/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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix042_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 11:41:05,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 11:41:05,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 11:41:05,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 11:41:05,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 11:41:05,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 11:41:05,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 11:41:05,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 11:41:05,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 11:41:05,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 11:41:05,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 11:41:05,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 11:41:05,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 11:41:05,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 11:41:05,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 11:41:05,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 11:41:05,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 11:41:05,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 11:41:05,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 11:41:05,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 11:41:05,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 11:41:05,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 11:41:05,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 11:41:05,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 11:41:05,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 11:41:05,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 11:41:05,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 11:41:05,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 11:41:05,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 11:41:05,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 11:41:05,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 11:41:05,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 11:41:05,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 11:41:05,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 11:41:05,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 11:41:05,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 11:41:05,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 11:41:05,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 11:41:05,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 11:41:05,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 11:41:05,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 11:41:05,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-27 11:41:05,926 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 11:41:05,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 11:41:05,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 11:41:05,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 11:41:05,928 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 11:41:05,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 11:41:05,928 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 11:41:05,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 11:41:05,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 11:41:05,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 11:41:05,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 11:41:05,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 11:41:05,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 11:41:05,930 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 11:41:05,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 11:41:05,931 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 11:41:05,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 11:41:05,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 11:41:05,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 11:41:05,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 11:41:05,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 11:41:05,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 11:41:05,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 11:41:05,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 11:41:05,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 11:41:05,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 11:41:05,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 11:41:05,934 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 11:41:05,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 11:41:05,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 11:41:06,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 11:41:06,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 11:41:06,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 11:41:06,252 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 11:41:06,252 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 11:41:06,253 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix042_rmo.opt.i [2019-12-27 11:41:06,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7698e7da3/bb0892dcaae24c0c85885cf0434fa111/FLAG2a530e5a6 [2019-12-27 11:41:06,895 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 11:41:06,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042_rmo.opt.i [2019-12-27 11:41:06,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7698e7da3/bb0892dcaae24c0c85885cf0434fa111/FLAG2a530e5a6 [2019-12-27 11:41:07,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7698e7da3/bb0892dcaae24c0c85885cf0434fa111 [2019-12-27 11:41:07,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 11:41:07,177 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 11:41:07,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 11:41:07,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 11:41:07,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 11:41:07,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:41:07" (1/1) ... [2019-12-27 11:41:07,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc7de13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:07, skipping insertion in model container [2019-12-27 11:41:07,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:41:07" (1/1) ... [2019-12-27 11:41:07,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 11:41:07,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 11:41:07,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 11:41:07,754 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 11:41:07,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 11:41:07,944 INFO L208 MainTranslator]: Completed translation [2019-12-27 11:41:07,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:07 WrapperNode [2019-12-27 11:41:07,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 11:41:07,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 11:41:07,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 11:41:07,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 11:41:07,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:07" (1/1) ... [2019-12-27 11:41:07,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:07" (1/1) ... [2019-12-27 11:41:08,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 11:41:08,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 11:41:08,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 11:41:08,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 11:41:08,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:07" (1/1) ... [2019-12-27 11:41:08,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:07" (1/1) ... [2019-12-27 11:41:08,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:07" (1/1) ... [2019-12-27 11:41:08,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:07" (1/1) ... [2019-12-27 11:41:08,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:07" (1/1) ... [2019-12-27 11:41:08,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:07" (1/1) ... [2019-12-27 11:41:08,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:07" (1/1) ... [2019-12-27 11:41:08,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 