/usr/bin/java -Xmx16000000000 -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-atomic/qrcu-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-09 11:05:06,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 11:05:06,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 11:05:06,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 11:05:06,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 11:05:06,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 11:05:06,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 11:05:06,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 11:05:06,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 11:05:06,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 11:05:06,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 11:05:06,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 11:05:06,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 11:05:06,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 11:05:06,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 11:05:06,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 11:05:06,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 11:05:06,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 11:05:06,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 11:05:06,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 11:05:06,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 11:05:06,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 11:05:06,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 11:05:06,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 11:05:06,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-09 11:05:06,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-09 11:05:06,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-09 11:05:06,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-09 11:05:06,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-09 11:05:06,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-09 11:05:06,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 11:05:06,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 11:05:06,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 11:05:06,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 11:05:06,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 11:05:06,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 11:05:06,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 11:05:06,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 11:05:06,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 11:05:06,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 11:05:06,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 11:05:06,894 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 [2020-10-09 11:05:06,916 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 11:05:06,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 11:05:06,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 11:05:06,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 11:05:06,918 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 11:05:06,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 11:05:06,919 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 11:05:06,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 11:05:06,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 11:05:06,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 11:05:06,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 11:05:06,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 11:05:06,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 11:05:06,920 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 11:05:06,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 11:05:06,921 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 11:05:06,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 11:05:06,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 11:05:06,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 11:05:06,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 11:05:06,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 11:05:06,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 11:05:06,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 11:05:06,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 11:05:06,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 11:05:06,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-09 11:05:06,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 11:05:06,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-09 11:05:06,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-09 11:05:06,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 11:05:07,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 11:05:07,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 11:05:07,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 11:05:07,266 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 11:05:07,266 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 11:05:07,267 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2020-10-09 11:05:07,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c04e82a98/354115825c0f47f3b62e5560fd157f16/FLAG67744b77b [2020-10-09 11:05:07,876 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 11:05:07,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2020-10-09 11:05:07,912 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c04e82a98/354115825c0f47f3b62e5560fd157f16/FLAG67744b77b [2020-10-09 11:05:08,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c04e82a98/354115825c0f47f3b62e5560fd157f16 [2020-10-09 11:05:08,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 11:05:08,182 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 11:05:08,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 11:05:08,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 11:05:08,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 11:05:08,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 11:05:08" (1/1) ... [2020-10-09 11:05:08,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7526da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:08, skipping insertion in model container [2020-10-09 11:05:08,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 11:05:08" (1/1) ... [2020-10-09 11:05:08,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 11:05:08,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 11:05:08,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 11:05:08,817 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 11:05:08,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 11:05:08,983 INFO L208 MainTranslator]: Completed translation [2020-10-09 11:05:08,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:08 WrapperNode [2020-10-09 11:05:08,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 11:05:08,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 11:05:08,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 11:05:08,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 11:05:08,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:08" (1/1) ... [2020-10-09 11:05:09,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:08" (1/1) ... [2020-10-09 11:05:09,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 11:05:09,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 11:05:09,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 11:05:09,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 11:05:09,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:08" (1/1) ... [2020-10-09 11:05:09,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:08" (1/1) ... [2020-10-09 11:05:09,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:08" (1/1) ... [2020-10-09 11:05:09,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:08" (1/1) ... [2020-10-09 11:05:09,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:08" (1/1) ... [2020-10-09 11:05:09,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:08" (1/1) ... [2020-10-09 11:05:09,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:08" (1/1) ... [2020-10-09 11:05:09,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 11:05:09,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 11:05:09,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 11:05:09,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 11:05:09,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:08" (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 [2020-10-09 11:05:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2020-10-09 11:05:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2020-10-09 11:05:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2020-10-09 11:05:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2020-10-09 11:05:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-09 11:05:09,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 11:05:09,161 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2020-10-09 11:05:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2020-10-09 11:05:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-09 11:05:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 11:05:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 11:05:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-09 11:05:09,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 11:05:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 11:05:09,170 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 11:05:10,348 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 11:05:10,349 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-09 11:05:10,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 11:05:10 BoogieIcfgContainer [2020-10-09 11:05:10,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 11:05:10,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 11:05:10,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 11:05:10,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 11:05:10,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 11:05:08" (1/3) ... [2020-10-09 11:05:10,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a52e832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 11:05:10, skipping insertion in model container [2020-10-09 11:05:10,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:05:08" (2/3) ... [2020-10-09 11:05:10,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a52e832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 11:05:10, skipping insertion in model container [2020-10-09 11:05:10,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 11:05:10" (3/3) ... [2020-10-09 11:05:10,360 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2020-10-09 11:05:10,372 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-09 11:05:10,373 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 11:05:10,380 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-09 11:05:10,381 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 11:05:10,422 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,422 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,423 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,423 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,423 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,424 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,424 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,424 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,424 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,424 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,425 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,425 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,425 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,426 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,426 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,426 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,426 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,427 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,427 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,427 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,427 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,428 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,428 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,428 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,428 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,428 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,429 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,429 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,429 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,429 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,429 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,430 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,430 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,430 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,430 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,431 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,431 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,431 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,431 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,432 