/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/safe027_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 00:16:38,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 00:16:38,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 00:16:38,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 00:16:38,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 00:16:38,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 00:16:38,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 00:16:38,150 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 [2021-06-05 00:16:38,177 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 00:16:38,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 00:16:38,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 00:16:38,178 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 00:16:38,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 00:16:38,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 00:16:38,180 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 00:16:38,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 00:16:38,181 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 00:16:38,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 00:16:38,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 00:16:38,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 00:16:38,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 00:16:38,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 00:16:38,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 00:16:38,182 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 00:16:38,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 00:16:38,183 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 00:16:38,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 00:16:38,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 00:16:38,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 00:16:38,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 00:16:38,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 00:16:38,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 00:16:38,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 00:16:38,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 00:16:38,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 00:16:38,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 00:16:38,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 00:16:38,184 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 00:16:38,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 00:16:38,184 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 00:16:38,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 00:16:38,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 00:16:38,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 00:16:38,495 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 00:16:38,496 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 00:16:38,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i [2021-06-05 00:16:38,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec53a2b0/0e22d05f164e4ed8a3a6839a8c3d8fd2/FLAGee870ba7c [2021-06-05 00:16:39,185 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 00:16:39,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i [2021-06-05 00:16:39,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec53a2b0/0e22d05f164e4ed8a3a6839a8c3d8fd2/FLAGee870ba7c [2021-06-05 00:16:39,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec53a2b0/0e22d05f164e4ed8a3a6839a8c3d8fd2 [2021-06-05 00:16:39,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 00:16:39,442 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 00:16:39,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 00:16:39,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 00:16:39,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 00:16:39,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 12:16:39" (1/1) ... [2021-06-05 00:16:39,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5accfa13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:16:39, skipping insertion in model container [2021-06-05 00:16:39,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 12:16:39" (1/1) ... [2021-06-05 00:16:39,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 00:16:39,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 00:16:39,648 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i[949,962] [2021-06-05 00:16:39,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 00:16:39,860 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 00:16:39,870 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i[949,962] [2021-06-05 00:16:39,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 00:16:39,958 INFO L208 MainTranslator]: Completed translation [2021-06-05 00:16:39,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:16:39 WrapperNode [2021-06-05 00:16:39,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 00:16:39,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 00:16:39,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 00:16:39,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 00:16:39,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:16:39" (1/1) ... [2021-06-05 00:16:39,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:16:39" (1/1) ... [2021-06-05 00:16:40,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 00:16:40,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 00:16:40,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 00:16:40,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 00:16:40,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:16:39" (1/1) ... [2021-06-05 00:16:40,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:16:39" (1/1) ... [2021-06-05 00:16:40,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:16:39" (1/1) ... [2021-06-05 00:16:40,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:16:39" (1/1) ... [2021-06-05 00:16:40,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:16:39" (1/1) ... [2021-06-05 00:16:40,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:16:39" (1/1) ... [2021-06-05 00:16:40,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:16:39" (1/1) ... [2021-06-05 00:16:40,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 00:16:40,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 00:16:40,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 00:16:40,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 00:16:40,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:16:39" (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 [2021-06-05 00:16:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 00:16:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-05 00:16:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 00:16:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 00:16:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-05 00:16:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-05 00:16:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-05 00:16:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-05 00:16:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-05 00:16:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-05 00:16:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-05 00:16:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-05 00:16:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 00:16:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-05 00:16:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 00:16:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 00:16:40,146 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 00:16:40,483 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 00:16:40,483 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-05 00:16:40,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 12:16:40 BoogieIcfgContainer [2021-06-05 00:16:40,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 