/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/safe005_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 00:10:54,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 00:10:54,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 00:10:54,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 00:10:54,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 00:10:54,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 00:10:54,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 00:10:54,618 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 00:10:54,641 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 00:10:54,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 00:10:54,642 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 00:10:54,642 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 00:10:54,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 00:10:54,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 00:10:54,643 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 00:10:54,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 00:10:54,644 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 00:10:54,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 00:10:54,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 00:10:54,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 00:10:54,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 00:10:54,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 00:10:54,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 00:10:54,645 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 00:10:54,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 00:10:54,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 00:10:54,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 00:10:54,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 00:10:54,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 00:10:54,645 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 00:10:54,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 00:10:54,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 00:10:54,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 00:10:54,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 00:10:54,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 00:10:54,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 00:10:54,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 00:10:54,646 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 00:10:54,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 00:10:54,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 00:10:54,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 00:10:54,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 00:10:54,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 00:10:54,963 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 00:10:54,964 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 00:10:54,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe005_tso.opt.i [2021-06-05 00:10:55,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/532beaaab/7ed5426f2b1f418d95530ba81f77669c/FLAG6b7887d7f [2021-06-05 00:10:55,578 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 00:10:55,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_tso.opt.i [2021-06-05 00:10:55,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/532beaaab/7ed5426f2b1f418d95530ba81f77669c/FLAG6b7887d7f [2021-06-05 00:10:55,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/532beaaab/7ed5426f2b1f418d95530ba81f77669c [2021-06-05 00:10:56,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 00:10:56,001 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 00:10:56,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 00:10:56,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 00:10:56,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 00:10:56,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 12:10:55" (1/1) ... [2021-06-05 00:10:56,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2216d7ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:10:56, skipping insertion in model container [2021-06-05 00:10:56,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 12:10:55" (1/1) ... [2021-06-05 00:10:56,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 00:10:56,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 00:10:56,196 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/safe005_tso.opt.i[949,962] [2021-06-05 00:10:56,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 00:10:56,358 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 00:10:56,367 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/safe005_tso.opt.i[949,962] [2021-06-05 00:10:56,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 00:10:56,461 INFO L208 MainTranslator]: Completed translation [2021-06-05 00:10:56,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:10:56 WrapperNode [2021-06-05 00:10:56,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 00:10:56,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 00:10:56,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 00:10:56,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 00:10:56,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:10:56" (1/1) ... [2021-06-05 00:10:56,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:10:56" (1/1) ... [2021-06-05 00:10:56,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 00:10:56,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 00:10:56,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 00:10:56,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 00:10:56,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:10:56" (1/1) ... [2021-06-05 00:10:56,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:10:56" (1/1) ... [2021-06-05 00:10:56,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:10:56" (1/1) ... [2021-06-05 00:10:56,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:10:56" (1/1) ... [2021-06-05 00:10:56,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:10:56" (1/1) ... [2021-06-05 00:10:56,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:10:56" (1/1) ... [2021-06-05 00:10:56,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:10:56" (1/1) ... [2021-06-05 00:10:56,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 00:10:56,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 00:10:56,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 00:10:56,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 00:10:56,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:10:56" (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 00:10:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 00:10:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-05 00:10:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 00:10:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 00:10:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-05 00:10:56,630 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-05 00:10:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-05 00:10:56,631 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-05 00:10:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-05 00:10:56,631 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-05 00:10:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 00:10:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-05 00:10:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 00:10:56,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 00:10:56,633 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 00:10:57,041 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 00:10:57,041 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-05 