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,432 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,432 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,432 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,432 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,433 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,433 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,433 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,433 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,435 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,435 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,435 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,435 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,435 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,435 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,436 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,436 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,436 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,436 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,437 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,437 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,437 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,437 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,437 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,437 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,438 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,439 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,439 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,439 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,440 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,440 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,440 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,440 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,440 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,441 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,441 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,441 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,441 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,442 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,442 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,442 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,442 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,442 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,443 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,443 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,443 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,443 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,443 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,444 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,444 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,444 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,444 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,444 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,445 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,445 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,445 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,445 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,445 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,446 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,446 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,446 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,446 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,446 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,447 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,448 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,448 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,448 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,448 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,448 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,449 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,449 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,449 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,449 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,449 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,449 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,450 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,450 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,450 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,450 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,450 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,451 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,451 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,451 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,451 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,451 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,452 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,452 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,452 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,452 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,452 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,452 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,454 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,454 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,455 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,455 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,455 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,455 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,456 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,456 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,456 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,456 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,456 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,456 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,457 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,457 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,457 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,457 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,457 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,458 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,458 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,458 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,458 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,460 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,460 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,464 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,464 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,464 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,465 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,465 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,465 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,465 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,465 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,465 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,466 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,466 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,466 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,466 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,466 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,467 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,467 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,467 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,467 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,467 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,467 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,468 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,468 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,468 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,468 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,468 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,469 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,469 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,469 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,469 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,469 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,470 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,474 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,474 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,474 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,474 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,475 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,475 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,475 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,475 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,475 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,475 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,476 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,476 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,476 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,476 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,476 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,477 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,477 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,477 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,477 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,479 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,479 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,480 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,481 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,481 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,481 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,481 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,481 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,482 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,482 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,482 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,482 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,482 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,483 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,483 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:05:10,520 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-09 11:05:10,543 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 11:05:10,544 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 11:05:10,544 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 11:05:10,544 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 11:05:10,544 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 11:05:10,544 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 11:05:10,544 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 11:05:10,544 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 11:05:10,561 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 11:05:10,564 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 171 transitions, 384 flow [2020-10-09 11:05:10,567 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 171 transitions, 384 flow [2020-10-09 11:05:10,569 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 157 places, 171 transitions, 384 flow [2020-10-09 11:05:10,645 INFO L129 PetriNetUnfolder]: 23/179 cut-off events. [2020-10-09 11:05:10,646 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-09 11:05:10,654 INFO L80 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 179 events. 