00:16:40,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 00:16:40,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 00:16:40,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 00:16:40,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 12:16:39" (1/3) ... [2021-06-05 00:16:40,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5bee73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 12:16:40, skipping insertion in model container [2021-06-05 00:16:40,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:16:39" (2/3) ... [2021-06-05 00:16:40,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5bee73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 12:16:40, skipping insertion in model container [2021-06-05 00:16:40,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 12:16:40" (3/3) ... [2021-06-05 00:16:40,492 INFO L111 eAbstractionObserver]: Analyzing ICFG safe027_pso.opt.i [2021-06-05 00:16:40,497 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 00:16:40,497 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 00:16:40,497 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 00:16:40,498 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 00:16:40,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,535 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,535 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,536 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,536 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,537 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,537 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,537 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,538 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,540 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,540 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,540 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,540 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,540 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,540 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,540 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,541 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,541 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,541 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,541 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,541 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,542 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,542 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,542 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,542 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,542 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,542 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,543 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,543 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,543 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,543 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,543 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,543 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,545 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,545 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,546 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,546 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,550 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,550 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,552 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,552 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,554 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,555 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,555 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,555 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:16:40,556 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 00:16:40,575 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-05 00:16:40,590 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 00:16:40,590 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 00:16:40,590 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 00:16:40,590 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 00:16:40,590 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 00:16:40,590 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 00:16:40,590 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 00:16:40,591 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 00:16:40,600 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 110 places, 99 transitions, 218 flow [2021-06-05 00:16:46,367 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 51816 states, 51814 states have (on average 4.3685876404060675) internal successors, (226354), 51815 states have internal predecessors, (226354), 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) [2021-06-05 00:16:46,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 51816 states, 51814 states have (on average 4.3685876404060675) internal successors, (226354), 51815 states have internal predecessors, (226354), 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) [2021-06-05 00:16:46,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-06-05 00:16:46,517 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:16:46,517 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:16:46,518 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:16:46,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:16:46,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1244979450, now seen corresponding path program 1 times [2021-06-05 00:16:46,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:16:46,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667214173] [2021-06-05 00:16:46,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:16:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:16:47,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:16:47,210 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:16:47,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667214173] [2021-06-05 00:16:47,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667214173] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:16:47,212 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:16:47,212 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:16:47,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720695045] [2021-06-05 00:16:47,222 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:16:47,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:16:47,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:16:47,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:16:47,314 INFO L87 Difference]: Start difference. First operand has 51816 states, 51814 states have (on average 4.3685876404060675) internal successors, (226354), 51815 states have internal predecessors, (226354), 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 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-06-05 00:16:48,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:16:48,596 INFO L93 Difference]: Finished difference Result 69204 states and 296446 transitions. [2021-06-05 00:16:48,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 00:16:48,598 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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 57 [2021-06-05 00:16:48,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:16:48,904 INFO L225 Difference]: With dead ends: 69204 [2021-06-05 00:16:48,904 INFO L226 Difference]: Without dead ends: 24096 [2021-06-05 00:16:48,905 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 169.5ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-06-05 00:16:49,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24096 states. [2021-06-05 00:16:50,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24096 to 24096. [2021-06-05 00:16:50,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24096 states, 24095 states have (on average 