/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/rfi002_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:05:43,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:05:43,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:05:43,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:05:43,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:05:43,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:05:43,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:05:43,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:05:43,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:05:43,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:05:43,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:05:43,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:05:43,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:05:43,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:05:43,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:05:43,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:05:43,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:05:43,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:05:43,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:05:43,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:05:43,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:05:43,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:05:43,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:05:43,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:05:43,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:05:43,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:05:43,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:05:43,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:05:43,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:05:43,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:05:43,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:05:43,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:05:43,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:05:43,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:05:43,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:05:43,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:05:43,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:05:43,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:05:43,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:05:43,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:05:43,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:05:43,899 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:05:43,941 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:05:43,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:05:43,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:05:43,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:05:43,945 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:05:43,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:05:43,945 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:05:43,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:05:43,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:05:43,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:05:43,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:05:43,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:05:43,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:05:43,948 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:05:43,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:05:43,949 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:05:43,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:05:43,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:05:43,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:05:43,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:05:43,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:05:43,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:05:43,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:05:43,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:05:43,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:05:43,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:05:43,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:05:43,951 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:05:43,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:05:44,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:05:44,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:05:44,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:05:44,277 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:05:44,279 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:05:44,280 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_pso.opt.i [2020-10-16 12:05:44,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/310497383/8e5214c184fe4bcb9df776a21c63c0fe/FLAG6cff4b73a [2020-10-16 12:05:44,895 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:05:44,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/rfi002_pso.opt.i [2020-10-16 12:05:44,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/310497383/8e5214c184fe4bcb9df776a21c63c0fe/FLAG6cff4b73a [2020-10-16 12:05:45,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/310497383/8e5214c184fe4bcb9df776a21c63c0fe [2020-10-16 12:05:45,171 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:05:45,173 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:05:45,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:05:45,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:05:45,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:05:45,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:05:45" (1/1) ... [2020-10-16 12:05:45,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ce8eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:45, skipping insertion in model container [2020-10-16 12:05:45,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:05:45" (1/1) ... [2020-10-16 12:05:45,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:05:45,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:05:45,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:05:45,818 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:05:45,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:05:45,988 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:05:45,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:45 WrapperNode [2020-10-16 12:05:45,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:05:45,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:05:45,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:05:45,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:05:46,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:45" (1/1) ... [2020-10-16 12:05:46,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:45" (1/1) ... [2020-10-16 12:05:46,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:05:46,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:05:46,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:05:46,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:05:46,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:45" (1/1) ... [2020-10-16 12:05:46,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:45" (1/1) ... [2020-10-16 12:05:46,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:45" (1/1) ... [2020-10-16 12:05:46,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:45" (1/1) ... [2020-10-16 12:05:46,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:45" (1/1) ... [2020-10-16 12:05:46,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:45" (1/1) ... [2020-10-16 12:05:46,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:45" (1/1) ... [2020-10-16 12:05:46,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:05:46,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:05:46,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:05:46,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:05:46,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 12:05:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:05:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:05:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:05:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:05:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:05:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:05:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:05:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:05:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:05:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:05:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:05:46,228 