23/179 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 447 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 141. Up to 6 conditions per place. [2020-10-09 11:05:10,664 INFO L117 LiptonReduction]: Number of co-enabled transitions 10120 [2020-10-09 11:05:13,443 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-09 11:05:14,651 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2020-10-09 11:05:14,767 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-09 11:05:14,920 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-09 11:05:15,049 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-09 11:05:15,079 INFO L132 LiptonReduction]: Checked pairs total: 28441 [2020-10-09 11:05:15,079 INFO L134 LiptonReduction]: Total number of compositions: 125 [2020-10-09 11:05:15,086 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 76 transitions, 194 flow [2020-10-09 11:05:15,372 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4685 states. [2020-10-09 11:05:15,375 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states. [2020-10-09 11:05:15,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-09 11:05:15,394 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:15,395 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:15,395 INFO L429 AbstractCegarLoop]: === Iteration 1 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:15,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:15,403 INFO L82 PathProgramCache]: Analyzing trace with hash -826932197, now seen corresponding path program 1 times [2020-10-09 11:05:15,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:15,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130090614] [2020-10-09 11:05:15,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:15,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:15,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130090614] [2020-10-09 11:05:15,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:15,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:05:15,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539849647] [2020-10-09 11:05:15,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 11:05:15,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:15,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 11:05:15,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:05:15,753 INFO L87 Difference]: Start difference. First operand 4685 states. Second operand 3 states. [2020-10-09 11:05:15,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:15,970 INFO L93 Difference]: Finished difference Result 5823 states and 21672 transitions. [2020-10-09 11:05:15,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 11:05:15,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-09 11:05:15,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:16,062 INFO L225 Difference]: With dead ends: 5823 [2020-10-09 11:05:16,062 INFO L226 Difference]: Without dead ends: 4979 [2020-10-09 11:05:16,064 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:05:16,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4979 states. [2020-10-09 11:05:16,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4979 to 4442. [2020-10-09 11:05:16,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4442 states. [2020-10-09 11:05:16,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 17172 transitions. [2020-10-09 11:05:16,440 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 17172 transitions. Word has length 12 [2020-10-09 11:05:16,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:16,448 INFO L481 AbstractCegarLoop]: Abstraction has 4442 states and 17172 transitions. [2020-10-09 11:05:16,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 11:05:16,449 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 17172 transitions. [2020-10-09 11:05:16,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-09 11:05:16,454 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:16,454 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:16,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-09 11:05:16,454 INFO L429 AbstractCegarLoop]: === Iteration 2 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:16,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:16,455 INFO L82 PathProgramCache]: Analyzing trace with hash 140173334, now seen corresponding path program 1 times [2020-10-09 11:05:16,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:16,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700479319] [2020-10-09 11:05:16,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:16,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:16,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700479319] [2020-10-09 11:05:16,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:16,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-09 11:05:16,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152023499] [2020-10-09 11:05:16,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 11:05:16,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:16,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 11:05:16,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:05:16,600 INFO L87 Difference]: Start difference. First operand 4442 states and 17172 transitions. Second operand 3 states. [2020-10-09 11:05:16,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:16,695 INFO L93 Difference]: Finished difference Result 4347 states and 16799 transitions. [2020-10-09 11:05:16,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 11:05:16,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-09 11:05:16,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:16,742 INFO L225 Difference]: With dead ends: 4347 [2020-10-09 11:05:16,743 INFO L226 Difference]: Without dead ends: 4347 [2020-10-09 11:05:16,744 INFO L673 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 [2020-10-09 11:05:16,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4347 states. [2020-10-09 11:05:16,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4347 to 4347. [2020-10-09 11:05:16,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4347 states. [2020-10-09 11:05:16,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 16799 transitions. [2020-10-09 11:05:16,929 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 16799 transitions. Word has length 13 [2020-10-09 11:05:16,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:16,929 INFO L481 AbstractCegarLoop]: Abstraction has 4347 states and 16799 transitions. [2020-10-09 11:05:16,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 11:05:16,929 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 16799 transitions. [2020-10-09 11:05:16,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-09 11:05:16,932 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:16,932 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:16,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-09 11:05:16,933 INFO L429 AbstractCegarLoop]: === Iteration 3 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:16,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:16,933 INFO L82 PathProgramCache]: Analyzing trace with hash 140173181, now seen corresponding path program 1 times [2020-10-09 11:05:16,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:16,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015185042] [2020-10-09 11:05:16,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:16,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:16,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015185042] [2020-10-09 11:05:16,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:16,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-09 11:05:17,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883623678] [2020-10-09 11:05:17,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 11:05:17,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:17,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 11:05:17,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:05:17,001 INFO L87 Difference]: Start difference. First operand 4347 states and 16799 transitions. Second operand 3 states. [2020-10-09 11:05:17,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:17,069 INFO L93 Difference]: Finished difference Result 4252 states and 16426 transitions. [2020-10-09 11:05:17,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 11:05:17,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-09 11:05:17,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:17,106 INFO L225 Difference]: With dead ends: 4252 [2020-10-09 11:05:17,107 INFO L226 Difference]: Without dead ends: 4252 [2020-10-09 11:05:17,107 INFO L673 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 [2020-10-09 11:05:17,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4252 states. [2020-10-09 11:05:17,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4252 to 4252. [2020-10-09 11:05:17,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4252 states. [2020-10-09 11:05:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 4252 states and 16426 transitions. [2020-10-09 11:05:17,251 INFO L78 Accepts]: Start accepts. Automaton has 4252 states and 16426 transitions. Word has length 13 [2020-10-09 11:05:17,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:17,252 INFO L481 AbstractCegarLoop]: Abstraction has 4252 states and 16426 transitions. [2020-10-09 11:05:17,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 11:05:17,252 INFO L276 IsEmpty]: Start isEmpty. Operand 4252 states and 16426 transitions. [2020-10-09 11:05:17,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-09 11:05:17,258 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:17,258 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:17,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-09 11:05:17,258 INFO L429 AbstractCegarLoop]: === Iteration 4 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:17,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:17,259 INFO L82 PathProgramCache]: Analyzing trace with hash 816585883, now seen corresponding path program 1 times [2020-10-09 11:05:17,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:17,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092117283] [2020-10-09 11:05:17,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:17,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:17,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092117283] [2020-10-09 11:05:17,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:17,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 11:05:17,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058217047] [2020-10-09 11:05:17,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 11:05:17,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:17,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 11:05:17,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:05:17,288 INFO L87 Difference]: Start difference. First operand 4252 states and 16426 transitions. Second operand 3 states. [2020-10-09 11:05:17,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:17,363 INFO L93 Difference]: Finished difference Result 4406 states and 16453 transitions. [2020-10-09 11:05:17,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 11:05:17,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-09 11:05:17,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:17,384 INFO L225 Difference]: With dead ends: 4406 [2020-10-09 11:05:17,384 INFO L226 Difference]: Without dead ends: 4404 [2020-10-09 11:05:17,384 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:05:17,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4404 states. [2020-10-09 11:05:17,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4404 to 4338. [2020-10-09 11:05:17,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4338 states. [2020-10-09 11:05:17,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4338 states to 4338 states and 16249 transitions. [2020-10-09 11:05:17,621 INFO L78 Accepts]: Start accepts. Automaton has 4338 states and 16249 transitions. Word has length 17 [2020-10-09 11:05:17,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:17,622 INFO L481 AbstractCegarLoop]: Abstraction has 4338 states and 16249 transitions. [2020-10-09 11:05:17,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 11:05:17,622 INFO L276 IsEmpty]: Start isEmpty. Operand 4338 states and 16249 transitions. [2020-10-09 11:05:17,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-09 11:05:17,628 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:17,628 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:17,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-09 11:05:17,628 INFO L429 AbstractCegarLoop]: === Iteration 5 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:17,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:17,629 INFO L82 PathProgramCache]: Analyzing trace with hash -2055196038, now seen corresponding path program 1 times [2020-10-09 11:05:17,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:17,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180739535] [2020-10-09 11:05:17,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:17,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:17,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180739535] [2020-10-09 11:05:17,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:17,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-09 11:05:17,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470072963] [2020-10-09 11:05:17,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-09 11:05:17,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:17,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-09 11:05:17,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-09 11:05:17,696 INFO L87 Difference]: Start difference. First operand 4338 states and 16249 transitions. Second operand 6 states. [2020-10-09 11:05:17,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:17,975 INFO L93 Difference]: Finished difference Result 5317 states and 19476 transitions. [2020-10-09 11:05:17,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-09 11:05:17,975 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-09 11:05:17,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:17,999 INFO L225 Difference]: With dead ends: 5317 [2020-10-09 11:05:17,999 INFO L226 Difference]: Without dead ends: 5317 [2020-10-09 11:05:17,999 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-09 11:05:18,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5317 states. [2020-10-09 11:05:18,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5317 to 4749. [2020-10-09 11:05:18,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4749 states. [2020-10-09 11:05:18,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4749 states to 4749 states and 17702 transitions. [2020-10-09 11:05:18,183 INFO L78 Accepts]: Start