/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe011_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 22:01:05,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 22:01:05,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 22:01:05,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 22:01:05,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 22:01:05,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 22:01:05,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 22:01:05,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 22:01:05,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 22:01:05,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 22:01:05,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 22:01:05,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 22:01:05,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 22:01:05,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 22:01:05,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 22:01:05,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 22:01:05,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 22:01:05,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 22:01:05,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 22:01:05,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 22:01:05,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 22:01:05,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 22:01:05,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 22:01:05,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 22:01:05,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 22:01:05,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 22:01:05,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 22:01:05,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 22:01:05,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 22:01:05,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 22:01:05,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 22:01:05,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 22:01:05,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 22:01:05,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 22:01:05,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 22:01:05,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 22:01:05,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 22:01:05,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 22:01:05,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 22:01:05,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 22:01:05,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 22:01:05,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-21 22:01:05,864 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 22:01:05,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 22:01:05,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 22:01:05,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 22:01:05,867 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 22:01:05,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 22:01:05,867 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 22:01:05,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 22:01:05,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 22:01:05,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 22:01:05,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 22:01:05,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 22:01:05,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 22:01:05,868 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 22:01:05,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 22:01:05,869 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 22:01:05,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 22:01:05,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 22:01:05,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 22:01:05,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 22:01:05,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 22:01:05,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:01:05,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 22:01:05,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-21 22:01:05,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 22:01:05,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 22:01:05,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 22:01:05,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 22:01:05,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-21 22:01:05,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-21 22:01:06,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 22:01:06,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 22:01:06,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 22:01:06,279 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 22:01:06,279 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 22:01:06,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_pso.oepc.i [2020-10-21 22:01:06,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e970bc44a/620ed06c5ff147bcb69d9564606f40ea/FLAGd059a9dba [2020-10-21 22:01:06,874 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 22:01:06,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_pso.oepc.i [2020-10-21 22:01:06,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e970bc44a/620ed06c5ff147bcb69d9564606f40ea/FLAGd059a9dba [2020-10-21 22:01:07,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e970bc44a/620ed06c5ff147bcb69d9564606f40ea [2020-10-21 22:01:07,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 22:01:07,236 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 22:01:07,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 22:01:07,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 22:01:07,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 22:01:07,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:01:07" (1/1) ... [2020-10-21 22:01:07,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d1e96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:07, skipping insertion in model container [2020-10-21 22:01:07,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:01:07" (1/1) ... [2020-10-21 22:01:07,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 22:01:07,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 22:01:07,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:01:07,866 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 22:01:07,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:01:08,019 INFO L208 MainTranslator]: Completed translation [2020-10-21 22:01:08,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:08 WrapperNode [2020-10-21 22:01:08,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 22:01:08,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 22:01:08,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 22:01:08,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 22:01:08,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:08" (1/1) ... [2020-10-21 22:01:08,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:08" (1/1) ... [2020-10-21 22:01:08,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 22:01:08,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 22:01:08,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 22:01:08,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 22:01:08,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:08" (1/1) ... [2020-10-21 22:01:08,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:08" (1/1) ... [2020-10-21 22:01:08,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:08" (1/1) ... [2020-10-21 22:01:08,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:08" (1/1) ... [2020-10-21 22:01:08,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:08" (1/1) ... [2020-10-21 22:01:08,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:08" (1/1) ... [2020-10-21 22:01:08,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:08" (1/1) ... [2020-10-21 22:01:08,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 22:01:08,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 22:01:08,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 22:01:08,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 22:01:08,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:01:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 22:01:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 22:01:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 22:01:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 22:01:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 22:01:08,213 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 22:01:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 22:01:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 22:01:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 22:01:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 22:01:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 22:01:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 22:01:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 22:01:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 22:01:08,218 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 22:01:10,384 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 22:01:10,385 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-21 22:01:10,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:01:10 BoogieIcfgContainer [2020-10-21 22:01:10,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 22:01:10,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 22:01:10,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 22:01:10,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 22:01:10,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 10:01:07" (1/3) ... [2020-10-21 22:01:10,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222e4640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:01:10, skipping insertion in model container [2020-10-21 22:01:10,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:01:08" (2/3) ... [2020-10-21 22:01:10,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222e4640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:01:10, skipping insertion in model container [2020-10-21 22:01:10,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:01:10" (3/3) ... [2020-10-21 22:01:10,398 INFO L111 eAbstractionObserver]: Analyzing ICFG safe011_pso.oepc.i [2020-10-21 22:01:10,410 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 22:01:10,411 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-21 22:01:10,419 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 22:01:10,421 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 22:01:10,452 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,453 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,453 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,453 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,453 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,454 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,454 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,454 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,454 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,455 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,455 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,455 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,455 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,455 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,456 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,456 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,456 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,456 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,456 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,457 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,457 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,457 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,458 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,458 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,459 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,459 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,459 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,459 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,461 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,461 