00:10:57,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 12:10:57 BoogieIcfgContainer [2021-06-05 00:10:57,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 00:10:57,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 00:10:57,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 00:10:57,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 00:10:57,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 12:10:55" (1/3) ... [2021-06-05 00:10:57,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5706576c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 12:10:57, skipping insertion in model container [2021-06-05 00:10:57,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:10:56" (2/3) ... [2021-06-05 00:10:57,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5706576c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 12:10:57, skipping insertion in model container [2021-06-05 00:10:57,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 12:10:57" (3/3) ... [2021-06-05 00:10:57,049 INFO L111 eAbstractionObserver]: Analyzing ICFG safe005_tso.opt.i [2021-06-05 00:10:57,054 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 00:10:57,054 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 00:10:57,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 00:10:57,055 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 00:10:57,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,084 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,084 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,085 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,085 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,086 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,086 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,087 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,087 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,088 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,088 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,088 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,088 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,089 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,089 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,089 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,089 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,092 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,092 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,096 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,097 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,098 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,098 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:10:57,100 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 00:10:57,118 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 00:10:57,133 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 00:10:57,133 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 00:10:57,133 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 00:10:57,133 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 00:10:57,133 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 00:10:57,133 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 00:10:57,134 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 00:10:57,134 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 00:10:57,143 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 84 transitions, 183 flow [2021-06-05 00:10:57,617 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9332 states, 9330 states have (on average 3.562379421221865) internal successors, (33237), 9331 states have internal predecessors, (33237), 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 00:10:57,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 9332 states, 9330 states have (on average 3.562379421221865) internal successors, (33237), 9331 states have internal predecessors, (33237), 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 00:10:57,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-06-05 00:10:57,708 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:10:57,708 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] [2021-06-05 00:10:57,709 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:10:57,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:10:57,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1943773822, now seen corresponding path program 1 times [2021-06-05 00:10:57,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:10:57,721 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226219752] [2021-06-05 00:10:57,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:10:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:10:58,147 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 00:10:58,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:10:58,148 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226219752] [2021-06-05 00:10:58,149 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226219752] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:10:58,149 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:10:58,149 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 00:10:58,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98615208] [2021-06-05 00:10:58,153 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 00:10:58,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:10:58,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 00:10:58,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 00:10:58,194 INFO L87 Difference]: Start difference. First operand has 9332 states, 9330 states have (on average 3.562379421221865) internal successors, (33237), 9331 states have internal predecessors, (33237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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 00:10:58,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:10:58,703 INFO L93 Difference]: Finished difference Result 20748 states and 71467 transitions. [2021-06-05 00:10:58,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 00:10:58,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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 49 [2021-06-05 00:10:58,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:10:58,765 INFO L225 Difference]: With dead ends: 20748 [2021-06-05 00:10:58,765 INFO L226 Difference]: Without dead ends: 6290 [2021-06-05 00:10:58,766 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 241.1ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 00:10:58,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6290 states. [2021-06-05 00:10:59,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6290 to 5000. [2021-06-05 00:10:59,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5000 states, 4999 states have (on average 3.2536507301460293) internal successors, (16265), 4999 states have internal predecessors, (16265), 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 00:10:59,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5000 states to 5000 states and 16265 transitions. [2021-06-05 00:10:59,161 INFO L78 Accepts]: Start accepts. Automaton has 5000 states and 16265 transitions. Word has length 49 [2021-06-05 00:10:59,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:10:59,164 INFO L482 AbstractCegarLoop]: Abstraction has 5000 states and 16265 transitions. [2021-06-05 00:10:59,165 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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 00:10:59,165 INFO L276 IsEmpty]: Start isEmpty. Operand 5000 states and 16265 transitions. [2021-06-05 00:10:59,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-06-05 00:10:59,182 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:10:59,183 