4.189831915335132) internal successors, (100954), 24095 states have internal predecessors, (100954), 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) [2021-06-05 00:16:50,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24096 states to 24096 states and 100954 transitions. [2021-06-05 00:16:50,424 INFO L78 Accepts]: Start accepts. Automaton has 24096 states and 100954 transitions. Word has length 57 [2021-06-05 00:16:50,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:16:50,425 INFO L482 AbstractCegarLoop]: Abstraction has 24096 states and 100954 transitions. [2021-06-05 00:16:50,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-06-05 00:16:50,425 INFO L276 IsEmpty]: Start isEmpty. Operand 24096 states and 100954 transitions. [2021-06-05 00:16:50,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-06-05 00:16:50,673 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:16:50,673 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:16:50,674 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 00:16:50,674 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:16:50,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:16:50,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1340177017, now seen corresponding path program 1 times [2021-06-05 00:16:50,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:16:50,677 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592935902] [2021-06-05 00:16:50,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:16:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:16:50,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:16:50,841 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:16:50,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592935902] [2021-06-05 00:16:50,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592935902] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:16:50,842 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:16:50,842 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:16:50,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547920113] [2021-06-05 00:16:50,843 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:16:50,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:16:50,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:16:50,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:16:50,844 INFO L87 Difference]: Start difference. First operand 24096 states and 100954 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-06-05 00:16:51,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:16:51,613 INFO L93 Difference]: Finished difference Result 31746 states and 132805 transitions. [2021-06-05 00:16:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 00:16:51,614 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 59 [2021-06-05 00:16:51,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:16:51,757 INFO L225 Difference]: With dead ends: 31746 [2021-06-05 00:16:51,758 INFO L226 Difference]: Without dead ends: 25986 [2021-06-05 00:16:51,759 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 281.4ms TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2021-06-05 00:16:51,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25986 states. [2021-06-05 00:16:52,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25986 to 25986. [2021-06-05 00:16:52,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25986 states, 25985 states have (on average 4.194150471425822) internal successors, (108985), 25985 states have internal predecessors, (108985), 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) [2021-06-05 00:16:52,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25986 states to 25986 states and 108985 transitions. [2021-06-05 00:16:52,927 INFO L78 Accepts]: Start accepts. Automaton has 25986 states and 108985 transitions. Word has length 59 [2021-06-05 00:16:52,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:16:52,928 INFO L482 AbstractCegarLoop]: Abstraction has 25986 states and 108985 transitions. [2021-06-05 00:16:52,928 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-06-05 00:16:52,928 INFO L276 IsEmpty]: Start isEmpty. Operand 25986 states and 108985 transitions. [2021-06-05 00:16:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-06-05 00:16:52,992 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:16:52,992 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:16:52,992 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 00:16:52,992 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:16:52,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:16:52,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1653088773, now seen corresponding path program 1 times [2021-06-05 00:16:52,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:16:52,993 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834421245] [2021-06-05 00:16:52,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:16:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:16:53,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:16:53,143 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:16:53,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834421245] [2021-06-05 00:16:53,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834421245] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:16:53,143 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:16:53,143 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:16:53,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179483817] [2021-06-05 00:16:53,144 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:16:53,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:16:53,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:16:53,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:16:53,145 INFO L87 Difference]: Start difference. First operand 25986 states and 108985 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2021-06-05 00:16:53,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:16:53,741 INFO L93 Difference]: Finished difference Result 28674 states and 119409 transitions. [2021-06-05 00:16:53,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 00:16:53,742 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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 60 [2021-06-05 00:16:53,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:16:53,920 INFO L225 Difference]: With dead ends: 28674 [2021-06-05 00:16:53,920 INFO L226 Difference]: Without dead ends: 23970 [2021-06-05 00:16:53,921 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 117.4ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-06-05 00:16:54,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23970 states. [2021-06-05 00:16:54,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23970 to 23586. [2021-06-05 00:16:54,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23586 states, 23585 states have (on average 4.1687937248251) internal successors, (98321), 23585 states have internal predecessors, (98321), 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) [2021-06-05 00:16:54,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23586 states to 23586 states and 98321 transitions. [2021-06-05 00:16:54,850 INFO L78 Accepts]: Start accepts. Automaton has 23586 states and 98321 transitions. Word has length 60 [2021-06-05 00:16:54,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:16:54,850 INFO L482 AbstractCegarLoop]: Abstraction has 23586 states and 98321 transitions. [2021-06-05 00:16:54,850 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2021-06-05 00:16:54,850 INFO L276 IsEmpty]: Start isEmpty. Operand 23586 states and 98321 transitions. [2021-06-05 00:16:54,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-06-05 00:16:54,889 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:16:54,889 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:16:54,890 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 00:16:54,890 