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,462 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,462 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,462 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,462 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,463 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,463 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,463 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,463 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,463 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,464 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,464 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,469 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,470 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,470 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,470 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,470 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,470 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,471 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,471 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,471 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,471 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,471 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,474 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,475 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,478 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,478 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:01:10,481 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 22:01:10,498 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-21 22:01:10,523 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:01:10,523 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:01:10,523 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 22:01:10,523 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:01:10,524 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:01:10,524 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:01:10,524 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:01:10,524 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:01:10,541 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 22:01:10,544 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 101 transitions, 217 flow [2020-10-21 22:01:10,548 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 101 transitions, 217 flow [2020-10-21 22:01:10,551 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 108 places, 101 transitions, 217 flow [2020-10-21 22:01:10,612 INFO L129 PetriNetUnfolder]: 3/98 cut-off events. [2020-10-21 22:01:10,612 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 22:01:10,618 INFO L80 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 98 events. 3/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 76 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2020-10-21 22:01:10,625 INFO L116 LiptonReduction]: Number of co-enabled transitions 1870 [2020-10-21 22:01:10,810 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 1] term [2020-10-21 22:01:10,811 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:10,814 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 1] term [2020-10-21 22:01:10,816 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:10,833 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 4, 3, 1] term [2020-10-21 22:01:10,833 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-21 22:01:10,846 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-21 22:01:10,847 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:10,919 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:10,920 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:10,926 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:10,927 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:10,929 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:10,930 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:10,934 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:10,934 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 22:01:10,939 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:10,939 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 22:01:10,942 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:10,942 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 22:01:10,946 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-21 22:01:10,946 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:10,950 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-21 22:01:10,951 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:10,953 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-21 22:01:10,954 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:11,197 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:11,198 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:11,207 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,207 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:11,208 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,209 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:11,213 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,213 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 22:01:11,216 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,216 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 22:01:11,218 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,219 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 22:01:11,221 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-21 22:01:11,221 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:11,223 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-21 22:01:11,224 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:11,225 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-21 22:01:11,226 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:11,282 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 1] term [2020-10-21 22:01:11,282 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:11,283 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 1] term [2020-10-21 22:01:11,284 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:11,287 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 4, 3, 1] term [2020-10-21 22:01:11,287 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-21 22:01:11,291 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-21 22:01:11,291 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:11,421 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:11,422 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:11,423 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,423 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:11,425 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,426 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:11,428 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:11,428 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:11,444 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:11,445 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:11,446 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,446 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:11,448 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,448 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:11,450 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:11,451 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:11,820 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:11,820 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:11,821 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,822 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:11,824 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,824 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:11,827 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:11,827 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:11,843 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:11,844 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:11,844 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,845 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:11,847 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,847 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:11,849 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:11,850 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:11,906 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 3, 2, 1] term [2020-10-21 22:01:11,906 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:11,907 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 1] term [2020-10-21 22:01:11,907 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:11,932 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 3, 2, 1] term [2020-10-21 22:01:11,933 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:11,933 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 1] term [2020-10-21 22:01:11,934 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:11,979 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,980 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:11,984 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,984 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:11,986 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,986 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:11,989 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,989 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 22:01:11,991 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,992 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 22:01:11,993 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:11,994 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 22:01:11,996 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-21 22:01:11,996 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:11,999 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-21 22:01:12,000 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:12,001 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-21 22:01:12,002 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:12,048 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 1] term [2020-10-21 22:01:12,048 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:12,049 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 1] term [2020-10-21 22:01:12,049 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:12,052 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 4, 3, 1] term [2020-10-21 22:01:12,053 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-21 22:01:12,055 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-21 22:01:12,056 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:13,378 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2020-10-21 22:01:13,397 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 2, 2, 1] term [2020-10-21 22:01:13,398 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:13,398 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 1] term [2020-10-21 22:01:13,399 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:14,219 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 122 [2020-10-21 22:01:14,342 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:14,343 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,343 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,344 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,345 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,346 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:14,348 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:14,348 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:14,364 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:14,364 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,365 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,366 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,368 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,368 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:14,370 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:14,370 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:14,433 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,433 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,434 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,435 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,436 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,437 