11:41:08,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 11:41:08,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 11:41:08,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 11:41:08,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 11:41:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 11:41:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 11:41:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 11:41:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 11:41:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 11:41:08,141 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 11:41:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 11:41:08,142 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 11:41:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 11:41:08,142 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 11:41:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 11:41:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 11:41:08,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 11:41:08,147 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 11:41:08,989 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 11:41:08,990 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-27 11:41:08,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:41:08 BoogieIcfgContainer [2019-12-27 11:41:08,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 11:41:08,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 11:41:08,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 11:41:08,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 11:41:08,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 11:41:07" (1/3) ... [2019-12-27 11:41:09,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76637343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:41:08, skipping insertion in model container [2019-12-27 11:41:09,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:07" (2/3) ... [2019-12-27 11:41:09,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76637343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:41:09, skipping insertion in model container [2019-12-27 11:41:09,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:41:08" (3/3) ... [2019-12-27 11:41:09,006 INFO L109 eAbstractionObserver]: Analyzing ICFG mix042_rmo.opt.i [2019-12-27 11:41:09,014 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 11:41:09,014 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 11:41:09,022 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 11:41:09,022 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 11:41:09,058 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,059 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,059 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,059 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,060 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,060 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,061 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,061 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,061 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,062 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,062 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,062 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,062 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,063 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,063 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,063 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,064 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,064 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,064 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,065 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,065 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,065 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,065 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,066 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,066 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,066 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,067 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,067 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,067 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,068 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,068 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,068 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,068 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,069 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,069 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,069 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,070 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,070 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,071 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,071 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,071 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,071 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,072 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,072 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,072 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,073 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,073 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,073 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,073 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,074 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,074 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,074 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,074 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,075 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,075 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,075 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,075 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,076 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,076 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,076 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,076 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,077 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,077 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,077 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,077 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,078 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,078 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,078 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,078 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,079 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,083 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,083 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,083 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,084 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,084 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,084 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,084 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,085 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,085 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,085 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,088 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,089 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,089 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,089 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,090 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,090 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,090 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,090 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,091 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,091 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,091 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,091 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,118 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,118 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,118 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,119 