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:05:49,952 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:05:49,953 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:05:49,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:05:49 BoogieIcfgContainer [2020-10-16 12:05:49,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:05:49,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:05:49,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:05:49,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:05:49,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:05:45" (1/3) ... [2020-10-16 12:05:49,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cc5e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:05:49, skipping insertion in model container [2020-10-16 12:05:49,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:45" (2/3) ... [2020-10-16 12:05:49,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cc5e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:05:49, skipping insertion in model container [2020-10-16 12:05:49,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:05:49" (3/3) ... [2020-10-16 12:05:49,972 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_pso.opt.i [2020-10-16 12:05:49,991 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:05:49,991 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:05:50,003 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:05:50,005 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:05:50,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,074 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,074 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,078 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,078 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,078 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,078 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,078 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,078 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,078 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,093 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,094 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,094 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,094 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,095 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,136 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,213 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,215 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,221 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,221 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,229 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,231 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,232 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,232 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,232 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,232 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,234 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,234 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,234 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,234 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,236 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:50,243 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:05:50,266 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 12:05:50,299 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:05:50,300 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:05:50,300 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:05:50,300 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:05:50,300 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:05:50,301 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:05:50,301 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:05:50,301 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:05:50,330 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:05:50,330 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 80 transitions, 170 flow [2020-10-16 12:05:50,333 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 80 transitions, 170 flow [2020-10-16 12:05:50,336 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 170 flow [2020-10-16 12:05:50,399 INFO L129 PetriNetUnfolder]: 2/78 cut-off events. [2020-10-16 12:05:50,400 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:05:50,407 INFO L80 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 78 events. 2/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2020-10-16 12:05:50,413 INFO L117 LiptonReduction]: Number of co-enabled transitions 1088 [2020-10-16 12:05:50,692 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-10-16 12:05:51,178 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:05:51,686 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 12:05:51,809 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 12:05:53,183 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 231 DAG size of output: 191 [2020-10-16 12:05:53,225 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 2, 1] term [2020-10-16 12:05:53,226 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:05:53,231 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-16 12:05:53,232 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:05:53,974 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 111 [2020-10-16 12:05:55,088 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 234 DAG size of output: 194 [2020-10-16 12:05:55,123 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 2, 1] term [2020-10-16 12:05:55,124 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:05:55,126 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-16 12:05:55,126 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:05:56,159 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 151 DAG size of output: 121 [2020-10-16 12:05:56,792 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-16 12:05:57,143 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-16 12:05:57,387 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-16 12:05:57,491 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-16 12:05:57,511 INFO L132 LiptonReduction]: Checked pairs total: 3014 [2020-10-16 12:05:57,511 INFO L134 LiptonReduction]: Total number of compositions: 71 [2020-10-16 12:05:57,518 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 21 transitions, 52 flow [2020-10-16 12:05:57,562 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 224 states. [2020-10-16 12:05:57,565 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2020-10-16 12:05:57,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 12:05:57,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:57,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 12:05:57,573 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:57,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:57,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1584834182, now seen corresponding path program 1 times [2020-10-16 12:05:57,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:57,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574990352] [2020-10-16 12:05:57,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:57,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:57,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574990352] [2020-10-16 12:05:57,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:57,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:05:57,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912125989] [2020-10-16 12:05:57,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:57,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:57,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:57,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:57,889 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 3 states. [2020-10-16 12:05:57,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:57,997 INFO L93 Difference]: Finished difference Result 194 states and 468 transitions. [2020-10-16 12:05:57,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:57,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-16 