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:14,438 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:14,439 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:14,452 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:14,453 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,454 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,455 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,456 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:14,458 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:14,458 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:14,494 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:14,494 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,495 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,496 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,497 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,498 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:14,499 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:14,500 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:14,516 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,517 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,518 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,518 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,520 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,520 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:14,522 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:14,522 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:14,797 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:14,797 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,798 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,799 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,801 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,802 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:14,805 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:14,805 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:14,826 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:14,827 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,827 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,828 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,829 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,830 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:14,831 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:14,832 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:14,877 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 4, 3, 1] term [2020-10-21 22:01:14,878 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 22:01:14,881 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 4, 3, 1] term [2020-10-21 22:01:14,882 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:14,908 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 4, 3, 4, 3, 1] term [2020-10-21 22:01:14,908 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,909 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 4, 3, 1] term [2020-10-21 22:01:14,910 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,910 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,911 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,912 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,913 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:14,915 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,916 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:14,917 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,918 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:14,919 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 4, 3, 1] term [2020-10-21 22:01:14,919 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:14,921 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 5, 3, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,922 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:14,923 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 5, 3, 4, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-21 22:01:14,923 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:15,020 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,021 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,022 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,022 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,024 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,024 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:15,026 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:15,026 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:15,040 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:15,041 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,041 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,042 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,043 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,044 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:15,045 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:15,046 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:15,076 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-21 22:01:15,077 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,388 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-21 22:01:15,494 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-21 22:01:15,659 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,660 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,661 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,661 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,663 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,663 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:15,667 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:15,667 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:15,678 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,679 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,679 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,680 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,681 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,681 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:15,683 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:15,683 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:15,728 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:15,729 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,729 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,730 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,731 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,732 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:15,734 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:15,734 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:15,745 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,745 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,746 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,746 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,747 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,748 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:15,751 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:15,752 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:15,855 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:15,856 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,856 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,857 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,858 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,859 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:15,860 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:15,861 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:15,871 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:15,872 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,872 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,873 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,874 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,875 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:15,876 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:15,877 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:15,916 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,917 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,917 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,943 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,947 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,947 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:15,948 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:15,949 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:15,959 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,960 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,961 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,961 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:15,963 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:15,963 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:15,964 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:15,965 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:16,041 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:16,042 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:16,042 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:16,043 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:16,044 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:16,044 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:16,045 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:16,046 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:16,066 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:16,066 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:16,067 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:16,067 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:16,068 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:16,068 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:16,070 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:16,070 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:16,170 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:16,171 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:16,172 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:16,173 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:16,175 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:16,175 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:16,177 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:16,177 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:01:16,188 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:16,188 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:16,189 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:16,189 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:01:16,190 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 22:01:16,191 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:16,192 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 22:01:16,192 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 22:01:17,128 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2020-10-21 22:01:17,305 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-21 22:01:17,318 INFO L131 LiptonReduction]: Checked pairs total: 4899 [2020-10-21 22:01:17,318 INFO L133 LiptonReduction]: Total number of compositions: 89 [2020-10-21 22:01:17,325 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 28 transitions, 71 flow [2020-10-21 22:01:17,397 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 974 states. [2020-10-21 22:01:17,400 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states. [2020-10-21 22:01:17,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-21 22:01:17,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:17,407 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-21 22:01:17,407 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:17,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:17,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1090369, now seen corresponding path program 1 times [2020-10-21 22:01:17,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:17,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399664893] [2020-10-21 22:01:17,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:17,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399664893] [2020-10-21 