accepts. Automaton has 4749 states and 17702 transitions. Word has length 17 [2020-10-09 11:05:18,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:18,184 INFO L481 AbstractCegarLoop]: Abstraction has 4749 states and 17702 transitions. [2020-10-09 11:05:18,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-09 11:05:18,184 INFO L276 IsEmpty]: Start isEmpty. Operand 4749 states and 17702 transitions. [2020-10-09 11:05:18,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-09 11:05:18,195 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:18,195 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:18,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-09 11:05:18,195 INFO L429 AbstractCegarLoop]: === Iteration 6 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:18,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:18,196 INFO L82 PathProgramCache]: Analyzing trace with hash 181191796, now seen corresponding path program 2 times [2020-10-09 11:05:18,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:18,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649068167] [2020-10-09 11:05:18,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:18,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:18,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649068167] [2020-10-09 11:05:18,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:18,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:05:18,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035452783] [2020-10-09 11:05:18,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:05:18,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:18,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:05:18,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:05:18,289 INFO L87 Difference]: Start difference. First operand 4749 states and 17702 transitions. Second operand 5 states. [2020-10-09 11:05:18,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:18,442 INFO L93 Difference]: Finished difference Result 6512 states and 23578 transitions. [2020-10-09 11:05:18,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 11:05:18,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-09 11:05:18,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:18,465 INFO L225 Difference]: With dead ends: 6512 [2020-10-09 11:05:18,466 INFO L226 Difference]: Without dead ends: 6512 [2020-10-09 11:05:18,466 INFO L673 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 [2020-10-09 11:05:18,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6512 states. [2020-10-09 11:05:18,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6512 to 6473. [2020-10-09 11:05:18,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6473 states. [2020-10-09 11:05:18,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6473 states to 6473 states and 23511 transitions. [2020-10-09 11:05:18,666 INFO L78 Accepts]: Start accepts. Automaton has 6473 states and 23511 transitions. Word has length 17 [2020-10-09 11:05:18,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:18,666 INFO L481 AbstractCegarLoop]: Abstraction has 6473 states and 23511 transitions. [2020-10-09 11:05:18,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:05:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 6473 states and 23511 transitions. [2020-10-09 11:05:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-09 11:05:18,674 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:18,674 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:18,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-09 11:05:18,675 INFO L429 AbstractCegarLoop]: === Iteration 7 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:18,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:18,675 INFO L82 PathProgramCache]: Analyzing trace with hash 443281263, now seen corresponding path program 1 times [2020-10-09 11:05:18,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:18,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505630363] [2020-10-09 11:05:18,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:18,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505630363] [2020-10-09 11:05:18,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:18,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 11:05:18,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860897727] [2020-10-09 11:05:18,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 11:05:18,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:18,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 11:05:18,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-09 11:05:18,714 INFO L87 Difference]: Start difference. First operand 6473 states and 23511 transitions. Second operand 4 states. [2020-10-09 11:05:18,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:18,928 INFO L93 Difference]: Finished difference Result 9062 states and 31848 transitions. [2020-10-09 11:05:18,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 11:05:18,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-09 11:05:18,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:18,942 INFO L225 Difference]: With dead ends: 9062 [2020-10-09 11:05:18,942 INFO L226 Difference]: Without dead ends: 4826 [2020-10-09 11:05:18,943 INFO L673 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 [2020-10-09 11:05:18,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2020-10-09 11:05:19,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 4787. [2020-10-09 11:05:19,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4787 states. [2020-10-09 11:05:19,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4787 states to 4787 states and 15798 transitions. [2020-10-09 11:05:19,078 INFO L78 Accepts]: Start accepts. Automaton has 4787 states and 15798 transitions. Word has length 17 [2020-10-09 11:05:19,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:19,078 INFO L481 AbstractCegarLoop]: Abstraction has 4787 states and 15798 transitions. [2020-10-09 11:05:19,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 11:05:19,078 INFO L276 IsEmpty]: Start isEmpty. Operand 4787 states and 15798 transitions. [2020-10-09 11:05:19,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-09 11:05:19,084 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:19,084 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:19,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-09 11:05:19,085 INFO L429 AbstractCegarLoop]: === Iteration 8 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:19,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:19,086 INFO L82 PathProgramCache]: Analyzing trace with hash -60740080, now seen corresponding path program 1 times [2020-10-09 11:05:19,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:19,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330551995] [2020-10-09 11:05:19,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:19,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:19,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330551995] [2020-10-09 11:05:19,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:19,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 11:05:19,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822559397] [2020-10-09 11:05:19,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 11:05:19,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:19,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 11:05:19,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:05:19,142 INFO L87 Difference]: Start difference. First operand 4787 states and 15798 transitions. Second operand 3 states. [2020-10-09 11:05:19,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:19,181 INFO L93 Difference]: Finished difference Result 4787 states and 15703 transitions. [2020-10-09 11:05:19,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 11:05:19,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-09 11:05:19,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:19,192 INFO L225 Difference]: With dead ends: 4787 [2020-10-09 11:05:19,193 INFO L226 Difference]: Without dead ends: 3413 [2020-10-09 11:05:19,197 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:05:19,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2020-10-09 11:05:19,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 2769. [2020-10-09 11:05:19,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2769 states. [2020-10-09 11:05:19,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 8888 transitions. [2020-10-09 11:05:19,265 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 8888 transitions. Word has length 19 [2020-10-09 11:05:19,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:19,266 INFO L481 AbstractCegarLoop]: Abstraction has 2769 states and 8888 transitions. [2020-10-09 11:05:19,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 11:05:19,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 8888 transitions. [2020-10-09 11:05:19,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-09 11:05:19,270 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:19,270 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:19,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-09 11:05:19,271 INFO L429 AbstractCegarLoop]: === Iteration 9 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:19,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:19,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1627364503, now seen corresponding path program 1 times [2020-10-09 11:05:19,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:19,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256574164] [2020-10-09 11:05:19,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:19,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256574164] [2020-10-09 11:05:19,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:19,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 11:05:19,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357809056] [2020-10-09 11:05:19,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 11:05:19,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:19,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 11:05:19,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:05:19,320 INFO L87 Difference]: Start difference. First operand 2769 states and 8888 transitions. Second operand 3 states. [2020-10-09 11:05:19,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:19,349 INFO L93 Difference]: Finished difference Result 2769 states and 8816 transitions. [2020-10-09 11:05:19,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 11:05:19,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-09 11:05:19,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:19,354 INFO L225 Difference]: With dead ends: 2769 [2020-10-09 11:05:19,355 INFO L226 Difference]: Without dead ends: 1364 [2020-10-09 11:05:19,355 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:05:19,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2020-10-09 11:05:19,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1218. [2020-10-09 11:05:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-10-09 11:05:19,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 3285 transitions. [2020-10-09 11:05:19,382 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 3285 transitions. Word has length 19 [2020-10-09 11:05:19,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:19,384 INFO L481 AbstractCegarLoop]: Abstraction has 1218 states and 3285 transitions. [2020-10-09 11:05:19,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 11:05:19,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 3285 transitions. [2020-10-09 11:05:19,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-09 11:05:19,387 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:19,387 INFO L421 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] [2020-10-09 11:05:19,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-09 11:05:19,387 INFO L429 AbstractCegarLoop]: === Iteration 10 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:19,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:19,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1178946213, now seen corresponding path program 1 times [2020-10-09 11:05:19,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:19,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039643619] [2020-10-09 11:05:19,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:19,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:19,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039643619] [2020-10-09 11:05:19,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:19,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:05:19,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719285215] [2020-10-09 11:05:19,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 11:05:19,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:19,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 11:05:19,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:05:19,424 INFO L87 Difference]: Start difference. First operand 1218 states and 3285 transitions. Second operand 3 states. [2020-10-09 11:05:19,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:19,459 INFO L93 