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] [2021-06-05 00:10:59,183 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 00:10:59,183 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:10:59,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:10:59,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1591263389, now seen corresponding path program 1 times [2021-06-05 00:10:59,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:10:59,188 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253272931] [2021-06-05 00:10:59,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:10:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:10:59,364 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 00:10:59,365 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:10:59,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253272931] [2021-06-05 00:10:59,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253272931] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:10:59,365 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:10:59,365 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:10:59,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139362784] [2021-06-05 00:10:59,367 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:10:59,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:10:59,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:10:59,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:10:59,369 INFO L87 Difference]: Start difference. First operand 5000 states and 16265 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 00:10:59,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:10:59,697 INFO L93 Difference]: Finished difference Result 7080 states and 22894 transitions. [2021-06-05 00:10:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 00:10:59,698 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-06-05 00:10:59,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:10:59,725 INFO L225 Difference]: With dead ends: 7080 [2021-06-05 00:10:59,725 INFO L226 Difference]: Without dead ends: 4868 [2021-06-05 00:10:59,726 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 192.0ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-05 00:10:59,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4868 states. [2021-06-05 00:10:59,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4868 to 3816. [2021-06-05 00:10:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3816 states, 3815 states have (on average 3.2629095674967235) internal successors, (12448), 3815 states have internal predecessors, (12448), 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 00:10:59,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3816 states to 3816 states and 12448 transitions. [2021-06-05 00:10:59,852 INFO L78 Accepts]: Start accepts. Automaton has 3816 states and 12448 transitions. Word has length 51 [2021-06-05 00:10:59,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:10:59,852 INFO L482 AbstractCegarLoop]: Abstraction has 3816 states and 12448 transitions. [2021-06-05 00:10:59,852 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 00:10:59,852 INFO L276 IsEmpty]: Start isEmpty. Operand 3816 states and 12448 transitions. [2021-06-05 00:10:59,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-06-05 00:10:59,861 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:10:59,861 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] [2021-06-05 00:10:59,861 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 00:10:59,861 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:10:59,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:10:59,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1290194594, now seen corresponding path program 1 times [2021-06-05 00:10:59,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:10:59,862 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750023766] [2021-06-05 00:10:59,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:10:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:11:00,023 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 00:11:00,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:11:00,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750023766] [2021-06-05 00:11:00,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750023766] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:11:00,024 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:11:00,024 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:11:00,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001560360] [2021-06-05 00:11:00,024 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:11:00,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:11:00,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:11:00,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:11:00,025 INFO L87 Difference]: Start difference. First operand 3816 states and 12448 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 00:11:00,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:11:00,169 INFO L93 Difference]: Finished difference Result 6282 states and 20358 transitions. [2021-06-05 00:11:00,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 00:11:00,170 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-06-05 00:11:00,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:11:00,190 INFO L225 Difference]: With dead ends: 6282 [2021-06-05 00:11:00,190 INFO L226 Difference]: Without dead ends: 3366 [2021-06-05 00:11:00,190 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 93.1ms TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-06-05 00:11:00,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3366 states. [2021-06-05 00:11:00,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3366 to 3366. [2021-06-05 00:11:00,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3366 states, 3365 states have (on average 3.1901931649331354) internal successors, (10735), 3365 states have internal predecessors, (10735), 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 00:11:00,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3366 states to 3366 states and 10735 transitions. [2021-06-05 00:11:00,335 INFO L78 Accepts]: Start accepts. Automaton has 3366 states and 10735 transitions. Word has length 53 [2021-06-05 00:11:00,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:11:00,337 INFO L482 AbstractCegarLoop]: Abstraction has 3366 states and 10735 transitions. [2021-06-05 00:11:00,337 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 00:11:00,337 INFO L276 IsEmpty]: Start isEmpty. Operand 3366 states and 10735 transitions. [2021-06-05 00:11:00,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-06-05 00:11:00,344 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:11:00,344 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] [2021-06-05 00:11:00,344 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 00:11:00,344 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:11:00,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:11:00,346 INFO L82 PathProgramCache]: Analyzing trace with hash -774690556, now seen corresponding path program 1 times [2021-06-05 00:11:00,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:11:00,346 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562092047] [2021-06-05 00:11:00,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:11:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:11:00,502 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 00:11:00,502 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:11:00,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562092047] [2021-06-05 00:11:00,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562092047] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:11:00,503 