22:01:17,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:17,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:01:17,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481412137] [2020-10-21 22:01:17,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:01:17,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:17,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:01:17,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:01:17,690 INFO L87 Difference]: Start difference. First operand 974 states. Second operand 3 states. [2020-10-21 22:01:17,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:17,794 INFO L93 Difference]: Finished difference Result 812 states and 2575 transitions. [2020-10-21 22:01:17,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:01:17,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-21 22:01:17,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:17,823 INFO L225 Difference]: With dead ends: 812 [2020-10-21 22:01:17,823 INFO L226 Difference]: Without dead ends: 687 [2020-10-21 22:01:17,825 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 [2020-10-21 22:01:17,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2020-10-21 22:01:17,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 687. [2020-10-21 22:01:17,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2020-10-21 22:01:17,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 2150 transitions. [2020-10-21 22:01:17,954 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 2150 transitions. Word has length 3 [2020-10-21 22:01:17,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:17,957 INFO L481 AbstractCegarLoop]: Abstraction has 687 states and 2150 transitions. [2020-10-21 22:01:17,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:01:17,957 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 2150 transitions. [2020-10-21 22:01:17,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-21 22:01:17,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:17,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:17,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 22:01:17,960 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:17,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:17,961 INFO L82 PathProgramCache]: Analyzing trace with hash -369742601, now seen corresponding path program 1 times [2020-10-21 22:01:17,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:17,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753002989] [2020-10-21 22:01:17,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:18,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:18,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753002989] [2020-10-21 22:01:18,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:18,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:01:18,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828396030] [2020-10-21 22:01:18,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:01:18,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:18,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:01:18,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:01:18,135 INFO L87 Difference]: Start difference. First operand 687 states and 2150 transitions. Second operand 4 states. [2020-10-21 22:01:18,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:18,246 INFO L93 Difference]: Finished difference Result 802 states and 2417 transitions. [2020-10-21 22:01:18,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:01:18,247 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-21 22:01:18,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:18,254 INFO L225 Difference]: With dead ends: 802 [2020-10-21 22:01:18,254 INFO L226 Difference]: Without dead ends: 677 [2020-10-21 22:01:18,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:01:18,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2020-10-21 22:01:18,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 677. [2020-10-21 22:01:18,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 677 states. [2020-10-21 22:01:18,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 2112 transitions. [2020-10-21 22:01:18,318 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 2112 transitions. Word has length 10 [2020-10-21 22:01:18,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:18,319 INFO L481 AbstractCegarLoop]: Abstraction has 677 states and 2112 transitions. [2020-10-21 22:01:18,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:01:18,320 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 2112 transitions. [2020-10-21 22:01:18,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 22:01:18,325 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:18,325 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:18,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 22:01:18,326 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:18,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:18,326 INFO L82 PathProgramCache]: Analyzing trace with hash -403301390, now seen corresponding path program 1 times [2020-10-21 22:01:18,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:18,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563219886] [2020-10-21 22:01:18,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:18,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563219886] [2020-10-21 22:01:18,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:18,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:01:18,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596590360] [2020-10-21 22:01:18,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:01:18,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:18,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:01:18,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:01:18,467 INFO L87 Difference]: Start difference. First operand 677 states and 2112 transitions. Second operand 4 states. [2020-10-21 22:01:18,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:18,502 INFO L93 Difference]: Finished difference Result 749 states and 2250 transitions. [2020-10-21 22:01:18,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:01:18,503 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-21 22:01:18,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:18,508 INFO L225 Difference]: With dead ends: 749 [2020-10-21 22:01:18,508 INFO L226 Difference]: Without dead ends: 629 [2020-10-21 22:01:18,508 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:01:18,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2020-10-21 22:01:18,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 629. [2020-10-21 22:01:18,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2020-10-21 22:01:18,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 1940 transitions. [2020-10-21 22:01:18,531 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 1940 transitions. Word has length 11 [2020-10-21 22:01:18,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:18,532 INFO L481 AbstractCegarLoop]: Abstraction has 629 states and 1940 transitions. [2020-10-21 22:01:18,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:01:18,532 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1940 transitions. [2020-10-21 22:01:18,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 22:01:18,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:18,534 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:18,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 22:01:18,535 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:18,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:18,535 INFO L82 PathProgramCache]: Analyzing trace with hash 382555853, now seen corresponding path program 1 times [2020-10-21 22:01:18,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:18,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034298411] [2020-10-21 22:01:18,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:18,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:18,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034298411] [2020-10-21 22:01:18,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:18,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:01:18,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942661837] [2020-10-21 22:01:18,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:01:18,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:18,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:01:18,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:01:18,629 INFO L87 Difference]: Start difference. First operand 629 states and 1940 transitions. Second operand 4 states. [2020-10-21 22:01:18,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:18,666 INFO L93 Difference]: Finished difference Result 701 states and 2098 transitions. [2020-10-21 22:01:18,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:01:18,667 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-21 22:01:18,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:18,671 INFO L225 Difference]: With dead ends: 701 [2020-10-21 22:01:18,672 INFO L226 Difference]: Without dead ends: 621 [2020-10-21 22:01:18,672 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:01:18,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2020-10-21 22:01:18,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 621. [2020-10-21 22:01:18,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-10-21 22:01:18,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 1910 transitions. [2020-10-21 22:01:18,693 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 1910 transitions. Word has length 12 [2020-10-21 22:01:18,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:18,694 INFO L481 AbstractCegarLoop]: Abstraction has 621 states and 1910 transitions. [2020-10-21 22:01:18,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:01:18,694 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 1910 transitions. [2020-10-21 22:01:18,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 22:01:18,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:18,696 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:18,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 22:01:18,696 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:18,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:18,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1159558494, now seen corresponding path program 1 times [2020-10-21 22:01:18,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:18,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55322800] [2020-10-21 22:01:18,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:18,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55322800] [2020-10-21 22:01:18,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:18,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:01:18,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80972921] [2020-10-21 22:01:18,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:01:18,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:18,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:01:18,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:01:18,804 INFO L87 Difference]: Start difference. First operand 621 states and 1910 transitions. Second operand 5 states. [2020-10-21 22:01:18,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:18,869 INFO L93 Difference]: Finished difference Result 829 states and 2510 transitions. [2020-10-21 22:01:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:01:18,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-21 22:01:18,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:18,873 INFO L225 Difference]: With dead ends: 829 [2020-10-21 22:01:18,874 INFO L226 Difference]: Without dead ends: 437 [2020-10-21 22:01:18,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-21 22:01:18,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-10-21 22:01:18,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2020-10-21 22:01:18,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-10-21 22:01:18,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 1270 transitions. [2020-10-21 22:01:18,888 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 1270 transitions. Word has length 12 [2020-10-21 22:01:18,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:18,888 INFO L481 AbstractCegarLoop]: Abstraction has 437 states and 1270 transitions. [2020-10-21 