12:05:58,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:58,013 INFO L225 Difference]: With dead ends: 194 [2020-10-16 12:05:58,013 INFO L226 Difference]: Without dead ends: 158 [2020-10-16 12:05:58,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:58,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-16 12:05:58,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-10-16 12:05:58,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-16 12:05:58,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 372 transitions. [2020-10-16 12:05:58,072 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 372 transitions. Word has length 5 [2020-10-16 12:05:58,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:58,073 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 372 transitions. [2020-10-16 12:05:58,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:58,073 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 372 transitions. [2020-10-16 12:05:58,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 12:05:58,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:58,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:58,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:05:58,075 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:58,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:58,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1687676777, now seen corresponding path program 1 times [2020-10-16 12:05:58,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:58,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374438539] [2020-10-16 12:05:58,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:58,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:58,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374438539] [2020-10-16 12:05:58,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:58,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:05:58,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574559160] [2020-10-16 12:05:58,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:58,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:58,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:58,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:58,217 INFO L87 Difference]: Start difference. First operand 158 states and 372 transitions. Second operand 3 states. [2020-10-16 12:05:58,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:58,231 INFO L93 Difference]: Finished difference Result 146 states and 338 transitions. [2020-10-16 12:05:58,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:58,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-16 12:05:58,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:58,234 INFO L225 Difference]: With dead ends: 146 [2020-10-16 12:05:58,234 INFO L226 Difference]: Without dead ends: 146 [2020-10-16 12:05:58,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:58,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-16 12:05:58,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-10-16 12:05:58,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-16 12:05:58,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 338 transitions. [2020-10-16 12:05:58,249 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 338 transitions. Word has length 7 [2020-10-16 12:05:58,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:58,250 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 338 transitions. [2020-10-16 12:05:58,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:58,250 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 338 transitions. [2020-10-16 12:05:58,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 12:05:58,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:58,251 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:58,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:05:58,252 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:58,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:58,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1640287693, now seen corresponding path program 1 times [2020-10-16 12:05:58,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:58,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486903419] [2020-10-16 12:05:58,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:58,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:58,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486903419] [2020-10-16 12:05:58,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:58,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:05:58,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169599910] [2020-10-16 12:05:58,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:58,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:58,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:58,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:58,356 INFO L87 Difference]: Start difference. First operand 146 states and 338 transitions. Second operand 3 states. [2020-10-16 12:05:58,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:58,369 INFO L93 Difference]: Finished difference Result 134 states and 305 transitions. [2020-10-16 12:05:58,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:58,370 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 12:05:58,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:58,372 INFO L225 Difference]: With dead ends: 134 [2020-10-16 12:05:58,372 INFO L226 Difference]: Without dead ends: 134 [2020-10-16 12:05:58,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:58,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-16 12:05:58,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-10-16 12:05:58,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-16 12:05:58,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 305 transitions. [2020-10-16 12:05:58,382 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 305 transitions. Word has length 9 [2020-10-16 12:05:58,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:58,383 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 305 transitions. [2020-10-16 12:05:58,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:58,383 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 305 transitions. [2020-10-16 12:05:58,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:05:58,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:58,384 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:58,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:05:58,385 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:58,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:58,385 INFO L82 PathProgramCache]: Analyzing trace with hash -2020937412, now seen corresponding path program 1 times [2020-10-16 12:05:58,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:58,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375812464] [2020-10-16 12:05:58,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:58,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375812464] [2020-10-16 12:05:58,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:58,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:05:58,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542135963] [2020-10-16 12:05:58,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:05:58,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:58,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:05:58,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:05:58,738 INFO L87 Difference]: Start difference. First operand 134 states and 305 transitions. Second operand 8 states. [2020-10-16 12:05:58,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:58,997 INFO L93 Difference]: Finished difference Result 164 states and 379 transitions. [2020-10-16 12:05:58,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:05:58,998 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-16 12:05:58,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:59,001 INFO L225 Difference]: With dead ends: 164 [2020-10-16 12:05:59,002 INFO L226 Difference]: Without dead ends: 164 [2020-10-16 12:05:59,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:05:59,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-16 12:05:59,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 152. [2020-10-16 12:05:59,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-10-16 