Difference]: Finished difference Result 1506 states and 3996 transitions. [2020-10-09 11:05:19,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 11:05:19,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-09 11:05:19,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:19,464 INFO L225 Difference]: With dead ends: 1506 [2020-10-09 11:05:19,465 INFO L226 Difference]: Without dead ends: 1506 [2020-10-09 11:05:19,465 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:05:19,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2020-10-09 11:05:19,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1258. [2020-10-09 11:05:19,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1258 states. [2020-10-09 11:05:19,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 3388 transitions. [2020-10-09 11:05:19,492 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 3388 transitions. Word has length 22 [2020-10-09 11:05:19,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:19,493 INFO L481 AbstractCegarLoop]: Abstraction has 1258 states and 3388 transitions. [2020-10-09 11:05:19,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 11:05:19,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 3388 transitions. [2020-10-09 11:05:19,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-09 11:05:19,496 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:19,496 INFO L421 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] [2020-10-09 11:05:19,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-09 11:05:19,496 INFO L429 AbstractCegarLoop]: === Iteration 11 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:19,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:19,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1178947143, now seen corresponding path program 1 times [2020-10-09 11:05:19,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:19,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895851132] [2020-10-09 11:05:19,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:19,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895851132] [2020-10-09 11:05:19,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:19,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-09 11:05:19,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884632484] [2020-10-09 11:05:19,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:05:19,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:19,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:05:19,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:05:19,537 INFO L87 Difference]: Start difference. First operand 1258 states and 3388 transitions. Second operand 5 states. [2020-10-09 11:05:19,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:19,646 INFO L93 Difference]: Finished difference Result 1646 states and 4241 transitions. [2020-10-09 11:05:19,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 11:05:19,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-09 11:05:19,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:19,652 INFO L225 Difference]: With dead ends: 1646 [2020-10-09 11:05:19,652 INFO L226 Difference]: Without dead ends: 1586 [2020-10-09 11:05:19,653 INFO L673 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 [2020-10-09 11:05:19,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2020-10-09 11:05:19,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1300. [2020-10-09 11:05:19,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1300 states. [2020-10-09 11:05:19,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 3501 transitions. [2020-10-09 11:05:19,681 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 3501 transitions. Word has length 22 [2020-10-09 11:05:19,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:19,681 INFO L481 AbstractCegarLoop]: Abstraction has 1300 states and 3501 transitions. [2020-10-09 11:05:19,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:05:19,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 3501 transitions. [2020-10-09 11:05:19,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-09 11:05:19,684 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:19,684 INFO L421 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] [2020-10-09 11:05:19,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-09 11:05:19,685 INFO L429 AbstractCegarLoop]: === Iteration 12 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:19,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:19,685 INFO L82 PathProgramCache]: Analyzing trace with hash 412208202, now seen corresponding path program 1 times [2020-10-09 11:05:19,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:19,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795271655] [2020-10-09 11:05:19,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:19,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795271655] [2020-10-09 11:05:19,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:19,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 11:05:19,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918491498] [2020-10-09 11:05:19,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 11:05:19,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:19,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 11:05:19,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:05:19,717 INFO L87 Difference]: Start difference. First operand 1300 states and 3501 transitions. Second operand 3 states. [2020-10-09 11:05:19,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:19,739 INFO L93 Difference]: Finished difference Result 914 states and 2299 transitions. [2020-10-09 11:05:19,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 11:05:19,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-09 11:05:19,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:19,741 INFO L225 Difference]: With dead ends: 914 [2020-10-09 11:05:19,741 INFO L226 Difference]: Without dead ends: 914 [2020-10-09 11:05:19,742 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:05:19,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-10-09 11:05:19,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 862. [2020-10-09 11:05:19,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-10-09 11:05:19,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 2223 transitions. [2020-10-09 11:05:19,757 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 2223 transitions. Word has length 22 [2020-10-09 11:05:19,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:19,758 INFO L481 AbstractCegarLoop]: Abstraction has 862 states and 2223 transitions. [2020-10-09 11:05:19,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 11:05:19,758 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 2223 transitions. [2020-10-09 11:05:19,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-09 11:05:19,760 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:19,761 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:19,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-09 11:05:19,761 INFO L429 AbstractCegarLoop]: === Iteration 13 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:19,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:19,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1525455808, now seen corresponding path program 1 times [2020-10-09 11:05:19,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:19,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490296529] [2020-10-09 11:05:19,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:19,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:19,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490296529] [2020-10-09 11:05:19,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:19,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-09 11:05:19,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047050629] [2020-10-09 11:05:19,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:05:19,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:19,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:05:19,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:05:19,805 INFO L87 Difference]: Start difference. First operand 862 states and 2223 transitions. Second operand 5 states. [2020-10-09 11:05:19,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:19,886 INFO L93 Difference]: Finished difference Result 919 states and 2443 transitions. [2020-10-09 11:05:19,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-09 11:05:19,887 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-09 11:05:19,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:19,889 INFO L225 Difference]: With dead ends: 919 [2020-10-09 11:05:19,890 INFO L226 Difference]: Without dead ends: 908 [2020-10-09 11:05:19,890 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-09 11:05:19,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-10-09 11:05:19,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 851. [2020-10-09 11:05:19,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 851 states. [2020-10-09 11:05:19,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 2188 transitions. [2020-10-09 11:05:19,906 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 2188 transitions. Word has length 23 [2020-10-09 11:05:19,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:19,906 INFO L481 AbstractCegarLoop]: Abstraction has 851 states and 2188 transitions. [2020-10-09 11:05:19,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:05:19,907 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 2188 transitions. [2020-10-09 11:05:19,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-09 11:05:19,909 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:19,909 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:19,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-09 11:05:19,909 INFO L429 AbstractCegarLoop]: === Iteration 14 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:19,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:19,910 INFO L82 PathProgramCache]: Analyzing trace with hash -930235892, now seen corresponding path program 1 times [2020-10-09 11:05:19,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:19,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178726127] [2020-10-09 11:05:19,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:19,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178726127] [2020-10-09 11:05:19,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:19,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-09 11:05:19,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396750638] [2020-10-09 11:05:19,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-09 11:05:19,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:19,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-09 11:05:19,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-09 11:05:19,985 INFO L87 Difference]: Start difference. First operand 851 states and 2188 transitions. Second operand 8 states. [2020-10-09 11:05:20,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:20,336 INFO L93 Difference]: Finished difference Result 1011 states and 2580 transitions. [2020-10-09 11:05:20,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-09 11:05:20,337 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-10-09 11:05:20,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:20,339 INFO L225 Difference]: With dead ends: 1011 [2020-10-09 11:05:20,339 INFO L226 Difference]: Without dead ends: 1000 [2020-10-09 11:05:20,339 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2020-10-09 11:05:20,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2020-10-09 11:05:20,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 874. [2020-10-09 11:05:20,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2020-10-09 11:05:20,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 2218 transitions. [2020-10-09 11:05:20,360 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 2218 transitions. Word has length 23 [2020-10-09 11:05:20,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:20,360 INFO L481 AbstractCegarLoop]: Abstraction has 874 states and 2218 transitions. [2020-10-09 11:05:20,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-09 11:05:20,360 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 2218 transitions. [2020-10-09 11:05:20,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-09 11:05:20,362 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:20,363 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:20,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-09 11:05:20,363 INFO L429 AbstractCegarLoop]: === Iteration 15 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:20,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:20,364 INFO L82 PathProgramCache]: Analyzing trace with hash 88029372, now seen corresponding path program 2 times [2020-10-09 11:05:20,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:20,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047529838] [2020-10-09 11:05:20,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:20,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:20,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047529838] [2020-10-09 11:05:20,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:20,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-09 11:05:20,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634958680] [2020-10-09 11:05:20,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-09 11:05:20,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:20,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-09 11:05:20,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-09 11:05:20,573 INFO L87 Difference]: Start difference. First operand 874 states and 2218 transitions. Second operand 9 states. [2020-10-09 11:05:21,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:21,184 INFO L93 Difference]: Finished difference Result 944 states and 2445 transitions. [2020-10-09 11:05:21,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-09 11:05:21,185 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-09 11:05:21,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:21,190 INFO L225 Difference]: With dead ends: 944 [2020-10-09 11:05:21,190 INFO L226 Difference]: Without dead ends: 944 [2020-10-09 11:05:21,193 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-10-09 11:05:21,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2020-10-09 11:05:21,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 825. [2020-10-09 11:05:21,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2020-10-09 11:05:21,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 2111 transitions. [2020-10-09 11:05:21,214 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 2111 transitions. Word has length 23 [2020-10-09 11:05:21,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:21,215 INFO L481 AbstractCegarLoop]: Abstraction has 825 states and 2111 transitions. [2020-10-09 11:05:21,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-09 11:05:21,215 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 2111 transitions. [2020-10-09 11:05:21,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-09 11:05:21,216 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:21,217 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:21,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-09 11:05:21,217 INFO L429 AbstractCegarLoop]: === Iteration 16 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:21,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:21,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1259864773, now seen corresponding path program 1 times [2020-10-09 11:05:21,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:21,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764046602] [2020-10-09 11:05:21,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:21,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:21,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764046602] [2020-10-09 11:05:21,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:21,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-09 11:05:21,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309226925] [2020-10-09 11:05:21,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-09 11:05:21,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:21,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-09 11:05:21,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-09 11:05:21,365 INFO L87 Difference]: Start difference. First operand 825 states and 2111 transitions. Second operand 9 states. [2020-10-09 11:05:21,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:21,900 INFO L93 Difference]: Finished difference Result 1139 states and 2886 transitions. [2020-10-09 11:05:21,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-09 11:05:21,902 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-09 11:05:21,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:21,904 INFO L225 Difference]: With dead ends: 1139 [2020-10-09 11:05:21,905 INFO L226 Difference]: Without dead ends: 1139 [2020-10-09 11:05:21,905 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2020-10-09 11:05:21,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2020-10-09 11:05:21,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 916. [2020-10-09 11:05:21,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2020-10-09 11:05:21,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 2352 transitions. [2020-10-09 11:05:21,925 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 2352 transitions. Word has length 23 [2020-10-09 11:05:21,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:21,925 INFO L481 AbstractCegarLoop]: Abstraction has 916 states and 2352 transitions. [2020-10-09 11:05:21,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-09 11:05:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 2352 transitions. [2020-10-09 11:05:21,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-09 11:05:21,927 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:21,927 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:21,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-09 11:05:21,928 INFO L429 AbstractCegarLoop]: === Iteration 17 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:21,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:21,928 INFO L82 PathProgramCache]: Analyzing trace with hash 903980331, now seen corresponding path program 2 times [2020-10-09 11:05:21,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:21,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342206215] [2020-10-09 11:05:21,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:22,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:22,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342206215] [2020-10-09 11:05:22,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:22,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-09 11:05:22,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873220362] [2020-10-09 11:05:22,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-09 11:05:22,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:22,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-09 11:05:22,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-09 11:05:22,026 INFO L87 Difference]: Start difference. First operand 916 states and 2352 transitions. Second operand 9 states. [2020-10-09 11:05:22,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:22,642 INFO L93 Difference]: Finished difference Result 958 states and 2533 transitions. [2020-10-09 11:05:22,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-09 11:05:22,643 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-09 11:05:22,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:22,644 INFO L225 Difference]: With dead ends: 958 [2020-10-09 11:05:22,644 INFO L226 Difference]: Without dead ends: 958 [2020-10-09 11:05:22,645 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-10-09 11:05:22,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2020-10-09 11:05:22,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 800. [2020-10-09 11:05:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2020-10-09 11:05:22,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 2051 transitions. [2020-10-09 11:05:22,660 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 2051 transitions. Word has length 23 [2020-10-09 11:05:22,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:22,660 INFO L481 AbstractCegarLoop]: Abstraction has 800 states and 2051 transitions. [2020-10-09 11:05:22,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-09 11:05:22,660 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 2051 transitions. [2020-10-09 11:05:22,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-09 11:05:22,662 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:22,662 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:22,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-09 11:05:22,663 INFO L429 AbstractCegarLoop]: === Iteration 18 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:22,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:22,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1146557510, now seen corresponding path program 1 times [2020-10-09 11:05:22,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:22,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913382931] [2020-10-09 11:05:22,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:22,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:22,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913382931] [2020-10-09 11:05:22,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:22,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:05:22,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541784464] [2020-10-09 11:05:22,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 11:05:22,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:22,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 11:05:22,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-09 11:05:22,702 INFO L87 Difference]: Start difference. First operand 800 states and 2051 transitions. Second operand 4 states. [2020-10-09 11:05:22,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:22,754 INFO L93 Difference]: Finished difference Result 947 states and 2484 transitions. [2020-10-09 11:05:22,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 11:05:22,755 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-09 11:05:22,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:22,756 INFO L225 Difference]: With dead ends: 947 [2020-10-09 11:05:22,757 INFO L226 Difference]: Without dead ends: 901 [2020-10-09 11:05:22,757 INFO L673 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 [2020-10-09 11:05:22,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-10-09 11:05:22,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 762. [2020-10-09 11:05:22,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2020-10-09 11:05:22,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1946 transitions. [2020-10-09 11:05:22,773 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1946 transitions. Word has length 28 [2020-10-09 11:05:22,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:22,773 INFO L481 AbstractCegarLoop]: Abstraction has 762 states and 1946 transitions. [2020-10-09 11:05:22,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 11:05:22,773 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1946 transitions. [2020-10-09 11:05:22,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-09 11:05:22,775 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:22,775 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:22,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-09 11:05:22,775 INFO L429 AbstractCegarLoop]: === Iteration 19 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:22,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:22,776 INFO L82 PathProgramCache]: Analyzing trace with hash 899824519, now seen corresponding path program 1 times [2020-10-09 11:05:22,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:22,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859164530] [2020-10-09 11:05:22,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:22,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:22,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859164530] [2020-10-09 11:05:22,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:22,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-09 11:05:22,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232256267] [2020-10-09 11:05:22,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 11:05:22,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:22,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 11:05:22,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:05:22,834 INFO L87 Difference]: Start difference. First operand 762 states and 1946 transitions. Second operand 7 states. [2020-10-09 11:05:23,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:23,099 INFO L93 Difference]: Finished difference Result 836 states and 2163 transitions. [2020-10-09 11:05:23,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-09 11:05:23,100 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-09 11:05:23,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:23,102 INFO L225 Difference]: With dead ends: 836 [2020-10-09 11:05:23,102 INFO L226 Difference]: Without dead ends: 739 [2020-10-09 11:05:23,103 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-09 11:05:23,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2020-10-09 11:05:23,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 690. [2020-10-09 11:05:23,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2020-10-09 11:05:23,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1772 transitions. [2020-10-09 11:05:23,120 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1772 transitions. Word has length 28 [2020-10-09 11:05:23,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:23,121 INFO L481 AbstractCegarLoop]: Abstraction has 690 states and 1772 transitions. [2020-10-09 11:05:23,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 11:05:23,121 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1772 transitions. [2020-10-09 11:05:23,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-09 11:05:23,123 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:23,124 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:23,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-09 11:05:23,124 INFO L429 AbstractCegarLoop]: === Iteration 20 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:23,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:23,125 INFO L82 PathProgramCache]: Analyzing trace with hash 418390647, now seen corresponding path program 2 times [2020-10-09 11:05:23,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:23,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092113034] [2020-10-09 11:05:23,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:23,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:23,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092113034] [2020-10-09 11:05:23,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:23,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-09 11:05:23,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755748985] [2020-10-09 11:05:23,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 11:05:23,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:23,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 11:05:23,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:05:23,225 INFO L87 Difference]: Start difference. First operand 690 states and 1772 transitions. Second operand 7 states. [2020-10-09 11:05:23,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:23,416 INFO L93 Difference]: Finished difference Result 884 states and 2325 transitions. [2020-10-09 11:05:23,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-09 11:05:23,417 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-09 11:05:23,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:23,418 INFO L225 Difference]: With dead ends: 884 [2020-10-09 11:05:23,419 INFO L226 Difference]: Without dead ends: 741 [2020-10-09 11:05:23,419 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-09 11:05:23,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-10-09 11:05:23,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 632. [2020-10-09 11:05:23,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-10-09 11:05:23,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 1625 transitions. [2020-10-09 11:05:23,432 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 1625 transitions. Word has length 28 [2020-10-09 11:05:23,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:23,433 INFO L481 AbstractCegarLoop]: Abstraction has 632 states and 1625 transitions. [2020-10-09 11:05:23,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 11:05:23,433 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1625 transitions. [2020-10-09 11:05:23,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-09 11:05:23,434 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:23,434 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:23,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-09 11:05:23,435 INFO L429 AbstractCegarLoop]: === Iteration 21 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:23,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:23,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1685908442, now seen corresponding path program 1 times [2020-10-09 11:05:23,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:23,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215933492] [2020-10-09 11:05:23,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:23,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:23,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215933492] [2020-10-09 11:05:23,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:23,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-09 11:05:23,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053049660] [2020-10-09 11:05:23,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 11:05:23,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:23,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 11:05:23,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:05:23,512 INFO L87 Difference]: Start difference. First operand 632 states and 1625 transitions. Second operand 7 states. [2020-10-09 11:05:23,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:23,678 INFO L93 Difference]: Finished difference Result 695 states and 1850 transitions. [2020-10-09 11:05:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-09 11:05:23,678 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-09 11:05:23,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:23,679 INFO L225 Difference]: With dead ends: 695 [2020-10-09 11:05:23,680 INFO L226 Difference]: Without dead ends: 600 [2020-10-09 11:05:23,680 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-09 11:05:23,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-10-09 11:05:23,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 562. [2020-10-09 11:05:23,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-10-09 11:05:23,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 1455 transitions. [2020-10-09 11:05:23,691 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 1455 transitions. Word has length 28 [2020-10-09 11:05:23,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:23,693 INFO L481 AbstractCegarLoop]: Abstraction has 562 states and 1455 transitions. [2020-10-09 11:05:23,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 11:05:23,693 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1455 transitions. [2020-10-09 11:05:23,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-09 11:05:23,694 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:23,694 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:23,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-09 11:05:23,694 INFO L429 AbstractCegarLoop]: === Iteration 22 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:23,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:23,695 INFO L82 PathProgramCache]: Analyzing trace with hash -686866746, now seen corresponding path program 2 times [2020-10-09 11:05:23,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:23,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36712526] [2020-10-09 11:05:23,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:23,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:23,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36712526] [2020-10-09 11:05:23,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:23,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-09 11:05:23,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300713678] [2020-10-09 11:05:23,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 11:05:23,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:23,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 11:05:23,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:05:23,806 INFO L87 Difference]: Start difference. First operand 562 states and 1455 transitions. Second operand 7 states. [2020-10-09 11:05:24,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:24,020 INFO L93 Difference]: Finished difference Result 759 states and 2045 transitions. [2020-10-09 11:05:24,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-09 11:05:24,020 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-09 11:05:24,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:24,021 INFO L225 Difference]: With dead ends: 759 [2020-10-09 11:05:24,021 INFO L226 Difference]: Without dead ends: 538 [2020-10-09 11:05:24,022 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-09 11:05:24,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-10-09 11:05:24,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 464. [2020-10-09 11:05:24,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-10-09 11:05:24,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1177 transitions. [2020-10-09 11:05:24,033 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1177 transitions. Word has length 28 [2020-10-09 11:05:24,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:24,033 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 1177 transitions. [2020-10-09 11:05:24,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 11:05:24,033 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1177 transitions. [2020-10-09 11:05:24,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-09 11:05:24,034 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:24,034 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:24,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-09 11:05:24,035 INFO L429 AbstractCegarLoop]: === Iteration 23 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:24,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:24,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1554648590, now seen corresponding path program 3 times [2020-10-09 11:05:24,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:24,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831148723] [2020-10-09 11:05:24,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:24,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:24,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831148723] [2020-10-09 11:05:24,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:24,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-09 11:05:24,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64187542] [2020-10-09 11:05:24,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 11:05:24,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:24,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 11:05:24,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:05:24,155 INFO L87 Difference]: Start difference. First operand 464 states and 1177 transitions. Second operand 7 states. [2020-10-09 11:05:24,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:24,343 INFO L93 Difference]: Finished difference Result 538 states and 1357 transitions. [2020-10-09 11:05:24,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-09 11:05:24,343 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-09 11:05:24,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:24,344 INFO L225 Difference]: With dead ends: 538 [2020-10-09 11:05:24,344 INFO L226 Difference]: Without dead ends: 453 [2020-10-09 11:05:24,345 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-09 11:05:24,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2020-10-09 11:05:24,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 401. [2020-10-09 11:05:24,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-10-09 11:05:24,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 993 transitions. [2020-10-09 11:05:24,353 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 993 transitions. Word has length 28 [2020-10-09 11:05:24,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:24,353 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 993 transitions. [2020-10-09 11:05:24,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 11:05:24,353 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 993 transitions. [2020-10-09 11:05:24,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-09 11:05:24,354 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:24,354 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:24,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-09 11:05:24,354 INFO L429 AbstractCegarLoop]: === Iteration 24 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:24,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:24,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1316107438, now seen corresponding path program 4 times [2020-10-09 11:05:24,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:24,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515576562] [2020-10-09 11:05:24,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:24,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:24,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515576562] [2020-10-09 11:05:24,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:24,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-09 11:05:24,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762777399] [2020-10-09 11:05:24,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 11:05:24,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:24,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 11:05:24,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-09 11:05:24,383 INFO L87 Difference]: Start difference. First operand 401 states and 993 transitions. Second operand 4 states. [2020-10-09 11:05:24,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:24,424 INFO L93 Difference]: Finished difference Result 409 states and 1021 transitions. [2020-10-09 11:05:24,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-09 11:05:24,425 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-09 11:05:24,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:24,426 INFO L225 Difference]: With dead ends: 409 [2020-10-09 11:05:24,426 INFO L226 Difference]: Without dead ends: 401 [2020-10-09 11:05:24,426 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:05:24,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-09 11:05:24,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 393. [2020-10-09 