22:01:18,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:01:18,888 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 1270 transitions. [2020-10-21 22:01:18,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 22:01:18,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:18,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:18,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 22:01:18,890 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:18,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:18,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1591368352, now seen corresponding path program 1 times [2020-10-21 22:01:18,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:18,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420380690] [2020-10-21 22:01:18,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:18,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:18,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420380690] [2020-10-21 22:01:18,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:18,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:01:18,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335128025] [2020-10-21 22:01:18,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:01:18,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:18,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:01:18,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:01:18,985 INFO L87 Difference]: Start difference. First operand 437 states and 1270 transitions. Second operand 5 states. [2020-10-21 22:01:19,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:19,083 INFO L93 Difference]: Finished difference Result 491 states and 1384 transitions. [2020-10-21 22:01:19,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:01:19,084 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-21 22:01:19,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:19,087 INFO L225 Difference]: With dead ends: 491 [2020-10-21 22:01:19,087 INFO L226 Difference]: Without dead ends: 431 [2020-10-21 22:01:19,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:01:19,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-10-21 22:01:19,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2020-10-21 22:01:19,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-10-21 22:01:19,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 1248 transitions. [2020-10-21 22:01:19,102 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 1248 transitions. Word has length 13 [2020-10-21 22:01:19,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:19,103 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 1248 transitions. [2020-10-21 22:01:19,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:01:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 1248 transitions. [2020-10-21 22:01:19,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 22:01:19,104 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:19,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:19,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 22:01:19,105 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:19,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:19,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1726102075, now seen corresponding path program 1 times [2020-10-21 22:01:19,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:19,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742991194] [2020-10-21 22:01:19,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:19,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:19,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742991194] [2020-10-21 22:01:19,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:19,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:01:19,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499047064] [2020-10-21 22:01:19,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:01:19,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:19,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:01:19,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:01:19,215 INFO L87 Difference]: Start difference. First operand 431 states and 1248 transitions. Second operand 5 states. [2020-10-21 22:01:19,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:19,328 INFO L93 Difference]: Finished difference Result 511 states and 1448 transitions. [2020-10-21 22:01:19,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:01:19,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-21 22:01:19,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:19,333 INFO L225 Difference]: With dead ends: 511 [2020-10-21 22:01:19,333 INFO L226 Difference]: Without dead ends: 459 [2020-10-21 22:01:19,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:01:19,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2020-10-21 22:01:19,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2020-10-21 22:01:19,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-10-21 22:01:19,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 1328 transitions. [2020-10-21 22:01:19,351 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 1328 transitions. Word has length 14 [2020-10-21 22:01:19,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:19,352 INFO L481 AbstractCegarLoop]: Abstraction has 459 states and 1328 transitions. [2020-10-21 22:01:19,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:01:19,352 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1328 transitions. [2020-10-21 22:01:19,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 22:01:19,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:19,354 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:19,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 22:01:19,354 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:19,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:19,355 INFO L82 PathProgramCache]: Analyzing trace with hash 2087735349, now seen corresponding path program 1 times [2020-10-21 22:01:19,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:19,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198073210] [2020-10-21 22:01:19,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:19,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:19,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198073210] [2020-10-21 22:01:19,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:19,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:01:19,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370909439] [2020-10-21 22:01:19,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:01:19,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:19,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:01:19,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:01:19,473 INFO L87 Difference]: Start difference. First operand 459 states and 1328 transitions. Second operand 5 states. [2020-10-21 22:01:19,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:19,570 INFO L93 Difference]: Finished difference Result 511 states and 1449 transitions. [2020-10-21 22:01:19,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:01:19,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-21 22:01:19,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:19,575 INFO L225 Difference]: With dead ends: 511 [2020-10-21 22:01:19,576 INFO L226 Difference]: Without dead ends: 466 [2020-10-21 22:01:19,577 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:01:19,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-10-21 22:01:19,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 462. [2020-10-21 22:01:19,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-10-21 22:01:19,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 1336 transitions. [2020-10-21 22:01:19,591 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 1336 transitions. Word has length 14 [2020-10-21 22:01:19,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:19,591 INFO L481 AbstractCegarLoop]: Abstraction has 462 states and 1336 transitions. [2020-10-21 22:01:19,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:01:19,592 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 1336 transitions. [2020-10-21 22:01:19,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 22:01:19,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:19,593 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:19,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 22:01:19,593 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:19,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:19,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1733371513, now seen corresponding path program 2 times [2020-10-21 22:01:19,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:19,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176208345] [2020-10-21 22:01:19,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:19,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176208345] [2020-10-21 22:01:19,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:19,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:01:19,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793902823] [2020-10-21 22:01:19,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:01:19,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:19,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:01:19,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:01:19,739 INFO L87 Difference]: Start difference. First operand 462 states and 1336 transitions. Second operand 6 states. [2020-10-21 22:01:19,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:19,923 INFO L93 Difference]: Finished difference Result 553 states and 1573 transitions. [2020-10-21 22:01:19,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 22:01:19,924 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-21 22:01:19,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:19,928 INFO L225 Difference]: With dead ends: 553 [2020-10-21 22:01:19,928 INFO L226 Difference]: Without dead ends: 492 [2020-10-21 22:01:19,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-21 22:01:19,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2020-10-21 22:01:19,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 485. [2020-10-21 22:01:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2020-10-21 22:01:19,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 1392 transitions. [2020-10-21 22:01:19,943 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 1392 transitions. Word has length 14 [2020-10-21 22:01:19,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:19,943 INFO L481 AbstractCegarLoop]: Abstraction has 485 states and 1392 transitions. [2020-10-21 22:01:19,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 22:01:19,944 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 1392 transitions. [2020-10-21 22:01:19,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 22:01:19,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:19,945 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:19,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 22:01:19,945 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:19,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:19,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1970989686, now seen corresponding path program 1 times [2020-10-21 22:01:19,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:19,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428235806] [2020-10-21 22:01:19,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:20,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:20,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428235806] [2020-10-21 22:01:20,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:20,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:01:20,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175381250] [2020-10-21 22:01:20,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:01:20,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:20,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:01:20,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:01:20,085 INFO L87 Difference]: Start difference. First operand 485 states and 1392 transitions. Second operand 6 states. [2020-10-21 22:01:20,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:20,212 INFO L93 Difference]: Finished difference Result 509 