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:11:00,503 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:11:00,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636105666] [2021-06-05 00:11:00,504 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:11:00,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:11:00,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:11:00,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:11:00,508 INFO L87 Difference]: Start difference. First operand 3366 states and 10735 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 00:11:00,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:11:00,717 INFO L93 Difference]: Finished difference Result 4454 states and 14055 transitions. [2021-06-05 00:11:00,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 00:11:00,718 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-06-05 00:11:00,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:11:00,745 INFO L225 Difference]: With dead ends: 4454 [2021-06-05 00:11:00,745 INFO L226 Difference]: Without dead ends: 3334 [2021-06-05 00:11:00,746 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 180.1ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-05 00:11:00,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3334 states. [2021-06-05 00:11:00,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3334 to 2918. [2021-06-05 00:11:00,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 2917 states have (on average 3.2029482344874873) internal successors, (9343), 2917 states have internal predecessors, (9343), 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 00:11:00,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 9343 transitions. [2021-06-05 00:11:00,875 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 9343 transitions. Word has length 54 [2021-06-05 00:11:00,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:11:00,877 INFO L482 AbstractCegarLoop]: Abstraction has 2918 states and 9343 transitions. [2021-06-05 00:11:00,877 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 00:11:00,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 9343 transitions. [2021-06-05 00:11:00,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-05 00:11:00,884 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:11:00,884 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] [2021-06-05 00:11:00,885 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 00:11:00,888 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:11:00,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:11:00,888 INFO L82 PathProgramCache]: Analyzing trace with hash 723576938, now seen corresponding path program 1 times [2021-06-05 00:11:00,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:11:00,890 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387707364] [2021-06-05 00:11:00,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:11:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:11:01,032 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 00:11:01,032 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:11:01,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387707364] [2021-06-05 00:11:01,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387707364] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:11:01,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:11:01,033 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 00:11:01,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130814989] [2021-06-05 00:11:01,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 00:11:01,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:11:01,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 00:11:01,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-05 00:11:01,035 INFO L87 Difference]: Start difference. First operand 2918 states and 9343 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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 00:11:01,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:11:01,248 INFO L93 Difference]: Finished difference Result 5666 states and 17968 transitions. [2021-06-05 00:11:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 00:11:01,249 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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 55 [2021-06-05 00:11:01,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:11:01,258 INFO L225 Difference]: With dead ends: 5666 [2021-06-05 00:11:01,259 INFO L226 Difference]: Without dead ends: 3046 [2021-06-05 00:11:01,259 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 174.9ms TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2021-06-05 00:11:01,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3046 states. [2021-06-05 00:11:01,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3046 to 2150. [2021-06-05 00:11:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2150 states, 2149 states have (on average 3.1042345276872965) internal successors, (6671), 2149 states have internal predecessors, (6671), 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 00:11:01,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 6671 transitions. [2021-06-05 00:11:01,329 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 6671 transitions. Word has length 55 [2021-06-05 00:11:01,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:11:01,329 INFO L482 AbstractCegarLoop]: Abstraction has 2150 states and 6671 transitions. [2021-06-05 00:11:01,329 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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 00:11:01,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 6671 transitions. [2021-06-05 00:11:01,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-06-05 00:11:01,335 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:11:01,335 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 00:11:01,335 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 00:11:01,335 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:11:01,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:11:01,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1986896909, now seen corresponding path program 1 times [2021-06-05 00:11:01,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:11:01,336 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438405417] [2021-06-05 00:11:01,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:11:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:11:01,493 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 00:11:01,493 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:11:01,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438405417] [2021-06-05 00:11:01,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438405417] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:11:01,494 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:11:01,494 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 00:11:01,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410366886] [2021-06-05 00:11:01,494 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 00:11:01,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:11:01,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 00:11:01,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 00:11:01,497 INFO L87 Difference]: Start difference. First operand 2150 states and 6671 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 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 00:11:01,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:11:01,603 INFO L93 Difference]: Finished difference Result 2703 states and 8329 transitions. [2021-06-05 00:11:01,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 00:11:01,603 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 