12:05:59,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 347 transitions. [2020-10-16 12:05:59,014 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 347 transitions. Word has length 12 [2020-10-16 12:05:59,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:59,014 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 347 transitions. [2020-10-16 12:05:59,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:05:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 347 transitions. [2020-10-16 12:05:59,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:05:59,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:59,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:59,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:05:59,017 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:59,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:59,017 INFO L82 PathProgramCache]: Analyzing trace with hash -2063496646, now seen corresponding path program 2 times [2020-10-16 12:05:59,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:59,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428927299] [2020-10-16 12:05:59,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:59,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428927299] [2020-10-16 12:05:59,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:59,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:05:59,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499560056] [2020-10-16 12:05:59,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:05:59,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:59,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:05:59,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:05:59,211 INFO L87 Difference]: Start difference. First operand 152 states and 347 transitions. Second operand 8 states. [2020-10-16 12:05:59,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:59,447 INFO L93 Difference]: Finished difference Result 164 states and 379 transitions. [2020-10-16 12:05:59,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:05:59,450 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-16 12:05:59,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:59,451 INFO L225 Difference]: With dead ends: 164 [2020-10-16 12:05:59,451 INFO L226 Difference]: Without dead ends: 164 [2020-10-16 12:05:59,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:05:59,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-16 12:05:59,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 158. [2020-10-16 12:05:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-16 12:05:59,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 363 transitions. [2020-10-16 12:05:59,465 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 363 transitions. Word has length 12 [2020-10-16 12:05:59,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:59,466 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 363 transitions. [2020-10-16 12:05:59,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:05:59,466 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 363 transitions. [2020-10-16 12:05:59,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:05:59,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:59,468 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:59,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:05:59,468 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:59,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:59,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1640023526, now seen corresponding path program 3 times [2020-10-16 12:05:59,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:59,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577127209] [2020-10-16 12:05:59,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:59,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:59,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577127209] [2020-10-16 12:05:59,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:59,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:05:59,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895866219] [2020-10-16 12:05:59,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:05:59,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:59,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:05:59,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:05:59,622 INFO L87 Difference]: Start difference. First operand 158 states and 363 transitions. Second operand 6 states. [2020-10-16 12:05:59,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:59,807 INFO L93 Difference]: Finished difference Result 181 states and 418 transitions. [2020-10-16 12:05:59,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:05:59,815 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-10-16 12:05:59,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:59,817 INFO L225 Difference]: With dead ends: 181 [2020-10-16 12:05:59,817 INFO L226 Difference]: Without dead ends: 181 [2020-10-16 12:05:59,818 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:05:59,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-10-16 12:05:59,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 154. [2020-10-16 12:05:59,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-10-16 12:05:59,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 349 transitions. [2020-10-16 12:05:59,825 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 349 transitions. Word has length 12 [2020-10-16 12:05:59,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:59,825 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 349 transitions. [2020-10-16 12:05:59,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:05:59,826 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 349 transitions. [2020-10-16 12:05:59,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:05:59,827 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:59,827 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:59,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:05:59,828 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:59,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:59,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1775449093, now seen corresponding path program 1 times [2020-10-16 12:05:59,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:59,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932106417] [2020-10-16 12:05:59,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:59,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:59,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932106417] [2020-10-16 12:05:59,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:59,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:05:59,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048560035] [2020-10-16 12:05:59,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:05:59,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:59,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:05:59,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:05:59,947 INFO L87 Difference]: Start difference. First operand 154 states and 349 transitions. Second operand 5 states. [2020-10-16 12:06:00,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:00,119 INFO L93 Difference]: Finished difference Result 170 states and 383 transitions. [2020-10-16 12:06:00,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:06:00,123 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-16 12:06:00,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:00,125 INFO L225 Difference]: With dead ends: 170 [2020-10-16 12:06:00,125 INFO L226 Difference]: Without dead ends: 170 [2020-10-16 12:06:00,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:06:00,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-10-16 12:06:00,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 156. [2020-10-16 12:06:00,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-10-16 12:06:00,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 351 transitions. [2020-10-16 12:06:00,132 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 351 transitions. Word has length 13 [2020-10-16 12:06:00,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:00,133 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 351 transitions. [2020-10-16 12:06:00,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:06:00,133 