states and 1432 transitions. [2020-10-21 22:01:20,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:01:20,213 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-21 22:01:20,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:20,217 INFO L225 Difference]: With dead ends: 509 [2020-10-21 22:01:20,217 INFO L226 Difference]: Without dead ends: 477 [2020-10-21 22:01:20,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-21 22:01:20,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2020-10-21 22:01:20,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2020-10-21 22:01:20,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-10-21 22:01:20,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 1364 transitions. [2020-10-21 22:01:20,236 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 1364 transitions. Word has length 15 [2020-10-21 22:01:20,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:20,236 INFO L481 AbstractCegarLoop]: Abstraction has 477 states and 1364 transitions. [2020-10-21 22:01:20,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 22:01:20,236 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 1364 transitions. [2020-10-21 22:01:20,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 22:01:20,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:20,238 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:20,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 22:01:20,238 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:20,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:20,239 INFO L82 PathProgramCache]: Analyzing trace with hash -971181429, now seen corresponding path program 1 times [2020-10-21 22:01:20,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:20,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825074548] [2020-10-21 22:01:20,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:20,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825074548] [2020-10-21 22:01:20,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:20,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:01:20,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155932683] [2020-10-21 22:01:20,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:01:20,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:20,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:01:20,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:01:20,334 INFO L87 Difference]: Start difference. First operand 477 states and 1364 transitions. Second operand 6 states. [2020-10-21 22:01:20,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:20,477 INFO L93 Difference]: Finished difference Result 570 states and 1620 transitions. [2020-10-21 22:01:20,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:01:20,479 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-21 22:01:20,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:20,483 INFO L225 Difference]: With dead ends: 570 [2020-10-21 22:01:20,483 INFO L226 Difference]: Without dead ends: 540 [2020-10-21 22:01:20,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-21 22:01:20,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2020-10-21 22:01:20,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 475. [2020-10-21 22:01:20,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-10-21 22:01:20,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 1357 transitions. [2020-10-21 22:01:20,503 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 1357 transitions. Word has length 16 [2020-10-21 22:01:20,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:20,505 INFO L481 AbstractCegarLoop]: Abstraction has 475 states and 1357 transitions. [2020-10-21 22:01:20,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 22:01:20,505 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1357 transitions. [2020-10-21 22:01:20,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 22:01:20,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:20,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:20,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 22:01:20,507 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:20,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:20,508 INFO L82 PathProgramCache]: Analyzing trace with hash -928109409, now seen corresponding path program 2 times [2020-10-21 22:01:20,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:20,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606356927] [2020-10-21 22:01:20,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:20,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:20,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606356927] [2020-10-21 22:01:20,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:20,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:01:20,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485275770] [2020-10-21 22:01:20,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 22:01:20,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:20,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 22:01:20,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:01:20,692 INFO L87 Difference]: Start difference. First operand 475 states and 1357 transitions. Second operand 7 states. [2020-10-21 22:01:20,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:20,902 INFO L93 Difference]: Finished difference Result 569 states and 1615 transitions. [2020-10-21 22:01:20,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:01:20,903 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-10-21 22:01:20,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:20,907 INFO L225 Difference]: With dead ends: 569 [2020-10-21 22:01:20,908 INFO L226 Difference]: Without dead ends: 535 [2020-10-21 22:01:20,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-21 22:01:20,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2020-10-21 22:01:20,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 469. [2020-10-21 22:01:20,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-10-21 22:01:20,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 1341 transitions. [2020-10-21 22:01:20,927 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 1341 transitions. Word has length 16 [2020-10-21 22:01:20,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:20,928 INFO L481 AbstractCegarLoop]: Abstraction has 469 states and 1341 transitions. [2020-10-21 22:01:20,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 22:01:20,928 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 1341 transitions. [2020-10-21 22:01:20,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 22:01:20,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:20,929 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:20,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-21 22:01:20,930 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:20,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:20,930 INFO L82 PathProgramCache]: Analyzing trace with hash -928102682, now seen corresponding path program 1 times [2020-10-21 22:01:20,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:20,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426067827] [2020-10-21 22:01:20,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:21,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:21,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426067827] [2020-10-21 22:01:21,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:21,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:01:21,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415699614] [2020-10-21 22:01:21,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 22:01:21,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:21,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 22:01:21,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:01:21,169 INFO L87 Difference]: Start difference. First operand 469 states and 1341 transitions. Second operand 7 states. [2020-10-21 22:01:21,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:21,367 INFO L93 Difference]: Finished difference Result 645 states and 1787 transitions. [2020-10-21 22:01:21,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:01:21,368 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-10-21 22:01:21,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:21,372 INFO L225 Difference]: With dead ends: 645 [2020-10-21 22:01:21,372 INFO L226 Difference]: Without dead ends: 565 [2020-10-21 22:01:21,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-21 22:01:21,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-10-21 22:01:21,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 493. [2020-10-21 22:01:21,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2020-10-21 22:01:21,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 1399 transitions. [2020-10-21 22:01:21,421 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 1399 transitions. Word has length 16 [2020-10-21 22:01:21,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:21,421 INFO L481 AbstractCegarLoop]: Abstraction has 493 states and 1399 transitions. [2020-10-21 22:01:21,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 22:01:21,421 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 1399 transitions. [2020-10-21 22:01:21,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 22:01:21,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:21,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:21,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-21 22:01:21,426 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:21,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:21,427 INFO L82 PathProgramCache]: Analyzing trace with hash -928533210, now seen corresponding path program 1 times [2020-10-21 22:01:21,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:21,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260520316] [2020-10-21 22:01:21,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:21,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260520316] [2020-10-21 22:01:21,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:21,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:01:21,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830175194] [2020-10-21 22:01:21,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:01:21,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:21,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:01:21,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:01:21,515 INFO L87 Difference]: Start difference. First operand 493 states and 1399 transitions. Second operand 6 states. [2020-10-21 22:01:21,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:21,627 INFO L93 Difference]: Finished difference Result 781 states and 2162 transitions. [2020-10-21 22:01:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:01:21,628 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-21 22:01:21,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:21,632 INFO L225 Difference]: With dead ends: 781 [2020-10-21 22:01:21,633 INFO L226 Difference]: Without dead ends: 472 [2020-10-21 22:01:21,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-21 22:01:21,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2020-10-21 22:01:21,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 432. [2020-10-21 22:01:21,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-10-21 22:01:21,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 1124 transitions. [2020-10-21 22:01:21,646 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 1124 transitions. Word has length 16 [2020-10-21 22:01:21,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:21,646 INFO L481 AbstractCegarLoop]: Abstraction has 432 states and 1124 transitions. [2020-10-21 22:01:21,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 22:01:21,646 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 1124 transitions. [2020-10-21 22:01:21,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 22:01:21,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:21,648 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:21,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-21 22:01:21,648 INFO L429 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:21,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:21,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1171739132, now seen corresponding path