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:41:09,137 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 11:41:09,160 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 11:41:09,160 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 11:41:09,160 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 11:41:09,160 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 11:41:09,161 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 11:41:09,165 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 11:41:09,166 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 11:41:09,166 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 11:41:09,190 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 165 places, 196 transitions [2019-12-27 11:41:23,021 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92468 states. [2019-12-27 11:41:23,023 INFO L276 IsEmpty]: Start isEmpty. Operand 92468 states. [2019-12-27 11:41:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-27 11:41:23,038 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:41:23,039 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:41:23,040 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:41:23,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:41:23,046 INFO L82 PathProgramCache]: Analyzing trace with hash 2022116044, now seen corresponding path program 1 times [2019-12-27 11:41:23,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:41:23,057 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383388840] [2019-12-27 11:41:23,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:41:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:41:23,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 11:41:23,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383388840] [2019-12-27 11:41:23,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:41:23,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 11:41:23,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382057635] [2019-12-27 11:41:23,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 11:41:23,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:41:23,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 11:41:23,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 11:41:23,431 INFO L87 Difference]: Start difference. First operand 92468 states. Second operand 4 states. [2019-12-27 11:41:26,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:41:26,995 INFO L93 Difference]: Finished difference Result 96404 states and 448740 transitions. [2019-12-27 11:41:26,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 11:41:26,998 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-12-27 11:41:26,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:41:27,716 INFO L225 Difference]: With dead ends: 96404 [2019-12-27 11:41:27,716 INFO L226 Difference]: Without dead ends: 85524 [2019-12-27 11:41:27,720 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 11:41:29,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85524 states. [2019-12-27 11:41:33,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85524 to 85524. [2019-12-27 11:41:33,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85524 states. [2019-12-27 11:41:33,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85524 states to 85524 states and 400700 transitions. [2019-12-27 11:41:33,621 INFO L78 Accepts]: Start accepts. Automaton has 85524 states and 400700 transitions. Word has length 47 [2019-12-27 11:41:33,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:41:33,623 INFO L462 AbstractCegarLoop]: Abstraction has 85524 states and 400700 transitions. [2019-12-27 11:41:33,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 11:41:33,623 INFO L276 IsEmpty]: Start isEmpty. Operand 85524 states and 400700 transitions. [2019-12-27 11:41:33,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-27 11:41:33,635 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:41:33,635 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:41:33,635 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:41:33,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:41:33,636 INFO L82 PathProgramCache]: Analyzing trace with hash 284606610, now seen corresponding path program 1 times [2019-12-27 11:41:33,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:41:33,636 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444650100] [2019-12-27 11:41:33,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:41:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:41:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 11:41:33,767 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444650100] [2019-12-27 11:41:33,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:41:33,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 11:41:33,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298105689] [2019-12-27 11:41:33,770 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 11:41:33,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:41:33,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 11:41:33,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 11:41:33,771 INFO L87 Difference]: Start difference. First operand 85524 states and 400700 transitions. Second operand 5 states. [2019-12-27 11:41:38,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:41:38,087 INFO L93 Difference]: Finished difference Result 139652 states and 623536 transitions. [2019-12-27 11:41:38,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 11:41:38,089 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-12-27 11:41:38,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:41:39,218 INFO L225 Difference]: With dead ends: 139652 [2019-12-27 11:41:39,218 INFO L226 Difference]: Without dead ends: 138932 [2019-12-27 11:41:39,219 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-27 11:41:40,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138932 states. [2019-12-27 11:41:45,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138932 to 132788. [2019-12-27 11:41:45,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132788 states. [2019-12-27 11:41:52,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132788 states to 132788 states and 597164 transitions. [2019-12-27 11:41:52,064 INFO L78 Accepts]: Start accepts. Automaton has 132788 states and 597164 transitions. Word has length 54 [2019-12-27 11:41:52,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:41:52,064 INFO L462 AbstractCegarLoop]: Abstraction has 132788 states and 597164 transitions. [2019-12-27 11:41:52,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 11:41:52,065 INFO L276 IsEmpty]: Start isEmpty. Operand 132788 states and 597164 transitions. [2019-12-27 11:41:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-27 11:41:52,076 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:41:52,076 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:41:52,077 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:41:52,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:41:52,077 INFO L82 PathProgramCache]: Analyzing trace with hash 800559772, now seen corresponding path program 1 times [2019-12-27 11:41:52,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:41:52,078 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989082675] [2019-12-27 11:41:52,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:41:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:41:52,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 11:41:52,244 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989082675] [2019-12-27 11:41:52,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:41:52,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 11:41:52,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174460776] [2019-12-27 11:41:52,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 11:41:52,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:41:52,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 11:41:52,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 11:41:52,246 INFO L87 Difference]: Start difference. First operand 132788 states and 597164 transitions. Second operand 5 