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 351 transitions. [2020-10-16 12:06:00,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:06:00,134 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:00,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:00,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:06:00,135 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:00,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:00,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1775448814, now seen corresponding path program 1 times [2020-10-16 12:06:00,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:00,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137345940] [2020-10-16 12:06:00,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:00,660 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2020-10-16 12:06:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:00,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137345940] [2020-10-16 12:06:00,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:00,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:06:00,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324143174] [2020-10-16 12:06:00,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:06:00,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:00,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:06:00,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:06:00,749 INFO L87 Difference]: Start difference. First operand 156 states and 351 transitions. Second operand 7 states. [2020-10-16 12:06:01,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:01,002 INFO L93 Difference]: Finished difference Result 174 states and 393 transitions. [2020-10-16 12:06:01,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:06:01,003 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-10-16 12:06:01,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:01,004 INFO L225 Difference]: With dead ends: 174 [2020-10-16 12:06:01,004 INFO L226 Difference]: Without dead ends: 174 [2020-10-16 12:06:01,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:06:01,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-10-16 12:06:01,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 162. [2020-10-16 12:06:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-16 12:06:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 367 transitions. [2020-10-16 12:06:01,011 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 367 transitions. Word has length 13 [2020-10-16 12:06:01,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:01,012 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 367 transitions. [2020-10-16 12:06:01,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:06:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 367 transitions. [2020-10-16 12:06:01,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:06:01,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:01,013 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:01,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:06:01,013 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:01,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:01,014 INFO L82 PathProgramCache]: Analyzing trace with hash 456112560, now seen corresponding path program 2 times [2020-10-16 12:06:01,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:01,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276405664] [2020-10-16 12:06:01,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:01,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:01,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276405664] [2020-10-16 12:06:01,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:01,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:06:01,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901268167] [2020-10-16 12:06:01,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:06:01,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:01,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:06:01,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:06:01,205 INFO L87 Difference]: Start difference. First operand 162 states and 367 transitions. Second operand 6 states. [2020-10-16 12:06:01,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:01,539 INFO L93 Difference]: Finished difference Result 162 states and 366 transitions. [2020-10-16 12:06:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:06:01,542 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-16 12:06:01,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:01,543 INFO L225 Difference]: With dead ends: 162 [2020-10-16 12:06:01,543 INFO L226 Difference]: Without dead ends: 162 [2020-10-16 12:06:01,544 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:06:01,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-16 12:06:01,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 142. [2020-10-16 12:06:01,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-16 12:06:01,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 320 transitions. [2020-10-16 12:06:01,550 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 320 transitions. Word has length 13 [2020-10-16 12:06:01,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:01,550 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 320 transitions. [2020-10-16 12:06:01,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:06:01,551 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 320 transitions. [2020-10-16 12:06:01,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:06:01,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:01,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:01,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:06:01,552 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:01,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:01,552 INFO L82 PathProgramCache]: Analyzing trace with hash -795653509, now seen corresponding path program 1 times [2020-10-16 12:06:01,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:01,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288418955] [2020-10-16 12:06:01,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:01,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288418955] [2020-10-16 12:06:01,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:01,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:06:01,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399607584] [2020-10-16 12:06:01,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:06:01,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:01,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:06:01,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:06:01,658 INFO L87 Difference]: Start difference. First operand 142 states and 320 transitions. Second operand 5 states. [2020-10-16 12:06:01,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:01,756 INFO L93 Difference]: Finished difference Result 214 states and 479 transitions. [2020-10-16 12:06:01,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:06:01,757 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-16 12:06:01,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:01,759 INFO L225 Difference]: With dead ends: 214 [2020-10-16 12:06:01,760 INFO L226 Difference]: Without dead ends: 126 [2020-10-16 12:06:01,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:06:01,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-16 12:06:01,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-10-16 12:06:01,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-16 12:06:01,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 274 transitions. [2020-10-16 12:06:01,766 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 274 transitions. Word has length 14 [2020-10-16 12:06:01,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:01,766 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 274 transitions. [2020-10-16 12:06:01,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:06:01,767 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 274 transitions. [2020-10-16 12:06:01,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:06:01,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:01,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:01,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:06:01,768 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:01,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:01,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1254595577, now seen corresponding path program 2 times [2020-10-16 12:06:01,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:01,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697123689] [2020-10-16 12:06:01,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:01,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:01,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697123689] [2020-10-16 12:06:01,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:01,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:06:01,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516719276] [2020-10-16 12:06:01,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:06:01,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:01,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:06:01,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:06:01,905 INFO L87 Difference]: Start difference. First operand 126 states and 274 transitions. Second operand 6 states. [2020-10-16 12:06:02,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:02,178 INFO L93 Difference]: Finished difference Result 153 states and 328 transitions. [2020-10-16 12:06:02,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:06:02,180 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-16 12:06:02,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:02,181 INFO L225 Difference]: With dead ends: 153 [2020-10-16 12:06:02,181 INFO L226 Difference]: Without dead ends: 126 [2020-10-16 12:06:02,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:06:02,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-16 12:06:02,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 120. [2020-10-16 12:06:02,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-16 12:06:02,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 258 transitions. [2020-10-16 12:06:02,186 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 258 transitions. Word has length 14 [2020-10-16 12:06:02,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:02,187 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 258 transitions. [2020-10-16 12:06:02,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:06:02,187 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 258 transitions. [2020-10-16 12:06:02,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:06:02,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:02,188 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:02,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:06:02,188 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:02,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:02,189 INFO L82 PathProgramCache]: Analyzing trace with hash 190659077, now seen corresponding path program 3 times [2020-10-16 12:06:02,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:02,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988448383] [2020-10-16 12:06:02,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:02,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:02,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988448383] [2020-10-16 12:06:02,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:02,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:06:02,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529968766] [2020-10-16 12:06:02,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:06:02,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:02,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:06:02,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:06:02,342 INFO L87 Difference]: Start difference. First operand 120 states and 258 transitions. Second operand 7 states. [2020-10-16 12:06:02,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:02,636 INFO L93 Difference]: Finished difference Result 140 states and 291 transitions. [2020-10-16 12:06:02,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:06:02,637 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-16 12:06:02,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:02,639 INFO L225 Difference]: With dead ends: 140 [2020-10-16 12:06:02,639 INFO L226 Difference]: Without dead ends: 113 [2020-10-16 12:06:02,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:06:02,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-16 12:06:02,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2020-10-16 12:06:02,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-16 12:06:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 231 transitions. [2020-10-16 12:06:02,644 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 231 transitions. Word has length 14 [2020-10-16 12:06:02,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:02,645 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 231 transitions. [2020-10-16 12:06:02,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:06:02,645 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 231 transitions. [2020-10-16 12:06:02,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:06:02,646 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:02,646 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:02,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:06:02,647 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:02,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:02,648 INFO L82 PathProgramCache]: Analyzing trace with hash 606422863, now seen corresponding path program 4 times [2020-10-16 12:06:02,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:02,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747890450] [2020-10-16 12:06:02,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:02,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:02,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747890450] [2020-10-16 12:06:02,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:02,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:06:02,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732377530] [2020-10-16 12:06:02,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:06:02,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:02,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:06:02,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:06:02,861 INFO L87 Difference]: Start difference. First operand 111 states and 231 transitions. Second operand 8 states. [2020-10-16 12:06:03,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:03,244 INFO L93 Difference]: Finished difference Result 183 states and 378 transitions. [2020-10-16 12:06:03,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 12:06:03,245 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-10-16 12:06:03,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:03,247 INFO L225 Difference]: With dead ends: 183 [2020-10-16 12:06:03,247 INFO L226 Difference]: Without dead ends: 114 [2020-10-16 12:06:03,247 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:06:03,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-16 12:06:03,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2020-10-16 12:06:03,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-16 12:06:03,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 230 transitions. [2020-10-16 12:06:03,253 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 230 transitions. Word has length 14 [2020-10-16 12:06:03,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:03,253 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 230 transitions. [2020-10-16 12:06:03,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:06:03,254 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 230 transitions. [2020-10-16 12:06:03,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:06:03,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:03,255 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:03,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 12:06:03,255 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:03,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:03,255 INFO L82 PathProgramCache]: Analyzing trace with hash -946107925, now seen corresponding path program 5 times [2020-10-16 12:06:03,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:03,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219434751] [2020-10-16 12:06:03,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:03,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:03,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219434751] [2020-10-16 12:06:03,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:03,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:06:03,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484303733] [2020-10-16 12:06:03,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:06:03,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:03,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:06:03,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:06:03,460 INFO L87 Difference]: Start difference. First operand 112 states and 230 transitions. Second operand 7 states. [2020-10-16 12:06:03,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:03,934 INFO L93 Difference]: Finished difference Result 153 states and 306 transitions. [2020-10-16 12:06:03,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 12:06:03,935 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-16 12:06:03,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:03,935 INFO L225 Difference]: With dead ends: 153 [2020-10-16 12:06:03,936 INFO L226 Difference]: Without dead ends: 78 [2020-10-16 12:06:03,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:06:03,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-16 12:06:03,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-10-16 12:06:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-16 12:06:03,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 148 transitions. [2020-10-16 12:06:03,940 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 148 transitions. Word has length 14 [2020-10-16 12:06:03,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:03,941 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 148 transitions. [2020-10-16 12:06:03,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:06:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 148 transitions. [2020-10-16 12:06:03,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:06:03,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:03,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:03,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 12:06:03,942 INFO L429 AbstractCegarLoop]: === Iteration 15 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:03,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:03,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1104275373, now seen corresponding path program 1 times [2020-10-16 12:06:03,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:03,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51259364] [2020-10-16 12:06:03,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:04,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:04,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51259364] [2020-10-16 12:06:04,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:04,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:06:04,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789150380] [2020-10-16 12:06:04,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:06:04,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:04,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:06:04,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:06:04,182 INFO L87 Difference]: Start difference. First operand 78 states and 148 transitions. Second operand 6 states. [2020-10-16 12:06:04,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:04,368 INFO L93 Difference]: Finished difference Result 118 states and 226 transitions. [2020-10-16 12:06:04,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:06:04,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-16 12:06:04,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:04,371 INFO L225 Difference]: With dead ends: 118 [2020-10-16 12:06:04,372 INFO L226 Difference]: Without dead ends: 86 [2020-10-16 12:06:04,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:06:04,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-16 12:06:04,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82. [2020-10-16 12:06:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-16 12:06:04,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 158 transitions. [2020-10-16 12:06:04,379 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 158 transitions. Word has length 15 [2020-10-16 12:06:04,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:04,379 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 158 transitions. [2020-10-16 12:06:04,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:06:04,379 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 158 transitions. [2020-10-16 12:06:04,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:06:04,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:04,380 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:04,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 12:06:04,380 INFO L429 AbstractCegarLoop]: === Iteration 16 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:04,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:04,381 INFO L82 PathProgramCache]: Analyzing trace with hash 13027521, now seen corresponding path program 2 times [2020-10-16 12:06:04,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:04,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228933116] [2020-10-16 12:06:04,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:04,659 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2020-10-16 12:06:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:04,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228933116] [2020-10-16 12:06:04,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:04,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:06:04,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940978883] [2020-10-16 12:06:04,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:06:04,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:04,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:06:04,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:06:04,749 INFO L87 Difference]: Start difference. First operand 82 states and 158 transitions. Second operand 7 states. [2020-10-16 12:06:04,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:04,972 INFO L93 Difference]: Finished difference Result 94 states and 174 transitions. [2020-10-16 12:06:04,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:06:04,973 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-10-16 12:06:04,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:04,974 INFO L225 Difference]: With dead ends: 94 [2020-10-16 12:06:04,974 INFO L226 Difference]: Without dead ends: 68 [2020-10-16 12:06:04,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:06:04,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-16 12:06:04,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-10-16 12:06:04,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-16 12:06:04,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 125 transitions. [2020-10-16 12:06:04,980 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 125 transitions. Word has length 15 [2020-10-16 12:06:04,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:04,980 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 125 transitions. [2020-10-16 12:06:04,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:06:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2020-10-16 12:06:04,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:06:04,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:04,981 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:04,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-16 12:06:04,982 INFO L429 AbstractCegarLoop]: === Iteration 17 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:04,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:04,982 INFO L82 PathProgramCache]: Analyzing trace with hash 237487599, now seen corresponding path program 3 times [2020-10-16 12:06:04,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:04,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979398989] [2020-10-16 12:06:04,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:05,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:05,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979398989] [2020-10-16 