11:05:24,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-10-09 11:05:24,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 965 transitions. [2020-10-09 11:05:24,434 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 965 transitions. Word has length 28 [2020-10-09 11:05:24,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:24,434 INFO L481 AbstractCegarLoop]: Abstraction has 393 states and 965 transitions. [2020-10-09 11:05:24,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 11:05:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 965 transitions. [2020-10-09 11:05:24,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-09 11:05:24,435 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:24,436 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:24,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-09 11:05:24,436 INFO L429 AbstractCegarLoop]: === Iteration 25 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:24,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:24,436 INFO L82 PathProgramCache]: Analyzing trace with hash -148672596, now seen corresponding path program 1 times [2020-10-09 11:05:24,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:24,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280645213] [2020-10-09 11:05:24,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:24,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:24,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280645213] [2020-10-09 11:05:24,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:24,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-09 11:05:24,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538606867] [2020-10-09 11:05:24,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-09 11:05:24,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:24,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-09 11:05:24,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-09 11:05:24,478 INFO L87 Difference]: Start difference. First operand 393 states and 965 transitions. Second operand 6 states. [2020-10-09 11:05:24,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:24,591 INFO L93 Difference]: Finished difference Result 415 states and 1058 transitions. [2020-10-09 11:05:24,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 11:05:24,592 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-09 11:05:24,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:24,593 INFO L225 Difference]: With dead ends: 415 [2020-10-09 11:05:24,593 INFO L226 Difference]: Without dead ends: 269 [2020-10-09 11:05:24,593 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-09 11:05:24,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-10-09 11:05:24,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 237. [2020-10-09 11:05:24,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-10-09 11:05:24,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 587 transitions. [2020-10-09 11:05:24,599 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 587 transitions. Word has length 28 [2020-10-09 11:05:24,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:24,599 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 587 transitions. [2020-10-09 11:05:24,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-09 11:05:24,600 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 587 transitions. [2020-10-09 11:05:24,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-09 11:05:24,600 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:24,600 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:24,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-09 11:05:24,601 INFO L429 AbstractCegarLoop]: === Iteration 26 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:24,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:24,601 INFO L82 PathProgramCache]: Analyzing trace with hash 962127783, now seen corresponding path program 3 times [2020-10-09 11:05:24,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:24,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166546291] [2020-10-09 11:05:24,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:24,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:24,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166546291] [2020-10-09 11:05:24,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:24,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-09 11:05:24,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485906487] [2020-10-09 11:05:24,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 11:05:24,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:24,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 11:05:24,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:05:24,672 INFO L87 Difference]: Start difference. First operand 237 states and 587 transitions. Second operand 7 states. [2020-10-09 11:05:24,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:24,825 INFO L93 Difference]: Finished difference Result 303 states and 753 transitions. [2020-10-09 11:05:24,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-09 11:05:24,826 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-09 11:05:24,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:24,826 INFO L225 Difference]: With dead ends: 303 [2020-10-09 11:05:24,827 INFO L226 Difference]: Without dead ends: 230 [2020-10-09 11:05:24,827 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-09 11:05:24,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-09 11:05:24,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 180. [2020-10-09 11:05:24,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-09 11:05:24,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 438 transitions. [2020-10-09 11:05:24,832 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 438 transitions. Word has length 28 [2020-10-09 11:05:24,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:24,832 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 438 transitions. [2020-10-09 11:05:24,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 11:05:24,832 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 438 transitions. [2020-10-09 11:05:24,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-09 11:05:24,833 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:05:24,833 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:05:24,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-09 11:05:24,833 INFO L429 AbstractCegarLoop]: === Iteration 27 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:05:24,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:05:24,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1602322120, now seen corresponding path program 2 times [2020-10-09 11:05:24,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:05:24,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091233268] [2020-10-09 11:05:24,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:05:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:05:24,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:05:24,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091233268] [2020-10-09 11:05:24,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:05:24,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-09 11:05:24,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52796253] [2020-10-09 11:05:24,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-09 11:05:24,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:05:24,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-09 11:05:24,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-09 11:05:24,885 INFO L87 Difference]: Start difference. First operand 180 states and 438 transitions. Second operand 6 states. [2020-10-09 11:05:24,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:05:24,980 INFO L93 Difference]: Finished difference Result 172 states and 454 transitions. [2020-10-09 11:05:24,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 11:05:24,981 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-09 11:05:24,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:05:24,981 INFO L225 Difference]: With dead ends: 172 [2020-10-09 11:05:24,981 INFO L226 Difference]: Without dead ends: 0 [2020-10-09 11:05:24,982 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-09 11:05:24,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-09 11:05:24,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-09 11:05:24,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-09 11:05:24,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-09 11:05:24,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-10-09 11:05:24,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:05:24,983 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-09 11:05:24,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-09 11:05:24,983 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-09 11:05:24,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-09 11:05:24,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-09 11:05:24,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.10 11:05:24 BasicIcfg [2020-10-09 11:05:24,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-09 11:05:24,989 INFO L168 Benchmark]: Toolchain (without parser) took 16807.98 ms. Allocated memory was 250.1 MB in the beginning and 718.8 MB in the end (delta: 468.7 MB). Free memory was 206.0 MB in the beginning and 265.8 MB in the end (delta: -59.8 MB). Peak memory consumption was 408.9 MB. Max. memory is 14.2 GB. [2020-10-09 11:05:24,990 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 11:05:24,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.48 ms. Allocated memory was 250.1 MB in the beginning and 310.4 MB in the end (delta: 60.3 MB). Free memory was 206.0 MB in the beginning and 260.9 MB in the end (delta: -54.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.2 GB. [2020-10-09 11:05:24,991 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.36 ms. Allocated memory is still 310.4 MB. Free memory was 260.9 MB in the beginning and 258.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 11:05:24,991 INFO L168 Benchmark]: Boogie Preprocessor took 39.09 ms. Allocated memory is still 310.4 MB. Free memory was 258.4 MB in the beginning and 255.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 11:05:24,992 INFO L168 Benchmark]: RCFGBuilder took 1259.76 ms. Allocated memory was 310.4 MB in the beginning and 356.5 MB in the end (delta: 46.1 MB). Free memory was 255.9 MB in the beginning and 313.6 MB in the end (delta: -57.6 MB). Peak memory consumption was 99.4 MB. Max. memory is 14.2 GB. [2020-10-09 11:05:24,993 INFO L168 Benchmark]: TraceAbstraction took 14635.02 ms. Allocated memory was 356.5 MB in the beginning and 718.8 MB in the end (delta: 362.3 MB). Free memory was 313.6 MB in the beginning and 265.8 MB in the end (delta: 47.7 MB). Peak memory consumption was 410.0 MB. Max. memory is 14.2 GB. [2020-10-09 11:05:24,995 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 801.48 ms. Allocated memory was 250.1 MB in the beginning and 310.4 MB in the end (delta: 60.3 MB). Free memory was 206.0 MB in the beginning and 260.9 MB in the end (delta: -54.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 67.36 ms. Allocated memory is still 310.4 MB. Free memory was 260.9 MB in the beginning and 258.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 39.09 ms. Allocated memory is still 310.4 MB. Free memory was 258.4 MB in the beginning and 255.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 1259.76 ms. Allocated memory was 310.4 MB in the beginning and 356.5 MB in the end (delta: 46.1 MB). Free memory was 255.9 MB in the beginning and 313.6 MB in the end (delta: -57.6 MB). Peak memory consumption was 99.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 14635.02 ms. Allocated memory was 356.5 MB in the beginning and 718.8 MB in the end (delta: 362.3 MB). Free memory was 313.6 MB in the beginning and 265.8 MB in the end (delta: 47.7 MB). Peak memory consumption was 410.0 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 7130 VarBasedMoverChecksPositive, 152 VarBasedMoverChecksNegative, 37 SemBasedMoverChecksPositive, 115 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.0s, 1186 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.5s, 157 PlacesBefore, 66 PlacesAfterwards, 171 TransitionsBefore, 76 TransitionsAfterwards, 10120 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 4 ChoiceCompositions, 125 TotalNumberOfCompositions, 28441 MoverChecksTotal - PositiveResult [Line: 701]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 708]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 148 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.4s, OverallIterations: 27, TraceHistogramMax: 1, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 2091 SDtfs, 2589 SDslu, 4024 SDs, 0 SdLazy, 3117 SolverSat, 309 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6473occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 27 MinimizatonAttempts, 3859 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 605 NumberOfCodeBlocks, 605 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 55710 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...