program 2 times [2020-10-21 22:01:21,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:21,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867277614] [2020-10-21 22:01:21,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:21,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867277614] [2020-10-21 22:01:21,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:21,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:01:21,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10405181] [2020-10-21 22:01:21,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:01:21,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:21,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:01:21,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:01:21,709 INFO L87 Difference]: Start difference. First operand 432 states and 1124 transitions. Second operand 4 states. [2020-10-21 22:01:21,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:21,741 INFO L93 Difference]: Finished difference Result 416 states and 951 transitions. [2020-10-21 22:01:21,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:01:21,742 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-21 22:01:21,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:21,744 INFO L225 Difference]: With dead ends: 416 [2020-10-21 22:01:21,744 INFO L226 Difference]: Without dead ends: 318 [2020-10-21 22:01:21,745 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 [2020-10-21 22:01:21,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-10-21 22:01:21,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2020-10-21 22:01:21,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-21 22:01:21,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 720 transitions. [2020-10-21 22:01:21,753 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 720 transitions. Word has length 16 [2020-10-21 22:01:21,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:21,753 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 720 transitions. [2020-10-21 22:01:21,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:01:21,754 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 720 transitions. [2020-10-21 22:01:21,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 22:01:21,755 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:21,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:21,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-21 22:01:21,755 INFO L429 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:21,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:21,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1009884994, now seen corresponding path program 1 times [2020-10-21 22:01:21,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:21,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339094415] [2020-10-21 22:01:21,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:21,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:21,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339094415] [2020-10-21 22:01:21,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:21,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:01:21,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377039664] [2020-10-21 22:01:21,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:01:21,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:21,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:01:21,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:01:21,820 INFO L87 Difference]: Start difference. First operand 318 states and 720 transitions. Second operand 5 states. [2020-10-21 22:01:21,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:21,863 INFO L93 Difference]: Finished difference Result 253 states and 512 transitions. [2020-10-21 22:01:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:01:21,863 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-21 22:01:21,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:21,865 INFO L225 Difference]: With dead ends: 253 [2020-10-21 22:01:21,865 INFO L226 Difference]: Without dead ends: 200 [2020-10-21 22:01:21,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:01:21,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-21 22:01:21,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 195. [2020-10-21 22:01:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-10-21 22:01:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 388 transitions. [2020-10-21 22:01:21,871 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 388 transitions. Word has length 17 [2020-10-21 22:01:21,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:21,871 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 388 transitions. [2020-10-21 22:01:21,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:01:21,872 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 388 transitions. [2020-10-21 22:01:21,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 22:01:21,872 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:21,872 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:21,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-21 22:01:21,873 INFO L429 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:21,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:21,873 INFO L82 PathProgramCache]: Analyzing trace with hash 461994248, now seen corresponding path program 1 times [2020-10-21 22:01:21,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:21,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323563206] [2020-10-21 22:01:21,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:22,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:22,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323563206] [2020-10-21 22:01:22,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:22,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-21 22:01:22,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009916827] [2020-10-21 22:01:22,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-21 22:01:22,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:22,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-21 22:01:22,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-21 22:01:22,188 INFO L87 Difference]: Start difference. First operand 195 states and 388 transitions. Second operand 9 states. [2020-10-21 22:01:22,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:22,510 INFO L93 Difference]: Finished difference Result 221 states and 425 transitions. [2020-10-21 22:01:22,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-21 22:01:22,511 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-10-21 22:01:22,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:22,512 INFO L225 Difference]: With dead ends: 221 [2020-10-21 22:01:22,513 INFO L226 Difference]: Without dead ends: 145 [2020-10-21 22:01:22,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-10-21 22:01:22,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-21 22:01:22,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 131. [2020-10-21 22:01:22,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-21 22:01:22,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 262 transitions. [2020-10-21 22:01:22,517 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 262 transitions. Word has length 19 [2020-10-21 22:01:22,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:22,517 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 262 transitions. [2020-10-21 22:01:22,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-21 22:01:22,518 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 262 transitions. [2020-10-21 22:01:22,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 22:01:22,518 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:22,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:01:22,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-21 22:01:22,519 INFO L429 AbstractCegarLoop]: === Iteration 18 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:22,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:22,519 INFO L82 PathProgramCache]: Analyzing trace with hash -660289219, now seen corresponding path program 1 times [2020-10-21 22:01:22,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:22,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519040059] [2020-10-21 22:01:22,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:01:22,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:01:22,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519040059] [2020-10-21 22:01:22,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:01:22,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:01:22,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709199200] [2020-10-21 22:01:22,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:01:22,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:01:22,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:01:22,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:01:22,596 INFO L87 Difference]: Start difference. First operand 131 states and 262 transitions. Second operand 6 states. [2020-10-21 22:01:22,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:01:22,648 INFO L93 Difference]: Finished difference Result 112 states and 223 transitions. [2020-10-21 22:01:22,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:01:22,649 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-21 22:01:22,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:01:22,650 INFO L225 Difference]: With dead ends: 112 [2020-10-21 22:01:22,650 INFO L226 Difference]: Without dead ends: 63 [2020-10-21 22:01:22,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:01:22,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-21 22:01:22,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-10-21 22:01:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-21 22:01:22,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 110 transitions. [2020-10-21 22:01:22,654 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 110 transitions. Word has length 19 [2020-10-21 22:01:22,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:01:22,655 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 110 transitions. [2020-10-21 22:01:22,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 22:01:22,655 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 110 transitions. [2020-10-21 22:01:22,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-21 22:01:22,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:01:22,656 INFO L422 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] [2020-10-21 22:01:22,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-21 22:01:22,656 INFO L429 AbstractCegarLoop]: === Iteration 19 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:01:22,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:01:22,656 INFO L82 PathProgramCache]: Analyzing trace with hash -2015795615, now seen corresponding path program 1 times [2020-10-21 22:01:22,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:01:22,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634293132] [2020-10-21 22:01:22,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:01:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:01:22,714 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:01:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:01:22,781 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:01:22,853 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 22:01:22,853 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 22:01:22,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-21 22:01:22,879 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,880 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [740] [2020-10-21 22:01:22,887 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,888 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,888 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,888 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,889 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,889 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,889 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,889 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,890 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,890 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,890 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,890 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,891 