states. [2019-12-27 11:41:53,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:41:53,481 INFO L93 Difference]: Finished difference Result 161556 states and 717784 transitions. [2019-12-27 11:41:53,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 11:41:53,482 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2019-12-27 11:41:53,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:41:55,296 INFO L225 Difference]: With dead ends: 161556 [2019-12-27 11:41:55,296 INFO L226 Difference]: Without dead ends: 160756 [2019-12-27 11:41:55,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-27 11:41:56,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160756 states. [2019-12-27 11:42:03,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160756 to 139080. [2019-12-27 11:42:03,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139080 states. [2019-12-27 11:42:04,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139080 states to 139080 states and 623067 transitions. [2019-12-27 11:42:04,056 INFO L78 Accepts]: Start accepts. Automaton has 139080 states and 623067 transitions. Word has length 55 [2019-12-27 11:42:04,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:42:04,057 INFO L462 AbstractCegarLoop]: Abstraction has 139080 states and 623067 transitions. [2019-12-27 11:42:04,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 11:42:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 139080 states and 623067 transitions. [2019-12-27 11:42:04,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-27 11:42:04,111 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:42:04,112 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:42:04,112 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:42:04,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:42:04,112 INFO L82 PathProgramCache]: Analyzing trace with hash 157601474, now seen corresponding path program 1 times [2019-12-27 11:42:04,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:42:04,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098250905] [2019-12-27 11:42:04,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:42:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:42:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 11:42:04,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098250905] [2019-12-27 11:42:04,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:42:04,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 11:42:04,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157852472] [2019-12-27 11:42:04,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 11:42:04,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:42:04,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 11:42:04,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-27 11:42:04,245 INFO L87 Difference]: Start difference. First operand 139080 states and 623067 transitions. Second operand 6 states. [2019-12-27 11:42:06,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:42:06,921 INFO L93 Difference]: Finished difference Result 183584 states and 805093 transitions. [2019-12-27 11:42:06,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-27 11:42:06,922 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-12-27 11:42:06,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:42:14,229 INFO L225 Difference]: With dead ends: 183584 [2019-12-27 11:42:14,229 INFO L226 Difference]: Without dead ends: 182864 [2019-12-27 11:42:14,229 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-12-27 11:42:15,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182864 states. [2019-12-27 11:42:17,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182864 to 134932. [2019-12-27 11:42:17,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134932 states. [2019-12-27 11:42:18,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134932 states to 134932 states and 604576 transitions. [2019-12-27 11:42:18,123 INFO L78 Accepts]: Start accepts. Automaton has 134932 states and 604576 transitions. Word has length 62 [2019-12-27 11:42:18,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:42:18,123 INFO L462 AbstractCegarLoop]: Abstraction has 134932 states and 604576 transitions. [2019-12-27 11:42:18,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 11:42:18,124 INFO L276 IsEmpty]: Start isEmpty. Operand 134932 states and 604576 transitions. [2019-12-27 11:42:18,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-27 11:42:18,207 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:42:18,208 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:42:18,208 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:42:18,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:42:18,208 INFO L82 PathProgramCache]: Analyzing trace with hash -645603360, now seen corresponding path program 1 times [2019-12-27 11:42:18,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:42:18,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051058610] [2019-12-27 11:42:18,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:42:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:42:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 11:42:18,335 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051058610] [2019-12-27 11:42:18,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:42:18,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 11:42:18,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410803019] [2019-12-27 11:42:18,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 11:42:18,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:42:18,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 11:42:18,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-27 11:42:18,339 INFO L87 Difference]: Start difference. First operand 134932 states and 604576 transitions. Second operand 6 states. [2019-12-27 11:42:20,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:42:20,733 INFO L93 Difference]: Finished difference Result 185116 states and 812730 transitions. [2019-12-27 11:42:20,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-27 11:42:20,733 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2019-12-27 11:42:20,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:42:22,880 INFO L225 Difference]: With dead ends: 185116 [2019-12-27 11:42:22,880 INFO L226 Difference]: Without dead ends: 183916 [2019-12-27 11:42:22,881 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-12-27 11:42:23,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183916 states. [2019-12-27 11:42:33,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183916 to 160432. [2019-12-27 11:42:33,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160432 states. [2019-12-27 11:42:33,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160432 states to 160432 states and 711517 transitions. [2019-12-27 11:42:33,726 INFO L78 Accepts]: Start accepts. Automaton has 160432 states and 711517 transitions. Word has length 69 [2019-12-27 11:42:33,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:42:33,726 INFO L462 AbstractCegarLoop]: Abstraction has 160432 states and 711517 transitions. [2019-12-27 11:42:33,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 11:42:33,727 INFO L276 IsEmpty]: Start isEmpty. Operand 160432 states and 711517 transitions. [2019-12-27 11:42:33,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-27 11:42:33,829 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:42:33,829 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:42:33,829 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:42:33,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:42:33,830 INFO L82 PathProgramCache]: Analyzing trace with hash -863372556, now seen corresponding path program 1 times [2019-12-27 11:42:33,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:42:33,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058837674] [2019-12-27 11:42:33,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:42:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:42:33,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 11:42:33,900 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058837674] [2019-12-27 