12:06:05,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:05,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:06:05,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49269917] [2020-10-16 12:06:05,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:06:05,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:05,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:06:05,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:06:05,181 INFO L87 Difference]: Start difference. First operand 66 states and 125 transitions. Second operand 6 states. [2020-10-16 12:06:05,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:05,402 INFO L93 Difference]: Finished difference Result 84 states and 150 transitions. [2020-10-16 12:06:05,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:06:05,404 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-16 12:06:05,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:05,404 INFO L225 Difference]: With dead ends: 84 [2020-10-16 12:06:05,405 INFO L226 Difference]: Without dead ends: 53 [2020-10-16 12:06:05,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:06:05,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-16 12:06:05,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2020-10-16 12:06:05,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-16 12:06:05,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 89 transitions. [2020-10-16 12:06:05,409 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 89 transitions. Word has length 15 [2020-10-16 12:06:05,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:05,409 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 89 transitions. [2020-10-16 12:06:05,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:06:05,410 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2020-10-16 12:06:05,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:06:05,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:05,411 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:05,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-16 12:06:05,411 INFO L429 AbstractCegarLoop]: === Iteration 18 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:05,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:05,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1420796861, now seen corresponding path program 4 times [2020-10-16 12:06:05,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:05,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856268507] [2020-10-16 12:06:05,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:05,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856268507] [2020-10-16 12:06:05,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:05,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:06:05,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349568405] [2020-10-16 12:06:05,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:06:05,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:05,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:06:05,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:06:05,779 INFO L87 Difference]: Start difference. First operand 51 states and 89 transitions. Second operand 8 states. [2020-10-16 12:06:06,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:06,057 INFO L93 Difference]: Finished difference Result 49 states and 84 transitions. [2020-10-16 12:06:06,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:06:06,057 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-10-16 12:06:06,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:06,058 INFO L225 Difference]: With dead ends: 49 [2020-10-16 12:06:06,058 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 12:06:06,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:06:06,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 12:06:06,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 12:06:06,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 12:06:06,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 12:06:06,059 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-10-16 12:06:06,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:06,059 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 12:06:06,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:06:06,060 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 12:06:06,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 12:06:06,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-16 12:06:06,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:06:06 BasicIcfg [2020-10-16 12:06:06,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:06:06,065 INFO L168 Benchmark]: Toolchain (without parser) took 20893.39 ms. Allocated memory was 138.9 MB in the beginning and 458.2 MB in the end (delta: 319.3 MB). Free memory was 100.6 MB in the beginning and 392.2 MB in the end (delta: -291.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:06:06,066 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-16 12:06:06,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 812.47 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 100.2 MB in the beginning and 152.7 MB in the end (delta: -52.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:06:06,067 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.04 ms. Allocated memory is still 201.3 MB. Free memory was 152.7 MB in the beginning and 148.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:06:06,068 INFO L168 Benchmark]: Boogie Preprocessor took 74.12 ms. Allocated memory is still 201.3 MB. Free memory was 148.7 MB in the beginning and 145.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-16 12:06:06,068 INFO L168 Benchmark]: RCFGBuilder took 3813.92 ms. Allocated memory was 201.3 MB in the beginning and 249.0 MB in the end (delta: 47.7 MB). Free memory was 145.8 MB in the beginning and 98.9 MB in the end (delta: 46.9 MB). Peak memory consumption was 109.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:06:06,069 INFO L168 Benchmark]: TraceAbstraction took 16104.99 ms. Allocated memory was 249.0 MB in the beginning and 458.2 MB in the end (delta: 209.2 MB). Free memory was 98.9 MB in the beginning and 392.2 MB in the end (delta: -293.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:06:06,072 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 812.47 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 100.2 MB in the beginning and 152.7 MB in the end (delta: -52.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 78.04 ms. Allocated memory is still 201.3 MB. Free memory was 152.7 MB in the beginning and 148.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 74.12 ms. Allocated memory is still 201.3 MB. Free memory was 148.7 MB in the beginning and 145.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3813.92 ms. Allocated memory was 201.3 MB in the beginning and 249.0 MB in the end (delta: 47.7 MB). Free memory was 145.8 MB in the beginning and 98.9 MB in the end (delta: 46.9 MB). Peak memory consumption was 109.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16104.99 ms. Allocated memory was 249.0 MB in the beginning and 458.2 MB in the end (delta: 209.2 MB). Free memory was 98.9 MB in the beginning and 392.2 MB in the end (delta: -293.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 563 VarBasedMoverChecksPositive, 32 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 31 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.1s, 85 PlacesBefore, 28 PlacesAfterwards, 80 TransitionsBefore, 21 TransitionsAfterwards, 1088 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 71 TotalNumberOfCompositions, 3014 MoverChecksTotal - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 79 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.7s, OverallIterations: 18, TraceHistogramMax: 1, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.2s, HoareTripleCheckerStatistics: 262 SDtfs, 337 SDslu, 472 SDs, 0 SdLazy, 884 SolverSat, 297 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 13 SyntacticMatches, 5 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred 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, 18 MinimizatonAttempts, 109 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 208 ConstructedInterpolants, 0 QuantifiedInterpolants, 28956 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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...