in the end (delta: 109.6 MB). Free memory was 100.7 MB in the beginning and 147.5 MB in the end (delta: -46.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 7.1 GB. [2020-10-21 23:04:00,564 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-21 23:04:00,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.93 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 99.8 MB in the beginning and 154.2 MB in the end (delta: -54.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-10-21 23:04:00,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.58 ms. Allocated memory is still 200.8 MB. Free memory was 154.2 MB in the beginning and 152.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 23:04:00,567 INFO L168 Benchmark]: Boogie Preprocessor took 26.29 ms. Allocated memory is still 200.8 MB. Free memory was 152.2 MB in the beginning and 151.3 MB in the end (delta: 984.2 kB). Peak memory consumption was 984.2 kB. Max. memory is 7.1 GB. [2020-10-21 23:04:00,568 INFO L168 Benchmark]: RCFGBuilder took 455.93 ms. Allocated memory is still 200.8 MB. Free memory was 151.3 MB in the beginning and 127.1 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-10-21 23:04:00,569 INFO L168 Benchmark]: TraceAbstraction took 3137.28 ms. Allocated memory was 200.8 MB in the beginning and 249.0 MB in the end (delta: 48.2 MB). Free memory was 126.1 MB in the beginning and 147.5 MB in the end (delta: -21.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2020-10-21 23:04:00,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 758.93 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 99.8 MB in the beginning and 154.2 MB in the end (delta: -54.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.58 ms. Allocated memory is still 200.8 MB. Free memory was 154.2 MB in the beginning and 152.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.29 ms. Allocated memory is still 200.8 MB. Free memory was 152.2 MB in the beginning and 151.3 MB in the end (delta: 984.2 kB). Peak memory consumption was 984.2 kB. Max. memory is 7.1 GB. * RCFGBuilder took 455.93 ms. Allocated memory is still 200.8 MB. Free memory was 151.3 MB in the beginning and 127.1 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3137.28 ms. Allocated memory was 200.8 MB in the beginning and 249.0 MB in the end (delta: 48.2 MB). Free memory was 126.1 MB in the beginning and 147.5 MB in the end (delta: -21.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 761 VarBasedMoverChecksPositive, 19 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 42 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.7s, 86 PlacesBefore, 32 PlacesAfterwards, 79 TransitionsBefore, 23 TransitionsAfterwards, 1440 CoEnabledTransitionPairs, 5 FixpointIterations, 18 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 70 TotalNumberOfCompositions, 2779 MoverChecksTotal - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 128 SDtfs, 147 SDslu, 185 SDs, 0 SdLazy, 104 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 2187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 correct! Received shutdown request...