11:42:33,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:42:33,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 11:42:33,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102801811] [2019-12-27 11:42:33,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 11:42:33,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:42:33,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 11:42:33,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 11:42:33,903 INFO L87 Difference]: Start difference. First operand 160432 states and 711517 transitions. Second operand 3 states. [2019-12-27 11:42:36,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:42:36,322 INFO L93 Difference]: Finished difference Result 202240 states and 884077 transitions. [2019-12-27 11:42:36,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 11:42:36,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2019-12-27 11:42:36,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:42:44,039 INFO L225 Difference]: With dead ends: 202240 [2019-12-27 11:42:44,039 INFO L226 Difference]: Without dead ends: 202240 [2019-12-27 11:42:44,040 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 11:42:45,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202240 states. [2019-12-27 11:42:48,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202240 to 176152. [2019-12-27 11:42:48,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176152 states. [2019-12-27 11:42:49,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176152 states to 176152 states and 777059 transitions. [2019-12-27 11:42:49,724 INFO L78 Accepts]: Start accepts. Automaton has 176152 states and 777059 transitions. Word has length 71 [2019-12-27 11:42:49,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:42:49,724 INFO L462 AbstractCegarLoop]: Abstraction has 176152 states and 777059 transitions. [2019-12-27 11:42:49,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 11:42:49,724 INFO L276 IsEmpty]: Start isEmpty. Operand 176152 states and 777059 transitions. [2019-12-27 11:42:49,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-27 11:42:49,899 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:42:49,899 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:42:49,899 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:42:49,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:42:49,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1791212561, now seen corresponding path program 1 times [2019-12-27 11:42:49,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:42:49,900 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200928135] [2019-12-27 11:42:49,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:42:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:42:50,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 11:42:50,037 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200928135] [2019-12-27 11:42:50,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:42:50,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 11:42:50,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827174201] [2019-12-27 11:42:50,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 11:42:50,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:42:50,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 11:42:50,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-27 11:42:50,040 INFO L87 Difference]: Start difference. First operand 176152 states and 777059 transitions. Second operand 7 states. [2019-12-27 11:42:58,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:42:58,261 INFO L93 Difference]: Finished difference Result 224104 states and 971735 transitions. [2019-12-27 11:42:58,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-27 11:42:58,261 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2019-12-27 11:42:58,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:42:59,051 INFO L225 Difference]: With dead ends: 224104 [2019-12-27 11:42:59,051 INFO L226 Difference]: Without dead ends: 222904 [2019-12-27 11:42:59,051 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2019-12-27 11:43:00,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222904 states. [2019-12-27 11:43:04,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222904 to 180728. [2019-12-27 11:43:04,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180728 states. [2019-12-27 11:43:05,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180728 states to 180728 states and 796151 transitions. [2019-12-27 11:43:05,039 INFO L78 Accepts]: Start accepts. Automaton has 180728 states and 796151 transitions. Word has length 75 [2019-12-27 11:43:05,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:43:05,039 INFO L462 AbstractCegarLoop]: Abstraction has 180728 states and 796151 transitions. [2019-12-27 11:43:05,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 11:43:05,039 INFO L276 IsEmpty]: Start isEmpty. Operand 180728 states and 796151 transitions. [2019-12-27 11:43:06,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-27 11:43:06,392 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:43:06,393 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:43:06,393 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:43:06,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:43:06,393 INFO L82 PathProgramCache]: Analyzing trace with hash -2126066434, now seen corresponding path program 1 times [2019-12-27 11:43:06,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:43:06,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758848371] [2019-12-27 11:43:06,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:43:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:43:06,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 11:43:06,497 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758848371] [2019-12-27 11:43:06,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:43:06,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 11:43:06,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800613214] [2019-12-27 11:43:06,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 11:43:06,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:43:06,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 11:43:06,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 11:43:06,499 INFO L87 Difference]: Start difference. First operand 180728 states and 796151 transitions. Second operand 5 states. [2019-12-27 11:43:17,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:43:17,675 INFO L93 Difference]: Finished difference Result 518044 states and 2309890 transitions. [2019-12-27 11:43:17,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 11:43:17,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-12-27 11:43:17,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:43:20,958 INFO L225 Difference]: With dead ends: 518044 [2019-12-27 11:43:20,958 INFO L226 Difference]: Without dead ends: 518044 [2019-12-27 11:43:20,958 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 11:43:31,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518044 states. [2019-12-27 11:43:37,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518044 to 223128. [2019-12-27 11:43:37,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223128 states. [2019-12-27 11:43:39,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223128 states to 223128 states and 983327 transitions. [2019-12-27 11:43:39,463 INFO L78 Accepts]: Start accepts. Automaton has 223128 states and 983327 transitions. Word has length 76 [2019-12-27 11:43:39,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:43:39,464 INFO L462 AbstractCegarLoop]: Abstraction has 223128 states and 983327 transitions. [2019-12-27 11:43:39,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 11:43:39,464 INFO L276 IsEmpty]: Start isEmpty. Operand 223128 states and 983327 transitions. [2019-12-27 11:43:39,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-27 11:43:39,732 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:43:39,732 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:43:39,733 