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:16:54,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:16:54,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1820782680, now seen corresponding path program 1 times [2021-06-05 00:16:54,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:16:54,891 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021750666] [2021-06-05 00:16:54,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:16:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:16:54,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:16:54,990 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:16:54,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021750666] [2021-06-05 00:16:54,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021750666] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:16:54,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:16:54,990 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 00:16:54,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041438588] [2021-06-05 00:16:54,991 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 00:16:54,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:16:54,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 00:16:54,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-05 00:16:54,991 INFO L87 Difference]: Start difference. First operand 23586 states and 98321 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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) [2021-06-05 00:16:55,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:16:55,303 INFO L93 Difference]: Finished difference Result 32106 states and 133357 transitions. [2021-06-05 00:16:55,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 00:16:55,303 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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 61 [2021-06-05 00:16:55,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:16:55,604 INFO L225 Difference]: With dead ends: 32106 [2021-06-05 00:16:55,605 INFO L226 Difference]: Without dead ends: 15061 [2021-06-05 00:16:55,605 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 136.6ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-05 00:16:55,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15061 states. [2021-06-05 00:16:56,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15061 to 15061. [2021-06-05 00:16:56,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15061 states, 15060 states have (on average 4.10996015936255) internal successors, (61896), 15060 states have internal predecessors, (61896), 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) [2021-06-05 00:16:56,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15061 states to 15061 states and 61896 transitions. [2021-06-05 00:16:56,097 INFO L78 Accepts]: Start accepts. Automaton has 15061 states and 61896 transitions. Word has length 61 [2021-06-05 00:16:56,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:16:56,097 INFO L482 AbstractCegarLoop]: Abstraction has 15061 states and 61896 transitions. [2021-06-05 00:16:56,097 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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) [2021-06-05 00:16:56,097 INFO L276 IsEmpty]: Start isEmpty. Operand 15061 states and 61896 transitions. [2021-06-05 00:16:56,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-06-05 00:16:56,126 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:16:56,126 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:16:56,126 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 00:16:56,128 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:16:56,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:16:56,129 INFO L82 PathProgramCache]: Analyzing trace with hash -723232077, now seen corresponding path program 1 times [2021-06-05 00:16:56,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:16:56,129 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423326956] [2021-06-05 00:16:56,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:16:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:16:56,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:16:56,272 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:16:56,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423326956] [2021-06-05 00:16:56,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423326956] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:16:56,272 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:16:56,273 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:16:56,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76883338] [2021-06-05 00:16:56,274 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:16:56,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:16:56,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:16:56,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:16:56,274 INFO L87 Difference]: Start difference. First operand 15061 states and 61896 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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) [2021-06-05 00:16:56,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:16:56,569 INFO L93 Difference]: Finished difference Result 21661 states and 88146 transitions. [2021-06-05 00:16:56,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 00:16:56,570 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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 63 [2021-06-05 00:16:56,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:16:56,602 INFO L225 Difference]: With dead ends: 21661 [2021-06-05 00:16:56,602 INFO L226 Difference]: Without dead ends: 11161 [2021-06-05 00:16:56,603 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 149.6ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-06-05 00:16:56,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11161 states. [2021-06-05 00:16:57,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11161 to 11161. [2021-06-05 00:16:57,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11161 states, 11160 states have (on average 4.009498207885304) internal successors, (44746), 11160 states have internal predecessors, (44746), 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) [2021-06-05 00:16:57,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11161 states to 11161 states and 44746 transitions. [2021-06-05 00:16:57,179 INFO L78 Accepts]: Start accepts. Automaton has 11161 states and 44746 transitions. Word has length 63 [2021-06-05 00:16:57,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:16:57,179 INFO L482 AbstractCegarLoop]: Abstraction has 11161 states and 44746 transitions. [2021-06-05 00:16:57,180 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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) [2021-06-05 00:16:57,180 INFO L276 IsEmpty]: Start isEmpty. Operand 11161 states and 44746 transitions. [2021-06-05 00:16:57,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-06-05 00:16:57,198 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:16:57,198 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:16:57,198 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 00:16:57,198 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:16:57,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:16:57,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1538860148, now seen corresponding path program 1 times [2021-06-05 00:16:57,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:16:57,199 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922696714] [2021-06-05 00:16:57,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:16:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:16:57,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:16:57,274 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:16:57,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922696714] [2021-06-05 00:16:57,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922696714] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:16:57,275 