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 00:11:01,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:11:01,609 INFO L225 Difference]: With dead ends: 2703 [2021-06-05 00:11:01,609 INFO L226 Difference]: Without dead ends: 1963 [2021-06-05 00:11:01,609 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 124.3ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 00:11:01,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1963 states. [2021-06-05 00:11:01,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1963 to 1963. [2021-06-05 00:11:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1963 states, 1962 states have (on average 3.080020387359837) internal successors, (6043), 1962 states have internal predecessors, (6043), 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 00:11:01,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1963 states and 6043 transitions. [2021-06-05 00:11:01,656 INFO L78 Accepts]: Start accepts. Automaton has 1963 states and 6043 transitions. Word has length 57 [2021-06-05 00:11:01,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:11:01,657 INFO L482 AbstractCegarLoop]: Abstraction has 1963 states and 6043 transitions. [2021-06-05 00:11:01,657 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 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 00:11:01,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 6043 transitions. [2021-06-05 00:11:01,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-06-05 00:11:01,661 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:11:01,662 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] [2021-06-05 00:11:01,662 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 00:11:01,662 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:11:01,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:11:01,662 INFO L82 PathProgramCache]: Analyzing trace with hash -862871854, now seen corresponding path program 1 times [2021-06-05 00:11:01,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:11:01,663 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292299112] [2021-06-05 00:11:01,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:11:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:11:01,764 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 00:11:01,764 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:11:01,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292299112] [2021-06-05 00:11:01,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292299112] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:11:01,765 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:11:01,765 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:11:01,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11280428] [2021-06-05 00:11:01,765 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:11:01,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:11:01,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:11:01,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:11:01,766 INFO L87 Difference]: Start difference. First operand 1963 states and 6043 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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 00:11:01,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:11:01,886 INFO L93 Difference]: Finished difference Result 2173 states and 6585 transitions. [2021-06-05 00:11:01,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 00:11:01,886 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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 58 [2021-06-05 00:11:01,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:11:01,891 INFO L225 Difference]: With dead ends: 2173 [2021-06-05 00:11:01,891 INFO L226 Difference]: Without dead ends: 1573 [2021-06-05 00:11:01,891 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 93.2ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-06-05 00:11:01,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2021-06-05 00:11:01,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1573. [2021-06-05 00:11:01,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1572 states have (on average 2.991730279898219) internal successors, (4703), 1572 states have internal predecessors, (4703), 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 00:11:01,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 4703 transitions. [2021-06-05 00:11:01,925 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 4703 transitions. Word has length 58 [2021-06-05 00:11:01,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:11:01,926 INFO L482 AbstractCegarLoop]: Abstraction has 1573 states and 4703 transitions. [2021-06-05 00:11:01,926 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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 00:11:01,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 4703 transitions. [2021-06-05 00:11:01,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-06-05 00:11:01,929 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:11:01,929 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 00:11:01,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 00:11:01,930 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:11:01,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:11:01,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1458743261, now seen corresponding path program 1 times [2021-06-05 00:11:01,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:11:01,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083676769] [2021-06-05 00:11:01,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:11:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:11:02,029 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 00:11:02,029 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:11:02,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083676769] [2021-06-05 00:11:02,031 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083676769] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:11:02,031 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:11:02,031 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 00:11:02,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798340591] [2021-06-05 00:11:02,032 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 00:11:02,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:11:02,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 00:11:02,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 00:11:02,033 INFO L87 Difference]: Start difference. First operand 1573 states and 4703 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 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 00:11:02,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:11:02,201 INFO L93 Difference]: Finished difference Result 1402 states and 4070 transitions. [2021-06-05 00:11:02,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 00:11:02,201 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 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 00:11:02,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:11:02,204 INFO L225 Difference]: With dead ends: 1402 [2021-06-05 00:11:02,204 INFO L226 Difference]: Without dead ends: 1042 [2021-06-05 00:11:02,205 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 140.7ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-05 00:11:02,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2021-06-05 00:11:02,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 994. [2021-06-05 00:11:02,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 993 states have (on average 2.800604229607251) internal successors, (2781), 993 states have internal predecessors, (2781), 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 