/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-10 17:32:01,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-10 17:32:01,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-10 17:32:01,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-10 17:32:01,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-10 17:32:01,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-10 17:32:01,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-10 17:32:01,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-03-10 17:32:01,434 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-10 17:32:01,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-10 17:32:01,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-10 17:32:01,435 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-10 17:32:01,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-10 17:32:01,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-10 17:32:01,437 INFO L138 SettingsManager]: * Use SBE=true [2021-03-10 17:32:01,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-10 17:32:01,437 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-10 17:32:01,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-10 17:32:01,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-10 17:32:01,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-10 17:32:01,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-10 17:32:01,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-10 17:32:01,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-10 17:32:01,438 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-10 17:32:01,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-10 17:32:01,439 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-10 17:32:01,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-10 17:32:01,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-10 17:32:01,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-10 17:32:01,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-10 17:32:01,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-10 17:32:01,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-10 17:32:01,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-10 17:32:01,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-10 17:32:01,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-10 17:32:01,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-10 17:32:01,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-10 17:32:01,440 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-10 17:32:01,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-10 17:32:01,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-10 17:32:01,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-10 17:32:01,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-10 17:32:01,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-10 17:32:01,735 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-10 17:32:01,735 INFO L275 PluginConnector]: CDTParser initialized [2021-03-10 17:32:01,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i [2021-03-10 17:32:01,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2d8ed01/0fb87718b0444862a740f84aff35ee4d/FLAG0c414639b [2021-03-10 17:32:02,160 INFO L306 CDTParser]: Found 1 translation units. [2021-03-10 17:32:02,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i [2021-03-10 17:32:02,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2d8ed01/0fb87718b0444862a740f84aff35ee4d/FLAG0c414639b [2021-03-10 17:32:02,505 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2d8ed01/0fb87718b0444862a740f84aff35ee4d [2021-03-10 17:32:02,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-10 17:32:02,510 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-10 17:32:02,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-10 17:32:02,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-10 17:32:02,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-10 17:32:02,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.03 05:32:02" (1/1) ... [2021-03-10 17:32:02,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f70504d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 05:32:02, skipping insertion in model container [2021-03-10 17:32:02,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.03 05:32:02" (1/1) ... [2021-03-10 17:32:02,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-10 17:32:02,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-10 17:32:02,653 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i[950,963] [2021-03-10 17:32:02,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-10 17:32:02,818 INFO L203 MainTranslator]: Completed pre-run [2021-03-10 17:32:02,826 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i[950,963] [2021-03-10 17:32:02,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-10 17:32:02,906 INFO L208 MainTranslator]: Completed translation [2021-03-10 17:32:02,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 05:32:02 WrapperNode [2021-03-10 17:32:02,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-10 17:32:02,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-10 17:32:02,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-10 17:32:02,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-10 17:32:02,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 05:32:02" (1/1) ... [2021-03-10 17:32:02,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 05:32:02" (1/1) ... [2021-03-10 17:32:02,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-10 17:32:02,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-10 17:32:02,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-10 17:32:02,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-10 17:32:02,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 05:32:02" (1/1) ... [2021-03-10 17:32:02,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 05:32:02" (1/1) ... [2021-03-10 17:32:02,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 05:32:02" (1/1) ... [2021-03-10 17:32:02,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 05:32:02" (1/1) ... [2021-03-10 17:32:02,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 05:32:02" (1/1) ... [2021-03-10 17:32:02,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 05:32:02" (1/1) ... [2021-03-10 17:32:02,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 05:32:02" (1/1) ... [2021-03-10 17:32:02,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-10 17:32:02,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-10 17:32:02,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-10 17:32:02,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-10 17:32:02,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 05:32:02" (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 [2021-03-10 17:32:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-10 17:32:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-10 17:32:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-10 17:32:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-10 17:32:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-10 17:32:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-10 17:32:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-10 17:32:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-10 17:32:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-10 17:32:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-10 17:32:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-10 17:32:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-10 17:32:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-10 17:32:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-10 17:32:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-10 17:32:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-10 17:32:03,001 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-10 17:32:03,315 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-10 17:32:03,315 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-10 17:32:03,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.03 05:32:03 BoogieIcfgContainer [2021-03-10 17:32:03,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-10 17:32:03,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-10 17:32:03,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-10 17:32:03,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-10 17:32:03,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.03 05:32:02" (1/3) ... [2021-03-10 17:32:03,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4beef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.03 05:32:03, skipping insertion in model container [2021-03-10 17:32:03,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 05:32:02" (2/3) ... [2021-03-10 17:32:03,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4beef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.03 05:32:03, skipping insertion in model container [2021-03-10 17:32:03,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.03 05:32:03" (3/3) ... [2021-03-10 17:32:03,321 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc.i [2021-03-10 17:32:03,325 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-10 17:32:03,325 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-10 17:32:03,331 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-10 17:32:03,333 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-10 17:32:03,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,357 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,358 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,358 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,358 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,359 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,359 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,359 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,359 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,360 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,360 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,361 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,361 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,362 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,362 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,362 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,362 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,364 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,364 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,369 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,369 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,369 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,369 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,376 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,376 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,380 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,380 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 17:32:03,381 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-10 17:32:03,392 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-10 17:32:03,405 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-10 17:32:03,405 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-10 17:32:03,405 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-10 17:32:03,405 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-10 17:32:03,405 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-10 17:32:03,405 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-10 17:32:03,405 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-10 17:32:03,405 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-10 17:32:03,412 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 97 places, 86 transitions, 192 flow [2021-03-10 17:32:09,338 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 49020 states, 49018 states have (on average 4.388510343139255) internal successors, (215116), 49019 states have internal predecessors, (215116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:09,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 49020 states, 49018 states have (on average 4.388510343139255) internal successors, (215116), 49019 states have internal predecessors, (215116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:09,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-03-10 17:32:09,496 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 17:32:09,497 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 17:32:09,497 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 17:32:09,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 17:32:09,501 INFO L82 PathProgramCache]: Analyzing trace with hash 117794534, now seen corresponding path program 1 times [2021-03-10 17:32:09,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 17:32:09,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295229820] [2021-03-10 17:32:09,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 17:32:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 17:32:09,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 17:32:09,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295229820] [2021-03-10 17:32:09,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 17:32:09,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-10 17:32:09,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116502036] [2021-03-10 17:32:09,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-10 17:32:09,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 17:32:09,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-10 17:32:09,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-10 17:32:09,880 INFO L87 Difference]: Start difference. First operand has 49020 states, 49018 states have (on average 4.388510343139255) internal successors, (215116), 49019 states have internal predecessors, (215116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:10,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 17:32:10,563 INFO L93 Difference]: Finished difference Result 66408 states and 285208 transitions. [2021-03-10 17:32:10,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-10 17:32:10,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-03-10 17:32:10,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 17:32:10,698 INFO L225 Difference]: With dead ends: 66408 [2021-03-10 17:32:10,698 INFO L226 Difference]: Without dead ends: 21300 [2021-03-10 17:32:10,699 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 106.5ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-03-10 17:32:11,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21300 states. [2021-03-10 17:32:11,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21300 to 21300. [2021-03-10 17:32:11,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21300 states, 21299 states have (on average 4.212216535987605) internal successors, (89716), 21299 states have internal predecessors, (89716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:11,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21300 states to 21300 states and 89716 transitions. [2021-03-10 17:32:11,967 INFO L78 Accepts]: Start accepts. Automaton has 21300 states and 89716 transitions. Word has length 44 [2021-03-10 17:32:11,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 17:32:11,969 INFO L480 AbstractCegarLoop]: Abstraction has 21300 states and 89716 transitions. [2021-03-10 17:32:11,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:11,969 INFO L276 IsEmpty]: Start isEmpty. Operand 21300 states and 89716 transitions. [2021-03-10 17:32:11,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-03-10 17:32:11,994 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 17:32:11,994 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 17:32:11,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-10 17:32:11,995 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 17:32:11,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 17:32:11,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1196148409, now seen corresponding path program 1 times [2021-03-10 17:32:11,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 17:32:11,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516072440] [2021-03-10 17:32:11,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 17:32:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 17:32:12,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 17:32:12,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516072440] [2021-03-10 17:32:12,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 17:32:12,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-10 17:32:12,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138051573] [2021-03-10 17:32:12,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-10 17:32:12,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 17:32:12,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-10 17:32:12,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-10 17:32:12,114 INFO L87 Difference]: Start difference. First operand 21300 states and 89716 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:12,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 17:32:12,710 INFO L93 Difference]: Finished difference Result 44856 states and 186816 transitions. [2021-03-10 17:32:12,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-10 17:32:12,711 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-03-10 17:32:12,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 17:32:13,035 INFO L225 Difference]: With dead ends: 44856 [2021-03-10 17:32:13,035 INFO L226 Difference]: Without dead ends: 31896 [2021-03-10 17:32:13,048 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 287.7ms TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2021-03-10 17:32:13,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31896 states. [2021-03-10 17:32:13,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31896 to 26424. [2021-03-10 17:32:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26424 states, 26423 states have (on average 4.162888392688188) internal successors, (109996), 26423 states have internal predecessors, (109996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:13,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26424 states to 26424 states and 109996 transitions. [2021-03-10 17:32:13,869 INFO L78 Accepts]: Start accepts. Automaton has 26424 states and 109996 transitions. Word has length 46 [2021-03-10 17:32:13,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 17:32:13,869 INFO L480 AbstractCegarLoop]: Abstraction has 26424 states and 109996 transitions. [2021-03-10 17:32:13,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:13,869 INFO L276 IsEmpty]: Start isEmpty. Operand 26424 states and 109996 transitions. [2021-03-10 17:32:14,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-03-10 17:32:14,051 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 17:32:14,051 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 17:32:14,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-10 17:32:14,052 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 17:32:14,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 17:32:14,052 INFO L82 PathProgramCache]: Analyzing trace with hash -29327456, now seen corresponding path program 1 times [2021-03-10 17:32:14,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 17:32:14,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289931765] [2021-03-10 17:32:14,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 17:32:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 17:32:14,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 17:32:14,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289931765] [2021-03-10 17:32:14,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 17:32:14,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-10 17:32:14,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635048139] [2021-03-10 17:32:14,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-10 17:32:14,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 17:32:14,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-10 17:32:14,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-10 17:32:14,230 INFO L87 Difference]: Start difference. First operand 26424 states and 109996 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:14,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 17:32:14,578 INFO L93 Difference]: Finished difference Result 37504 states and 154120 transitions. [2021-03-10 17:32:14,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-10 17:32:14,579 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-03-10 17:32:14,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 17:32:14,676 INFO L225 Difference]: With dead ends: 37504 [2021-03-10 17:32:14,676 INFO L226 Difference]: Without dead ends: 29616 [2021-03-10 17:32:14,677 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 136.4ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-03-10 17:32:14,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29616 states. [2021-03-10 17:32:15,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29616 to 24900. [2021-03-10 17:32:15,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24900 states, 24899 states have (on average 4.146752881641833) internal successors, (103250), 24899 states have internal predecessors, (103250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:15,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24900 states to 24900 states and 103250 transitions. [2021-03-10 17:32:15,589 INFO L78 Accepts]: Start accepts. Automaton has 24900 states and 103250 transitions. Word has length 48 [2021-03-10 17:32:15,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 17:32:15,590 INFO L480 AbstractCegarLoop]: Abstraction has 24900 states and 103250 transitions. [2021-03-10 17:32:15,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:15,590 INFO L276 IsEmpty]: Start isEmpty. Operand 24900 states and 103250 transitions. [2021-03-10 17:32:15,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-03-10 17:32:15,624 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 17:32:15,624 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 17:32:15,624 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-10 17:32:15,624 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 17:32:15,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 17:32:15,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1798634874, now seen corresponding path program 1 times [2021-03-10 17:32:15,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 17:32:15,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963697881] [2021-03-10 17:32:15,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 17:32:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 17:32:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 17:32:15,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963697881] [2021-03-10 17:32:15,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 17:32:15,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-10 17:32:15,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778440565] [2021-03-10 17:32:15,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-10 17:32:15,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 17:32:15,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-10 17:32:15,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-10 17:32:15,740 INFO L87 Difference]: Start difference. First operand 24900 states and 103250 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:16,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 17:32:16,216 INFO L93 Difference]: Finished difference Result 38972 states and 159496 transitions. [2021-03-10 17:32:16,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-10 17:32:16,217 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-03-10 17:32:16,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 17:32:16,273 INFO L225 Difference]: With dead ends: 38972 [2021-03-10 17:32:16,273 INFO L226 Difference]: Without dead ends: 20312 [2021-03-10 17:32:16,273 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 134.5ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-03-10 17:32:16,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20312 states. [2021-03-10 17:32:16,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20312 to 17624. [2021-03-10 17:32:16,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17624 states, 17623 states have (on average 4.054814730749588) internal successors, (71458), 17623 states have internal predecessors, (71458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17624 states to 17624 states and 71458 transitions. [2021-03-10 17:32:16,790 INFO L78 Accepts]: Start accepts. Automaton has 17624 states and 71458 transitions. Word has length 48 [2021-03-10 17:32:16,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 17:32:16,790 INFO L480 AbstractCegarLoop]: Abstraction has 17624 states and 71458 transitions. [2021-03-10 17:32:16,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:16,791 INFO L276 IsEmpty]: Start isEmpty. Operand 17624 states and 71458 transitions. [2021-03-10 17:32:16,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-03-10 17:32:16,819 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 17:32:16,819 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 17:32:16,819 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-10 17:32:16,819 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 17:32:16,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 17:32:16,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1452665303, now seen corresponding path program 1 times [2021-03-10 17:32:16,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 17:32:16,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127883732] [2021-03-10 17:32:16,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 17:32:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 17:32:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 17:32:16,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127883732] [2021-03-10 17:32:16,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 17:32:16,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-10 17:32:16,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141155190] [2021-03-10 17:32:16,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-10 17:32:16,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 17:32:16,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-10 17:32:16,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-10 17:32:16,906 INFO L87 Difference]: Start difference. First operand 17624 states and 71458 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:17,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 17:32:17,082 INFO L93 Difference]: Finished difference Result 18904 states and 76242 transitions. [2021-03-10 17:32:17,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-10 17:32:17,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-03-10 17:32:17,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 17:32:17,127 INFO L225 Difference]: With dead ends: 18904 [2021-03-10 17:32:17,128 INFO L226 Difference]: Without dead ends: 16664 [2021-03-10 17:32:17,128 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 71.4ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-03-10 17:32:17,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16664 states. [2021-03-10 17:32:17,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16664 to 15768. [2021-03-10 17:32:17,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15768 states, 15767 states have (on average 4.036912538846959) internal successors, (63650), 15767 states have internal predecessors, (63650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:17,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15768 states to 15768 states and 63650 transitions. [2021-03-10 17:32:17,608 INFO L78 Accepts]: Start accepts. Automaton has 15768 states and 63650 transitions. Word has length 50 [2021-03-10 17:32:17,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 17:32:17,609 INFO L480 AbstractCegarLoop]: Abstraction has 15768 states and 63650 transitions. [2021-03-10 17:32:17,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:17,609 INFO L276 IsEmpty]: Start isEmpty. Operand 15768 states and 63650 transitions. [2021-03-10 17:32:17,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-03-10 17:32:17,632 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 17:32:17,632 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 17:32:17,632 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-10 17:32:17,632 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 17:32:17,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 17:32:17,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1341204016, now seen corresponding path program 1 times [2021-03-10 17:32:17,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 17:32:17,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729706802] [2021-03-10 17:32:17,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 17:32:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 17:32:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 17:32:17,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729706802] [2021-03-10 17:32:17,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 17:32:17,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-10 17:32:17,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726069753] [2021-03-10 17:32:17,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-10 17:32:17,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 17:32:17,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-10 17:32:17,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-10 17:32:17,688 INFO L87 Difference]: Start difference. First operand 15768 states and 63650 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:17,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 17:32:17,967 INFO L93 Difference]: Finished difference Result 30808 states and 122818 transitions. [2021-03-10 17:32:17,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-10 17:32:17,967 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-03-10 17:32:17,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 17:32:18,006 INFO L225 Difference]: With dead ends: 30808 [2021-03-10 17:32:18,006 INFO L226 Difference]: Without dead ends: 15992 [2021-03-10 17:32:18,006 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 134.5ms TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2021-03-10 17:32:18,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15992 states. [2021-03-10 17:32:18,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15992 to 12920. [2021-03-10 17:32:18,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12920 states, 12919 states have (on average 3.974456227262172) internal successors, (51346), 12919 states have internal predecessors, (51346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:18,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12920 states to 12920 states and 51346 transitions. [2021-03-10 17:32:18,447 INFO L78 Accepts]: Start accepts. Automaton has 12920 states and 51346 transitions. Word has length 51 [2021-03-10 17:32:18,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 17:32:18,447 INFO L480 AbstractCegarLoop]: Abstraction has 12920 states and 51346 transitions. [2021-03-10 17:32:18,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:18,447 INFO L276 IsEmpty]: Start isEmpty. Operand 12920 states and 51346 transitions. [2021-03-10 17:32:18,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-03-10 17:32:18,464 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 17:32:18,465 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 17:32:18,465 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-10 17:32:18,465 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 17:32:18,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 17:32:18,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1041427222, now seen corresponding path program 1 times [2021-03-10 17:32:18,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 17:32:18,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544995002] [2021-03-10 17:32:18,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 17:32:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 17:32:18,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 17:32:18,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544995002] [2021-03-10 17:32:18,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 17:32:18,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-10 17:32:18,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613204595] [2021-03-10 17:32:18,534 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-10 17:32:18,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 17:32:18,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-10 17:32:18,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-10 17:32:18,534 INFO L87 Difference]: Start difference. First operand 12920 states and 51346 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:18,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 17:32:18,676 INFO L93 Difference]: Finished difference Result 19000 states and 75270 transitions. [2021-03-10 17:32:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-10 17:32:18,677 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-03-10 17:32:18,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 17:32:18,701 INFO L225 Difference]: With dead ends: 19000 [2021-03-10 17:32:18,701 INFO L226 Difference]: Without dead ends: 9900 [2021-03-10 17:32:18,701 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 66.7ms TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-03-10 17:32:18,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9900 states. [2021-03-10 17:32:18,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9900 to 9900. [2021-03-10 17:32:18,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9900 states, 9899 states have (on average 3.9381755732902315) internal successors, (38984), 9899 states have internal predecessors, (38984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:19,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9900 states to 9900 states and 38984 transitions. [2021-03-10 17:32:19,049 INFO L78 Accepts]: Start accepts. Automaton has 9900 states and 38984 transitions. Word has length 52 [2021-03-10 17:32:19,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 17:32:19,049 INFO L480 AbstractCegarLoop]: Abstraction has 9900 states and 38984 transitions. [2021-03-10 17:32:19,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:19,049 INFO L276 IsEmpty]: Start isEmpty. Operand 9900 states and 38984 transitions. [2021-03-10 17:32:19,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-03-10 17:32:19,063 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 17:32:19,063 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 17:32:19,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-10 17:32:19,063 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 17:32:19,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 17:32:19,064 INFO L82 PathProgramCache]: Analyzing trace with hash 332835552, now seen corresponding path program 2 times [2021-03-10 17:32:19,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 17:32:19,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652388263] [2021-03-10 17:32:19,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 17:32:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 17:32:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 17:32:19,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652388263] [2021-03-10 17:32:19,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 17:32:19,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-10 17:32:19,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090989408] [2021-03-10 17:32:19,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-10 17:32:19,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 17:32:19,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-10 17:32:19,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-10 17:32:19,133 INFO L87 Difference]: Start difference. First operand 9900 states and 38984 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:19,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 17:32:19,270 INFO L93 Difference]: Finished difference Result 13652 states and 53188 transitions. [2021-03-10 17:32:19,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-10 17:32:19,270 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-03-10 17:32:19,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 17:32:19,292 INFO L225 Difference]: With dead ends: 13652 [2021-03-10 17:32:19,292 INFO L226 Difference]: Without dead ends: 9556 [2021-03-10 17:32:19,292 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 60.6ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-03-10 17:32:19,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9556 states. [2021-03-10 17:32:19,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9556 to 9556. [2021-03-10 17:32:19,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9556 states, 9555 states have (on average 3.918785975928833) internal successors, (37444), 9555 states have internal predecessors, (37444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:19,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9556 states to 9556 states and 37444 transitions. [2021-03-10 17:32:19,468 INFO L78 Accepts]: Start accepts. Automaton has 9556 states and 37444 transitions. Word has length 52 [2021-03-10 17:32:19,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 17:32:19,468 INFO L480 AbstractCegarLoop]: Abstraction has 9556 states and 37444 transitions. [2021-03-10 17:32:19,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:19,468 INFO L276 IsEmpty]: Start isEmpty. Operand 9556 states and 37444 transitions. [2021-03-10 17:32:19,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-03-10 17:32:19,481 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 17:32:19,481 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 17:32:19,481 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-10 17:32:19,481 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 17:32:19,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 17:32:19,482 INFO L82 PathProgramCache]: Analyzing trace with hash -309184454, now seen corresponding path program 1 times [2021-03-10 17:32:19,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 17:32:19,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257714199] [2021-03-10 17:32:19,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 17:32:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 17:32:19,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 17:32:19,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257714199] [2021-03-10 17:32:19,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 17:32:19,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-10 17:32:19,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217216193] [2021-03-10 17:32:19,534 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-10 17:32:19,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 17:32:19,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-10 17:32:19,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-10 17:32:19,534 INFO L87 Difference]: Start difference. First operand 9556 states and 37444 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:19,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 17:32:19,666 INFO L93 Difference]: Finished difference Result 11980 states and 46119 transitions. [2021-03-10 17:32:19,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-10 17:32:19,666 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-03-10 17:32:19,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 17:32:19,686 INFO L225 Difference]: With dead ends: 11980 [2021-03-10 17:32:19,686 INFO L226 Difference]: Without dead ends: 8140 [2021-03-10 17:32:19,686 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 65.9ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-03-10 17:32:19,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8140 states. [2021-03-10 17:32:19,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8140 to 8140. [2021-03-10 17:32:19,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8140 states, 8139 states have (on average 3.8421181963386166) internal successors, (31271), 8139 states have internal predecessors, (31271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8140 states to 8140 states and 31271 transitions. [2021-03-10 17:32:19,973 INFO L78 Accepts]: Start accepts. Automaton has 8140 states and 31271 transitions. Word has length 53 [2021-03-10 17:32:19,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 17:32:19,973 INFO L480 AbstractCegarLoop]: Abstraction has 8140 states and 31271 transitions. [2021-03-10 17:32:19,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:19,973 INFO L276 IsEmpty]: Start isEmpty. Operand 8140 states and 31271 transitions. [2021-03-10 17:32:19,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-03-10 17:32:19,984 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 17:32:19,984 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 17:32:19,984 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-10 17:32:19,984 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 17:32:19,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 17:32:19,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1654841013, now seen corresponding path program 1 times [2021-03-10 17:32:19,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 17:32:19,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571175578] [2021-03-10 17:32:19,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 17:32:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 17:32:20,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 17:32:20,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571175578] [2021-03-10 17:32:20,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 17:32:20,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-10 17:32:20,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594233232] [2021-03-10 17:32:20,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-10 17:32:20,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 17:32:20,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-10 17:32:20,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-10 17:32:20,044 INFO L87 Difference]: Start difference. First operand 8140 states and 31271 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:20,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 17:32:20,197 INFO L93 Difference]: Finished difference Result 8473 states and 31769 transitions. [2021-03-10 17:32:20,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-10 17:32:20,197 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-03-10 17:32:20,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 17:32:20,210 INFO L225 Difference]: With dead ends: 8473 [2021-03-10 17:32:20,210 INFO L226 Difference]: Without dead ends: 5593 [2021-03-10 17:32:20,210 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 91.2ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-03-10 17:32:20,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5593 states. [2021-03-10 17:32:20,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5593 to 5593. [2021-03-10 17:32:20,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5593 states, 5592 states have (on average 3.6988555078683834) internal successors, (20684), 5592 states have internal predecessors, (20684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:20,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5593 states to 5593 states and 20684 transitions. [2021-03-10 17:32:20,321 INFO L78 Accepts]: Start accepts. Automaton has 5593 states and 20684 transitions. Word has length 54 [2021-03-10 17:32:20,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 17:32:20,321 INFO L480 AbstractCegarLoop]: Abstraction has 5593 states and 20684 transitions. [2021-03-10 17:32:20,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:20,321 INFO L276 IsEmpty]: Start isEmpty. Operand 5593 states and 20684 transitions. [2021-03-10 17:32:20,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-03-10 17:32:20,329 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 17:32:20,329 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 17:32:20,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-10 17:32:20,329 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 17:32:20,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 17:32:20,329 INFO L82 PathProgramCache]: Analyzing trace with hash 170498356, now seen corresponding path program 1 times [2021-03-10 17:32:20,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 17:32:20,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124555450] [2021-03-10 17:32:20,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 17:32:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 17:32:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 17:32:20,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124555450] [2021-03-10 17:32:20,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 17:32:20,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-10 17:32:20,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574446589] [2021-03-10 17:32:20,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-10 17:32:20,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 17:32:20,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-10 17:32:20,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-10 17:32:20,397 INFO L87 Difference]: Start difference. First operand 5593 states and 20684 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:20,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 17:32:20,497 INFO L93 Difference]: Finished difference Result 7408 states and 27099 transitions. [2021-03-10 17:32:20,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-10 17:32:20,497 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-03-10 17:32:20,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 17:32:20,506 INFO L225 Difference]: With dead ends: 7408 [2021-03-10 17:32:20,506 INFO L226 Difference]: Without dead ends: 4010 [2021-03-10 17:32:20,506 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 71.9ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-03-10 17:32:20,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4010 states. [2021-03-10 17:32:20,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4010 to 3524. [2021-03-10 17:32:20,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3524 states, 3523 states have (on average 3.5200113539596933) internal successors, (12401), 3523 states have internal predecessors, (12401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:20,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3524 states to 3524 states and 12401 transitions. [2021-03-10 17:32:20,574 INFO L78 Accepts]: Start accepts. Automaton has 3524 states and 12401 transitions. Word has length 56 [2021-03-10 17:32:20,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 17:32:20,575 INFO L480 AbstractCegarLoop]: Abstraction has 3524 states and 12401 transitions. [2021-03-10 17:32:20,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:20,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3524 states and 12401 transitions. [2021-03-10 17:32:20,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-03-10 17:32:20,579 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 17:32:20,579 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 17:32:20,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-10 17:32:20,579 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 17:32:20,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 17:32:20,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1491276790, now seen corresponding path program 1 times [2021-03-10 17:32:20,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 17:32:20,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16256133] [2021-03-10 17:32:20,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 17:32:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 17:32:20,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 17:32:20,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16256133] [2021-03-10 17:32:20,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 17:32:20,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-10 17:32:20,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942712368] [2021-03-10 17:32:20,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-10 17:32:20,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 17:32:20,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-10 17:32:20,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-10 17:32:20,668 INFO L87 Difference]: Start difference. First operand 3524 states and 12401 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:20,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 17:32:20,757 INFO L93 Difference]: Finished difference Result 2228 states and 7568 transitions. [2021-03-10 17:32:20,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-10 17:32:20,757 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-03-10 17:32:20,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 17:32:20,757 INFO L225 Difference]: With dead ends: 2228 [2021-03-10 17:32:20,757 INFO L226 Difference]: Without dead ends: 0 [2021-03-10 17:32:20,757 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 84.1ms TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-03-10 17:32:20,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-03-10 17:32:20,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-03-10 17:32:20,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:20,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-03-10 17:32:20,758 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-03-10 17:32:20,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 17:32:20,758 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-03-10 17:32:20,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 17:32:20,758 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-03-10 17:32:20,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-03-10 17:32:20,758 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-10 17:32:20,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.03 05:32:20 BasicIcfg [2021-03-10 17:32:20,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-10 17:32:20,762 INFO L168 Benchmark]: Toolchain (without parser) took 18254.75 ms. Allocated memory was 341.8 MB in the beginning and 10.0 GB in the end (delta: 9.6 GB). Free memory was 305.1 MB in the beginning and 8.2 GB in the end (delta: -7.9 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. [2021-03-10 17:32:20,762 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 341.8 MB. Free memory is still 323.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-10 17:32:20,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.54 ms. Allocated memory is still 341.8 MB. Free memory was 304.4 MB in the beginning and 303.5 MB in the end (delta: 933.9 kB). Peak memory consumption was 4.9 MB. Max. memory is 16.0 GB. [2021-03-10 17:32:20,762 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.43 ms. Allocated memory is still 341.8 MB. Free memory was 303.5 MB in the beginning and 301.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-10 17:32:20,766 INFO L168 Benchmark]: Boogie Preprocessor took 14.38 ms. Allocated memory is still 341.8 MB. Free memory was 301.4 MB in the beginning and 300.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-10 17:32:20,767 INFO L168 Benchmark]: RCFGBuilder took 368.47 ms. Allocated memory is still 341.8 MB. Free memory was 300.3 MB in the beginning and 275.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-03-10 17:32:20,768 INFO L168 Benchmark]: TraceAbstraction took 17443.89 ms. Allocated memory was 341.8 MB in the beginning and 10.0 GB in the end (delta: 9.6 GB). Free memory was 274.1 MB in the beginning and 8.2 GB in the end (delta: -8.0 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. [2021-03-10 17:32:20,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 341.8 MB. Free memory is still 323.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 395.54 ms. Allocated memory is still 341.8 MB. Free memory was 304.4 MB in the beginning and 303.5 MB in the end (delta: 933.9 kB). Peak memory consumption was 4.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.43 ms. Allocated memory is still 341.8 MB. Free memory was 303.5 MB in the beginning and 301.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.38 ms. Allocated memory is still 341.8 MB. Free memory was 301.4 MB in the beginning and 300.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 368.47 ms. Allocated memory is still 341.8 MB. Free memory was 300.3 MB in the beginning and 275.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 17443.89 ms. Allocated memory was 341.8 MB in the beginning and 10.0 GB in the end (delta: 9.6 GB). Free memory was 274.1 MB in the beginning and 8.2 GB in the end (delta: -8.0 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17355.5ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 515.8ms, AutomataDifference: 4215.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5932.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1391 SDtfs, 2580 SDslu, 4707 SDs, 0 SdLazy, 568 SolverSat, 126 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 362.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 1311.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=49020occurred in iteration=0, InterpolantAutomatonStates: 129, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5418.3ms AutomataMinimizationTime, 12 MinimizatonAttempts, 17330 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 30.8ms SsaConstructionTime, 210.7ms SatisfiabilityAnalysisTime, 856.1ms InterpolantComputationTime, 610 NumberOfCodeBlocks, 610 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 598 ConstructedInterpolants, 0 QuantifiedInterpolants, 1702 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...