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:16:57,275 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 00:16:57,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347506219] [2021-06-05 00:16:57,275 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 00:16:57,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:16:57,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 00:16:57,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 00:16:57,276 INFO L87 Difference]: Start difference. First operand 11161 states and 44746 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2021-06-05 00:16:57,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:16:57,437 INFO L93 Difference]: Finished difference Result 14913 states and 59378 transitions. [2021-06-05 00:16:57,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 00:16:57,438 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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 65 [2021-06-05 00:16:57,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:16:57,466 INFO L225 Difference]: With dead ends: 14913 [2021-06-05 00:16:57,467 INFO L226 Difference]: Without dead ends: 10817 [2021-06-05 00:16:57,467 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 82.9ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 00:16:57,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10817 states. [2021-06-05 00:16:57,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10817 to 10817. [2021-06-05 00:16:57,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10817 states, 10816 states have (on average 3.9927884615384617) internal successors, (43186), 10816 states have internal predecessors, (43186), 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) [2021-06-05 00:16:57,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10817 states to 10817 states and 43186 transitions. [2021-06-05 00:16:57,704 INFO L78 Accepts]: Start accepts. Automaton has 10817 states and 43186 transitions. Word has length 65 [2021-06-05 00:16:57,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:16:57,704 INFO L482 AbstractCegarLoop]: Abstraction has 10817 states and 43186 transitions. [2021-06-05 00:16:57,704 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2021-06-05 00:16:57,704 INFO L276 IsEmpty]: Start isEmpty. Operand 10817 states and 43186 transitions. [2021-06-05 00:16:57,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-06-05 00:16:57,896 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:16:57,896 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:16:57,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 00:16:57,896 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:16:57,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:16:57,897 INFO L82 PathProgramCache]: Analyzing trace with hash -190830206, now seen corresponding path program 1 times [2021-06-05 00:16:57,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:16:57,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960811772] [2021-06-05 00:16:57,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:16:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:16:57,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:16:57,990 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:16:57,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960811772] [2021-06-05 00:16:57,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960811772] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:16:57,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:16:57,990 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:16:57,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222669576] [2021-06-05 00:16:57,991 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:16:57,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:16:57,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:16:57,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:16:57,992 INFO L87 Difference]: Start difference. First operand 10817 states and 43186 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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) [2021-06-05 00:16:58,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:16:58,192 INFO L93 Difference]: Finished difference Result 13241 states and 52158 transitions. [2021-06-05 00:16:58,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 00:16:58,193 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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 66 [2021-06-05 00:16:58,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:16:58,215 INFO L225 Difference]: With dead ends: 13241 [2021-06-05 00:16:58,215 INFO L226 Difference]: Without dead ends: 9401 [2021-06-05 00:16:58,215 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 106.3ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-06-05 00:16:58,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9401 states. [2021-06-05 00:16:58,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9401 to 9401. [2021-06-05 00:16:58,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9401 states, 9400 states have (on average 3.923191489361702) internal successors, (36878), 9400 states have internal predecessors, (36878), 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) [2021-06-05 00:16:58,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9401 states to 9401 states and 36878 transitions. [2021-06-05 00:16:58,396 INFO L78 Accepts]: Start accepts. Automaton has 9401 states and 36878 transitions. Word has length 66 [2021-06-05 00:16:58,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:16:58,396 INFO L482 AbstractCegarLoop]: Abstraction has 9401 states and 36878 transitions. [2021-06-05 00:16:58,396 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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) [2021-06-05 00:16:58,396 INFO L276 IsEmpty]: Start isEmpty. Operand 9401 states and 36878 transitions. [2021-06-05 00:16:58,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-06-05 00:16:58,412 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:16:58,412 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:16:58,412 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 00:16:58,412 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:16:58,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:16:58,413 INFO L82 PathProgramCache]: Analyzing trace with hash 92983515, now seen corresponding path program 1 times [2021-06-05 00:16:58,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:16:58,413 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79493582] [2021-06-05 00:16:58,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:16:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:16:58,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:16:58,494 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:16:58,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79493582] [2021-06-05 00:16:58,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79493582] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:16:58,494 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:16:58,494 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 00:16:58,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605121891] [2021-06-05 00:16:58,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 00:16:58,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:16:58,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 00:16:58,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 00:16:58,495 INFO L87 Difference]: Start difference. First operand 9401 states and 36878 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2021-06-05 00:16:58,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:16:58,697 INFO L93 Difference]: Finished difference Result 9734 states and 37430 transitions. [2021-06-05 00:16:58,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 00:16:58,697 