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,891 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,891 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,891 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,892 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,892 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,892 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,892 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,893 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,893 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,893 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,893 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,894 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,894 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,894 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,894 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,894 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,894 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,894 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,895 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,895 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,895 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,897 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,897 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,897 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,898 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,902 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,902 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,902 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,903 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,903 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,903 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,903 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,903 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,904 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,904 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,904 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,904 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,904 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,904 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,905 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,905 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,905 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,905 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,906 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,906 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,906 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,906 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,906 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,906 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,907 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:01:22,907 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:01:22,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 10:01:22 BasicIcfg [2020-10-21 22:01:22,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 22:01:22,998 INFO L168 Benchmark]: Toolchain (without parser) took 15767.81 ms. Allocated memory was 141.0 MB in the beginning and 414.7 MB in the end (delta: 273.7 MB). Free memory was 102.1 MB in the beginning and 138.6 MB in the end (delta: -36.5 MB). Peak memory consumption was 237.2 MB. Max. memory is 7.1 GB. [2020-10-21 22:01:22,998 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-21 22:01:22,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.32 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 101.0 MB in the beginning and 150.6 MB in the end (delta: -49.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-10-21 22:01:22,999 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.75 ms. Allocated memory is still 200.3 MB. Free memory was 150.6 MB in the beginning and 147.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-10-21 22:01:23,000 INFO L168 Benchmark]: Boogie Preprocessor took 57.66 ms. Allocated memory is still 200.3 MB. Free memory was 147.3 MB in the beginning and 144.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-21 22:01:23,001 INFO L168 Benchmark]: RCFGBuilder took 2238.51 ms. Allocated memory was 200.3 MB in the beginning and 246.4 MB in the end (delta: 46.1 MB). Free memory was 144.7 MB in the beginning and 152.4 MB in the end (delta: -7.7 MB). Peak memory consumption was 99.4 MB. Max. memory is 7.1 GB. [2020-10-21 22:01:23,001 INFO L168 Benchmark]: TraceAbstraction took 12606.39 ms. Allocated memory was 246.4 MB in the beginning and 414.7 MB in the end (delta: 168.3 MB). Free memory was 150.6 MB in the beginning and 138.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 180.3 MB. Max. memory is 7.1 GB. [2020-10-21 22:01:23,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 783.32 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 101.0 MB in the beginning and 150.6 MB in the end (delta: -49.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 70.75 ms. Allocated memory is still 200.3 MB. Free memory was 150.6 MB in the beginning and 147.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.66 ms. Allocated memory is still 200.3 MB. Free memory was 147.3 MB in the beginning and 144.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2238.51 ms. Allocated memory was 200.3 MB in the beginning and 246.4 MB in the end (delta: 46.1 MB). Free memory was 144.7 MB in the beginning and 152.4 MB in the end (delta: -7.7 MB). Peak memory consumption was 99.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12606.39 ms. Allocated memory was 246.4 MB in the beginning and 414.7 MB in the end (delta: 168.3 MB). Free memory was 150.6 MB in the beginning and 138.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 180.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1325 VarBasedMoverChecksPositive, 70 VarBasedMoverChecksNegative, 23 SemBasedMoverChecksPositive, 47 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.8s, 170 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.7s, 108 PlacesBefore, 37 PlacesAfterwards, 101 TransitionsBefore, 28 TransitionsAfterwards, 1870 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 2 ChoiceCompositions, 89 TotalNumberOfCompositions, 4899 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L717] 0 int y = 0; [L719] 0 int z = 0; [L720] 0 _Bool z$flush_delayed; [L721] 0 int z$mem_tmp; [L722] 0 _Bool z$r_buff0_thd0; [L723] 0 _Bool z$r_buff0_thd1; [L724] 0 _Bool z$r_buff0_thd2; [L725] 0 _Bool z$r_buff0_thd3; [L726] 0 _Bool z$r_buff1_thd0; [L727] 0 _Bool z$r_buff1_thd1; [L728] 0 _Bool z$r_buff1_thd2; [L729] 0 _Bool z$r_buff1_thd3; [L730] 0 _Bool z$read_delayed; [L731] 0 int *z$read_delayed_var; [L732] 0 int z$w_buff0; [L733] 0 _Bool z$w_buff0_used; [L734] 0 int z$w_buff1; [L735] 0 _Bool z$w_buff1_used; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L818] 0 pthread_t t2031; [L819] FCALL, FORK 0 pthread_create(&t2031, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L741] 1 z$w_buff1 = z$w_buff0 [L742] 1 z$w_buff0 = 2 [L743] 1 z$w_buff1_used = z$w_buff0_used [L744] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L746] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L747] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L748] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L749] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L750] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L820] 0 pthread_t t2032; [L821] FCALL, FORK 0 pthread_create(&t2032, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L822] 0 pthread_t t2033; [L823] FCALL, FORK 0 pthread_create(&t2033, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L773] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L776] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L776] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L776] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L776] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L777] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L777] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L778] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L779] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L779] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L780] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L790] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L785] 2 return 0; [L793] 3 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L756] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L757] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L757] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L758] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L759] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L759] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L760] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L765] 1 return 0; [L796] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L796] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L796] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L796] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L797] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L797] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L798] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L798] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L799] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L799] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L800] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L800] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L805] 3 return 0; [L825] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L829] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L829] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L829] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L829] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L830] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L830] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L831] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L831] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L832] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L832] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L833] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L833] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L836] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L837] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L838] 0 z$flush_delayed = weak$$choice2 [L839] 0 z$mem_tmp = z [L840] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L840] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L841] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L841] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L842] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L842] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L842] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L842] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L843] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L843] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L844] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L845] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L845] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L846] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L846] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L847] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p2_EAX == 1) [L848] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L848] 0 z = z$flush_delayed ? z$mem_tmp : z [L849] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "safe011_pso.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=1, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.3s, OverallIterations: 19, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.8s, HoareTripleCheckerStatistics: 489 SDtfs, 601 SDslu, 1078 SDs, 0 SdLazy, 643 SolverSat, 141 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=974occurred 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: 0.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 273 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 235 ConstructedInterpolants, 0 QuantifiedInterpolants, 34036 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 incorrect! Received shutdown request...