00:11:02,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 2781 transitions. [2021-06-05 00:11:02,229 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 2781 transitions. Word has length 59 [2021-06-05 00:11:02,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:11:02,229 INFO L482 AbstractCegarLoop]: Abstraction has 994 states and 2781 transitions. [2021-06-05 00:11:02,229 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 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 00:11:02,229 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 2781 transitions. [2021-06-05 00:11:02,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-06-05 00:11:02,232 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:11:02,232 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 00:11:02,232 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 00:11:02,232 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:11:02,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:11:02,233 INFO L82 PathProgramCache]: Analyzing trace with hash -743848236, now seen corresponding path program 1 times [2021-06-05 00:11:02,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:11:02,233 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24508085] [2021-06-05 00:11:02,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:11:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:11:02,335 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 00:11:02,335 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:11:02,335 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24508085] [2021-06-05 00:11:02,335 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24508085] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:11:02,335 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:11:02,335 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:11:02,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194973956] [2021-06-05 00:11:02,336 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:11:02,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:11:02,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:11:02,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:11:02,338 INFO L87 Difference]: Start difference. First operand 994 states and 2781 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 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 00:11:02,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:11:02,404 INFO L93 Difference]: Finished difference Result 940 states and 2619 transitions. [2021-06-05 00:11:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 00:11:02,405 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 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 00:11:02,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:11:02,405 INFO L225 Difference]: With dead ends: 940 [2021-06-05 00:11:02,405 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 00:11:02,405 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 86.7ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-06-05 00:11:02,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 00:11:02,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 00:11:02,409 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 00:11:02,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 00:11:02,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-06-05 00:11:02,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:11:02,409 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 00:11:02,409 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 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 00:11:02,409 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 00:11:02,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 00:11:02,410 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-05 00:11:02,411 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 00:11:02,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 12:11:02 BasicIcfg [2021-06-05 00:11:02,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 00:11:02,416 INFO L168 Benchmark]: Toolchain (without parser) took 6413.82 ms. Allocated memory was 362.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 325.7 MB in the beginning and 1.2 GB in the end (delta: -900.7 MB). Peak memory consumption was 174.8 MB. Max. memory is 16.0 GB. [2021-06-05 00:11:02,417 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 362.8 MB. Free memory was 344.0 MB in the beginning and 343.9 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 00:11:02,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.98 ms. Allocated memory is still 362.8 MB. Free memory was 325.5 MB in the beginning and 325.7 MB in the end (delta: -208.5 kB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. [2021-06-05 00:11:02,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.63 ms. Allocated memory is still 362.8 MB. Free memory was 325.7 MB in the beginning and 323.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 00:11:02,418 INFO L168 Benchmark]: Boogie Preprocessor took 29.67 ms. Allocated memory is still 362.8 MB. Free memory was 323.6 MB in the beginning and 321.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 00:11:02,419 INFO L168 Benchmark]: RCFGBuilder took 492.18 ms. Allocated memory is still 362.8 MB. Free memory was 321.5 MB in the beginning and 296.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-05 00:11:02,421 INFO L168 Benchmark]: TraceAbstraction took 5370.08 ms. Allocated memory was 362.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 296.4 MB in the beginning and 1.2 GB in the end (delta: -930.1 MB). Peak memory consumption was 144.7 MB. Max. memory is 16.0 GB. [2021-06-05 00:11:02,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 362.8 MB. Free memory was 344.0 MB in the beginning and 343.9 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 459.98 ms. Allocated memory is still 362.8 MB. Free memory was 325.5 MB in the beginning and 325.7 MB in the end (delta: -208.5 kB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 56.63 ms. Allocated memory is still 362.8 MB. Free memory was 325.7 MB in the beginning and 323.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.67 ms. Allocated memory is still 362.8 MB. Free memory was 323.6 MB in the beginning and 321.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 492.18 ms. Allocated memory is still 362.8 MB. Free memory was 321.5 MB in the beginning and 296.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5370.08 ms. Allocated memory was 362.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 296.4 MB in the beginning and 1.2 GB in the end (delta: -930.1 MB). Peak memory consumption was 144.7 MB. 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 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5279.4ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 144.8ms, AutomataDifference: 2085.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 483.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 967 SDtfs, 1506 SDslu, 3209 SDs, 0 SdLazy, 393 SolverSat, 92 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 345.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1326.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9332occurred in iteration=0, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 959.3ms AutomataMinimizationTime, 9 MinimizatonAttempts, 3702 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 35.7ms SsaConstructionTime, 229.5ms SatisfiabilityAnalysisTime, 1132.3ms InterpolantComputationTime, 497 NumberOfCodeBlocks, 497 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 488 ConstructedInterpolants, 0 QuantifiedInterpolants, 1780 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...