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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 67 [2021-06-05 00:16:58,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:16:58,717 INFO L225 Difference]: With dead ends: 9734 [2021-06-05 00:16:58,718 INFO L226 Difference]: Without dead ends: 6854 [2021-06-05 00:16:58,718 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 111.0ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-05 00:16:58,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6854 states. [2021-06-05 00:16:58,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6854 to 6854. [2021-06-05 00:16:58,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6854 states, 6853 states have (on average 3.7970232015175833) internal successors, (26021), 6853 states have internal predecessors, (26021), 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) [2021-06-05 00:16:58,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6854 states to 6854 states and 26021 transitions. [2021-06-05 00:16:58,991 INFO L78 Accepts]: Start accepts. Automaton has 6854 states and 26021 transitions. Word has length 67 [2021-06-05 00:16:58,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:16:58,991 INFO L482 AbstractCegarLoop]: Abstraction has 6854 states and 26021 transitions. [2021-06-05 00:16:58,991 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2021-06-05 00:16:58,991 INFO L276 IsEmpty]: Start isEmpty. Operand 6854 states and 26021 transitions. [2021-06-05 00:16:59,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-05 00:16:59,000 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:16:59,001 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:16:59,001 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 00:16:59,001 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:16:59,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:16:59,001 INFO L82 PathProgramCache]: Analyzing trace with hash 319759386, now seen corresponding path program 1 times [2021-06-05 00:16:59,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:16:59,001 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166659875] [2021-06-05 00:16:59,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:16:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:16:59,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:16:59,089 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:16:59,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166659875] [2021-06-05 00:16:59,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166659875] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:16:59,089 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:16:59,089 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-05 00:16:59,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891607684] [2021-06-05 00:16:59,089 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 00:16:59,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:16:59,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 00:16:59,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-05 00:16:59,090 INFO L87 Difference]: Start difference. First operand 6854 states and 26021 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 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) [2021-06-05 00:16:59,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:16:59,295 INFO L93 Difference]: Finished difference Result 5936 states and 22160 transitions. [2021-06-05 00:16:59,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 00:16:59,296 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 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 69 [2021-06-05 00:16:59,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:16:59,305 INFO L225 Difference]: With dead ends: 5936 [2021-06-05 00:16:59,306 INFO L226 Difference]: Without dead ends: 4532 [2021-06-05 00:16:59,306 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 137.6ms TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2021-06-05 00:16:59,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4532 states. [2021-06-05 00:16:59,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4532 to 4532. [2021-06-05 00:16:59,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4532 states, 4531 states have (on average 3.693003751931141) internal successors, (16733), 4531 states have internal predecessors, (16733), 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) [2021-06-05 00:16:59,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4532 states to 4532 states and 16733 transitions. [2021-06-05 00:16:59,396 INFO L78 Accepts]: Start accepts. Automaton has 4532 states and 16733 transitions. Word has length 69 [2021-06-05 00:16:59,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:16:59,396 INFO L482 AbstractCegarLoop]: Abstraction has 4532 states and 16733 transitions. [2021-06-05 00:16:59,396 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 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) [2021-06-05 00:16:59,396 INFO L276 IsEmpty]: Start isEmpty. Operand 4532 states and 16733 transitions. [2021-06-05 00:16:59,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-06-05 00:16:59,404 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:16:59,404 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:16:59,405 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-05 00:16:59,405 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:16:59,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:16:59,405 INFO L82 PathProgramCache]: Analyzing trace with hash -510658629, now seen corresponding path program 1 times [2021-06-05 00:16:59,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:16:59,405 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203727438] [2021-06-05 00:16:59,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:16:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:16:59,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:16:59,490 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:16:59,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203727438] [2021-06-05 00:16:59,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203727438] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:16:59,490 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:16:59,490 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:16:59,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999874944] [2021-06-05 00:16:59,491 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:16:59,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:16:59,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:16:59,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:16:59,492 INFO L87 Difference]: Start difference. First operand 4532 states and 16733 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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) [2021-06-05 00:16:59,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:16:59,621 INFO L93 Difference]: Finished difference Result 6605 states and 24478 transitions. [2021-06-05 00:16:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 00:16:59,622 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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 71 [2021-06-05 00:16:59,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:16:59,629 INFO L225 Difference]: With dead ends: 6605 [2021-06-05 00:16:59,629 INFO L226 Difference]: Without dead ends: 4116 [2021-06-05 00:16:59,630 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 116.2ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-06-05 00:16:59,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4116 states. [2021-06-05 00:16:59,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4116 to 3540. [2021-06-05 00:16:59,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3540 states, 3539 states have (on average 3.631816897428652) internal successors, (12853), 3539 states have internal predecessors, (12853), 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) [2021-06-05 00:16:59,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 12853 transitions. [2021-06-05 00:16:59,681 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 12853 transitions. Word has length 71 [2021-06-05 00:16:59,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:16:59,681 INFO L482 AbstractCegarLoop]: Abstraction has 3540 states and 12853 transitions. [2021-06-05 00:16:59,681 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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) [2021-06-05 00:16:59,681 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 12853 transitions. [2021-06-05 00:16:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-06-05 00:16:59,686 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:16:59,686 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:16:59,686 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-05 00:16:59,686 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:16:59,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:16:59,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1806523195, now seen corresponding path program 2 times [2021-06-05 00:16:59,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:16:59,687 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533962589] [2021-06-05 00:16:59,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:16:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:16:59,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:16:59,761 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:16:59,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533962589] [2021-06-05 00:16:59,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533962589] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:16:59,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:16:59,761 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:16:59,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955691499] [2021-06-05 00:16:59,762 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:16:59,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:16:59,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:16:59,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:16:59,762 INFO L87 Difference]: Start difference. First operand 3540 states and 12853 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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) [2021-06-05 00:16:59,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:16:59,858 INFO L93 Difference]: Finished difference Result 3378 states and 12259 transitions. [2021-06-05 00:16:59,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 00:16:59,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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 71 [2021-06-05 00:16:59,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:16:59,859 INFO L225 Difference]: With dead ends: 3378 [2021-06-05 00:16:59,859 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 00:16:59,859 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 96.5ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-06-05 00:16:59,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 00:16:59,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 00:16:59,859 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) [2021-06-05 00:16:59,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 00:16:59,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2021-06-05 00:16:59,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:16:59,860 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 00:16:59,860 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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) [2021-06-05 00:16:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 00:16:59,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 00:16:59,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-05 00:16:59,861 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 00:16:59,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 12:16:59 BasicIcfg [2021-06-05 00:16:59,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 00:16:59,864 INFO L168 Benchmark]: Toolchain (without parser) took 20421.74 ms. Allocated memory was 354.4 MB in the beginning and 8.9 GB in the end (delta: 8.5 GB). Free memory was 317.3 MB in the beginning and 7.5 GB in the end (delta: -7.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.0 GB. [2021-06-05 00:16:59,864 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 354.4 MB. Free memory was 335.4 MB in the beginning and 335.3 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 00:16:59,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.54 ms. Allocated memory is still 354.4 MB. Free memory was 317.2 MB in the beginning and 316.5 MB in the end (delta: 697.1 kB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. [2021-06-05 00:16:59,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.12 ms. Allocated memory is still 354.4 MB. Free memory was 316.5 MB in the beginning and 314.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 00:16:59,865 INFO L168 Benchmark]: Boogie Preprocessor took 40.93 ms. Allocated memory is still 354.4 MB. Free memory was 314.4 MB in the beginning and 313.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 00:16:59,865 INFO L168 Benchmark]: RCFGBuilder took 427.54 ms. Allocated memory is still 354.4 MB. Free memory was 313.3 MB in the beginning and 285.0 MB in the end (delta: 28.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-06-05 00:16:59,866 INFO L168 Benchmark]: TraceAbstraction took 19377.11 ms. Allocated memory was 354.4 MB in the beginning and 8.9 GB in the end (delta: 8.5 GB). Free memory was 285.0 MB in the beginning and 7.5 GB in the end (delta: -7.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.0 GB. [2021-06-05 00:16:59,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 354.4 MB. Free memory was 335.4 MB in the beginning and 335.3 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 513.54 ms. Allocated memory is still 354.4 MB. Free memory was 317.2 MB in the beginning and 316.5 MB in the end (delta: 697.1 kB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 56.12 ms. Allocated memory is still 354.4 MB. Free memory was 316.5 MB in the beginning and 314.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.93 ms. Allocated memory is still 354.4 MB. Free memory was 314.4 MB in the beginning and 313.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 427.54 ms. Allocated memory is still 354.4 MB. Free memory was 313.3 MB in the beginning and 285.0 MB in the end (delta: 28.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 19377.11 ms. Allocated memory was 354.4 MB in the beginning and 8.9 GB in the end (delta: 8.5 GB). Free memory was 285.0 MB in the beginning and 7.5 GB in the end (delta: -7.2 GB). Peak memory consumption was 1.4 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 128 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19273.1ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 774.9ms, AutomataDifference: 5406.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5776.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1397 SDtfs, 2435 SDslu, 4851 SDs, 0 SdLazy, 590 SolverSat, 119 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 484.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1505.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=51816occurred in iteration=0, InterpolantAutomatonStates: 114, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5502.0ms AutomataMinimizationTime, 11 MinimizatonAttempts, 960 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 64.5ms SsaConstructionTime, 269.3ms SatisfiabilityAnalysisTime, 1126.9ms InterpolantComputationTime, 709 NumberOfCodeBlocks, 709 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 698 ConstructedInterpolants, 0 QuantifiedInterpolants, 3704 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...