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:43:39,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:43:39,733 INFO L82 PathProgramCache]: Analyzing trace with hash -383256099, now seen corresponding path program 1 times [2019-12-27 11:43:39,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:43:39,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828244513] [2019-12-27 11:43:39,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:43:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:43:39,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 11:43:39,826 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828244513] [2019-12-27 11:43:39,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:43:39,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 11:43:39,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958078463] [2019-12-27 11:43:39,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 11:43:39,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:43:39,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 11:43:39,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-27 11:43:39,828 INFO L87 Difference]: Start difference. First operand 223128 states and 983327 transitions. Second operand 7 states. [2019-12-27 11:43:44,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:43:44,014 INFO L93 Difference]: Finished difference Result 264184 states and 1148531 transitions. [2019-12-27 11:43:44,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-27 11:43:44,015 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2019-12-27 11:43:44,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:43:54,275 INFO L225 Difference]: With dead ends: 264184 [2019-12-27 11:43:54,275 INFO L226 Difference]: Without dead ends: 263184 [2019-12-27 11:43:54,276 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2019-12-27 11:43:55,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263184 states. [2019-12-27 11:43:59,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263184 to 226216. [2019-12-27 11:43:59,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226216 states. [2019-12-27 11:44:02,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226216 states to 226216 states and 995803 transitions. [2019-12-27 11:44:02,031 INFO L78 Accepts]: Start accepts. Automaton has 226216 states and 995803 transitions. Word has length 76 [2019-12-27 11:44:02,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:44:02,031 INFO L462 AbstractCegarLoop]: Abstraction has 226216 states and 995803 transitions. [2019-12-27 11:44:02,031 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 11:44:02,031 INFO L276 IsEmpty]: Start isEmpty. Operand 226216 states and 995803 transitions. [2019-12-27 11:44:02,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-27 11:44:02,342 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:44:02,342 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:44:02,343 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:44:02,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:44:02,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1057305479, now seen corresponding path program 1 times [2019-12-27 11:44:02,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:44:02,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733056118] [2019-12-27 11:44:02,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:44:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:44:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 11:44:02,463 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733056118] [2019-12-27 11:44:02,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:44:02,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 11:44:02,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642587285] [2019-12-27 11:44:02,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 11:44:02,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:44:02,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 11:44:02,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 11:44:02,465 INFO L87 Difference]: Start difference. First operand 226216 states and 995803 transitions. Second operand 6 states. Received shutdown request... [2019-12-27 11:44:10,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 11:44:10,635 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 11:44:10,644 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 11:44:10,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 11:44:10 BasicIcfg [2019-12-27 11:44:10,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 11:44:10,648 INFO L168 Benchmark]: Toolchain (without parser) took 183471.05 ms. Allocated memory was 141.0 MB in the beginning and 4.9 GB in the end (delta: 4.8 GB). Free memory was 100.6 MB in the beginning and 3.3 GB in the end (delta: -3.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-12-27 11:44:10,653 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 141.0 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-27 11:44:10,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.46 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 157.9 MB in the end (delta: -57.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-12-27 11:44:10,655 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.77 ms. Allocated memory is still 203.9 MB. Free memory was 157.9 MB in the beginning and 154.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-12-27 11:44:10,655 INFO L168 Benchmark]: Boogie Preprocessor took 51.56 ms. Allocated memory is still 203.9 MB. Free memory was 154.6 MB in the beginning and 152.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 11:44:10,656 INFO L168 Benchmark]: RCFGBuilder took 922.77 ms. Allocated memory is still 203.9 MB. Free memory was 152.6 MB in the beginning and 105.1 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 7.1 GB. [2019-12-27 11:44:10,659 INFO L168 Benchmark]: TraceAbstraction took 181651.75 ms. Allocated memory was 203.9 MB in the beginning and 4.9 GB in the end (delta: 4.7 GB). Free memory was 105.1 MB in the beginning and 3.3 GB in the end (delta: -3.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-12-27 11:44:10,668 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 141.0 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 766.46 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 157.9 MB in the end (delta: -57.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 71.77 ms. Allocated memory is still 203.9 MB. Free memory was 157.9 MB in the beginning and 154.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.56 ms. Allocated memory is still 203.9 MB. Free memory was 154.6 MB in the beginning and 152.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 922.77 ms. Allocated memory is still 203.9 MB. Free memory was 152.6 MB in the beginning and 105.1 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 181651.75 ms. Allocated memory was 203.9 MB in the beginning and 4.9 GB in the end (delta: 4.7 GB). Free memory was 105.1 MB in the beginning and 3.3 GB in the end (delta: -3.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while BasicCegarLoop was constructing difference of abstraction (226216states) and FLOYD_HOARE automaton (currently 8 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (135267 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while BasicCegarLoop was constructing difference of abstraction (226216states) and FLOYD_HOARE automaton (currently 8 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (135267 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 156 locations, 2 error locations. Result: TIMEOUT, OverallTime: 181.4s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 83.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3430 SDtfs, 4294 SDslu, 8044 SDs, 0 SdLazy, 3277 SolverSat, 287 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226216occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 80.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 499384 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 653 ConstructedInterpolants, 0 QuantifiedInterpolants, 97734 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown