/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/safe007_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 00:11:06,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 00:11:06,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 00:11:06,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 00:11:06,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 00:11:06,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 00:11:06,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 00:11:06,421 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 00:11:06,440 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 00:11:06,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 00:11:06,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 00:11:06,441 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 00:11:06,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 00:11:06,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 00:11:06,442 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 00:11:06,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 00:11:06,443 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 00:11:06,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 00:11:06,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 00:11:06,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 00:11:06,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 00:11:06,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 00:11:06,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 00:11:06,444 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 00:11:06,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 00:11:06,444 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 00:11:06,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 00:11:06,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 00:11:06,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 00:11:06,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 00:11:06,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 00:11:06,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 00:11:06,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 00:11:06,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 00:11:06,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 00:11:06,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 00:11:06,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 00:11:06,446 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 00:11:06,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 00:11:06,446 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 00:11:06,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 00:11:06,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 00:11:06,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 00:11:06,771 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 00:11:06,772 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 00:11:06,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2021-06-05 00:11:06,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09e39ba1c/8cae4621ea60450b863e65e9658c88ef/FLAG8c17d2e97 [2021-06-05 00:11:07,289 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 00:11:07,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2021-06-05 00:11:07,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09e39ba1c/8cae4621ea60450b863e65e9658c88ef/FLAG8c17d2e97 [2021-06-05 00:11:07,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09e39ba1c/8cae4621ea60450b863e65e9658c88ef [2021-06-05 00:11:07,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 00:11:07,653 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 00:11:07,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 00:11:07,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 00:11:07,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 00:11:07,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 12:11:07" (1/1) ... [2021-06-05 00:11:07,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71bae296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:11:07, skipping insertion in model container [2021-06-05 00:11:07,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 12:11:07" (1/1) ... [2021-06-05 00:11:07,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 00:11:07,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 00:11:07,876 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/safe007_pso.oepc.i[950,963] [2021-06-05 00:11:08,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 00:11:08,068 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 00:11:08,079 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/safe007_pso.oepc.i[950,963] [2021-06-05 00:11:08,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 00:11:08,196 INFO L208 MainTranslator]: Completed translation [2021-06-05 00:11:08,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:11:08 WrapperNode [2021-06-05 00:11:08,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 00:11:08,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 00:11:08,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 00:11:08,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 00:11:08,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:11:08" (1/1) ... [2021-06-05 00:11:08,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:11:08" (1/1) ... [2021-06-05 00:11:08,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 00:11:08,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 00:11:08,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 00:11:08,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 00:11:08,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:11:08" (1/1) ... [2021-06-05 00:11:08,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:11:08" (1/1) ... [2021-06-05 00:11:08,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:11:08" (1/1) ... [2021-06-05 00:11:08,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:11:08" (1/1) ... [2021-06-05 00:11:08,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:11:08" (1/1) ... [2021-06-05 00:11:08,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:11:08" (1/1) ... [2021-06-05 00:11:08,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:11:08" (1/1) ... [2021-06-05 00:11:08,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 00:11:08,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 00:11:08,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 00:11:08,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 00:11:08,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:11:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 00:11:08,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 00:11:08,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-05 00:11:08,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 00:11:08,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 00:11:08,368 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-05 00:11:08,370 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-05 00:11:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-05 00:11:08,370 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-05 00:11:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-05 00:11:08,371 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-05 00:11:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 00:11:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-05 00:11:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 00:11:08,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 00:11:08,373 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 00:11:08,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 00:11:08,796 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-05 00:11:08,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 12:11:08 BoogieIcfgContainer [2021-06-05 00:11:08,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 00:11:08,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 00:11:08,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 00:11:08,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 00:11:08,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 12:11:07" (1/3) ... [2021-06-05 00:11:08,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae73a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 12:11:08, skipping insertion in model container [2021-06-05 00:11:08,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:11:08" (2/3) ... [2021-06-05 00:11:08,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae73a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 12:11:08, skipping insertion in model container [2021-06-05 00:11:08,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 12:11:08" (3/3) ... [2021-06-05 00:11:08,806 INFO L111 eAbstractionObserver]: Analyzing ICFG safe007_pso.oepc.i [2021-06-05 00:11:08,813 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 00:11:08,813 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 00:11:08,814 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 00:11:08,814 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 00:11:08,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,849 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,849 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,849 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,849 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,853 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,853 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,853 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,853 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,854 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,855 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,855 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,855 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,861 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,861 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,862 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,862 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,865 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,866 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,870 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,871 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,873 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,874 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:11:08,878 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 00:11:08,898 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 00:11:08,924 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 00:11:08,924 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 00:11:08,924 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 00:11:08,925 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 00:11:08,925 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 00:11:08,925 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 00:11:08,925 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 00:11:08,925 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 00:11:08,941 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 93 places, 85 transitions, 185 flow [2021-06-05 00:11:09,436 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9333 states, 9331 states have (on average 3.562104811917265) internal successors, (33238), 9332 states have internal predecessors, (33238), 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 00:11:09,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 9333 states, 9331 states have (on average 3.562104811917265) internal successors, (33238), 9332 states have internal predecessors, (33238), 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 00:11:09,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-06-05 00:11:09,509 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:11:09,510 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] [2021-06-05 00:11:09,510 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:11:09,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:11:09,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1408065288, now seen corresponding path program 1 times [2021-06-05 00:11:09,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:11:09,523 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554884890] [2021-06-05 00:11:09,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:11:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:11:09,944 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 00:11:09,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:11:09,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554884890] [2021-06-05 00:11:09,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554884890] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:11:09,946 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:11:09,946 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 00:11:09,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836476552] [2021-06-05 00:11:09,950 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 00:11:09,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:11:09,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 00:11:09,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 00:11:10,022 INFO L87 Difference]: Start difference. First operand has 9333 states, 9331 states have (on average 3.562104811917265) internal successors, (33238), 9332 states have internal predecessors, (33238), 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 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 00:11:10,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:11:10,376 INFO L93 Difference]: Finished difference Result 13664 states and 47630 transitions. [2021-06-05 00:11:10,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 00:11:10,378 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-06-05 00:11:10,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:11:10,426 INFO L225 Difference]: With dead ends: 13664 [2021-06-05 00:11:10,426 INFO L226 Difference]: Without dead ends: 5169 [2021-06-05 00:11:10,427 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 196.0ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 00:11:10,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5169 states. [2021-06-05 00:11:10,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5169 to 5169. [2021-06-05 00:11:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5169 states, 5168 states have (on average 3.4171826625387) internal successors, (17660), 5168 states have internal predecessors, (17660), 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 00:11:10,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5169 states to 5169 states and 17660 transitions. [2021-06-05 00:11:10,776 INFO L78 Accepts]: Start accepts. Automaton has 5169 states and 17660 transitions. Word has length 50 [2021-06-05 00:11:10,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:11:10,781 INFO L482 AbstractCegarLoop]: Abstraction has 5169 states and 17660 transitions. [2021-06-05 00:11:10,782 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 00:11:10,782 INFO L276 IsEmpty]: Start isEmpty. Operand 5169 states and 17660 transitions. [2021-06-05 00:11:10,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-06-05 00:11:10,799 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:11:10,799 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] [2021-06-05 00:11:10,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 00:11:10,800 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:11:10,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:11:10,802 INFO L82 PathProgramCache]: Analyzing trace with hash 452026023, now seen corresponding path program 1 times [2021-06-05 00:11:10,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:11:10,803 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797537522] [2021-06-05 00:11:10,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:11:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:11:10,961 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 00:11:10,961 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:11:10,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797537522] [2021-06-05 00:11:10,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797537522] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:11:10,962 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:11:10,962 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 00:11:10,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789940608] [2021-06-05 00:11:10,963 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 00:11:10,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:11:10,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 00:11:10,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 00:11:10,965 INFO L87 Difference]: Start difference. First operand 5169 states and 17660 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 00:11:11,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:11:11,159 INFO L93 Difference]: Finished difference Result 5889 states and 19911 transitions. [2021-06-05 00:11:11,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 00:11:11,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-06-05 00:11:11,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:11:11,187 INFO L225 Difference]: With dead ends: 5889 [2021-06-05 00:11:11,187 INFO L226 Difference]: Without dead ends: 4629 [2021-06-05 00:11:11,189 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 95.8ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 00:11:11,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4629 states. [2021-06-05 00:11:11,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4629 to 4629. [2021-06-05 00:11:11,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4629 states, 4628 states have (on average 3.3854796888504755) internal successors, (15668), 4628 states have internal predecessors, (15668), 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 00:11:11,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4629 states to 4629 states and 15668 transitions. [2021-06-05 00:11:11,393 INFO L78 Accepts]: Start accepts. Automaton has 4629 states and 15668 transitions. Word has length 52 [2021-06-05 00:11:11,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:11:11,394 INFO L482 AbstractCegarLoop]: Abstraction has 4629 states and 15668 transitions. [2021-06-05 00:11:11,394 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 00:11:11,394 INFO L276 IsEmpty]: Start isEmpty. Operand 4629 states and 15668 transitions. [2021-06-05 00:11:11,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-06-05 00:11:11,405 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:11:11,405 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] [2021-06-05 00:11:11,405 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 00:11:11,405 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:11:11,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:11:11,406 INFO L82 PathProgramCache]: Analyzing trace with hash -873664247, now seen corresponding path program 1 times [2021-06-05 00:11:11,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:11:11,406 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358430421] [2021-06-05 00:11:11,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:11:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:11:11,597 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 00:11:11,597 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:11:11,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358430421] [2021-06-05 00:11:11,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358430421] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:11:11,598 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:11:11,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:11:11,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077435663] [2021-06-05 00:11:11,598 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:11:11,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:11:11,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:11:11,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:11:11,599 INFO L87 Difference]: Start difference. First operand 4629 states and 15668 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 00:11:11,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:11:11,728 INFO L93 Difference]: Finished difference Result 5189 states and 17401 transitions. [2021-06-05 00:11:11,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 00:11:11,729 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-06-05 00:11:11,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:11:11,754 INFO L225 Difference]: With dead ends: 5189 [2021-06-05 00:11:11,754 INFO L226 Difference]: Without dead ends: 4209 [2021-06-05 00:11:11,754 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 103.6ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-06-05 00:11:11,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4209 states. [2021-06-05 00:11:11,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4209 to 4209. [2021-06-05 00:11:11,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4209 states, 4208 states have (on average 3.3583650190114067) internal successors, (14132), 4208 states have internal predecessors, (14132), 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 00:11:11,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4209 states to 4209 states and 14132 transitions. [2021-06-05 00:11:11,921 INFO L78 Accepts]: Start accepts. Automaton has 4209 states and 14132 transitions. Word has length 52 [2021-06-05 00:11:11,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:11:11,923 INFO L482 AbstractCegarLoop]: Abstraction has 4209 states and 14132 transitions. [2021-06-05 00:11:11,923 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 00:11:11,923 INFO L276 IsEmpty]: Start isEmpty. Operand 4209 states and 14132 transitions. [2021-06-05 00:11:11,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-06-05 00:11:11,931 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:11:11,932 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 00:11:11,932 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 00:11:11,932 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:11:11,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:11:11,933 INFO L82 PathProgramCache]: Analyzing trace with hash -504396568, now seen corresponding path program 1 times [2021-06-05 00:11:11,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:11:11,934 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277260935] [2021-06-05 00:11:11,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:11:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:11:12,107 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 00:11:12,107 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:11:12,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277260935] [2021-06-05 00:11:12,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277260935] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:11:12,108 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:11:12,108 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:11:12,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257651050] [2021-06-05 00:11:12,109 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:11:12,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:11:12,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:11:12,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:11:12,112 INFO L87 Difference]: Start difference. First operand 4209 states and 14132 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 00:11:12,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:11:12,422 INFO L93 Difference]: Finished difference Result 7384 states and 24637 transitions. [2021-06-05 00:11:12,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 00:11:12,422 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 00:11:12,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:11:12,456 INFO L225 Difference]: With dead ends: 7384 [2021-06-05 00:11:12,456 INFO L226 Difference]: Without dead ends: 5184 [2021-06-05 00:11:12,460 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 270.7ms TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2021-06-05 00:11:12,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2021-06-05 00:11:12,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 4784. [2021-06-05 00:11:12,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4784 states, 4783 states have (on average 3.3320091992473344) internal successors, (15937), 4783 states have internal predecessors, (15937), 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 00:11:12,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4784 states to 4784 states and 15937 transitions. [2021-06-05 00:11:12,609 INFO L78 Accepts]: Start accepts. Automaton has 4784 states and 15937 transitions. Word has length 54 [2021-06-05 00:11:12,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:11:12,611 INFO L482 AbstractCegarLoop]: Abstraction has 4784 states and 15937 transitions. [2021-06-05 00:11:12,611 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 00:11:12,611 INFO L276 IsEmpty]: Start isEmpty. Operand 4784 states and 15937 transitions. [2021-06-05 00:11:12,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-06-05 00:11:12,622 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:11:12,622 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 00:11:12,623 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 00:11:12,626 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:11:12,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:11:12,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1424600964, now seen corresponding path program 2 times [2021-06-05 00:11:12,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:11:12,628 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101868360] [2021-06-05 00:11:12,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:11:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:11:12,815 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 00:11:12,816 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:11:12,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101868360] [2021-06-05 00:11:12,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101868360] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:11:12,816 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:11:12,816 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:11:12,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653730020] [2021-06-05 00:11:12,817 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:11:12,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:11:12,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:11:12,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:11:12,818 INFO L87 Difference]: Start difference. First operand 4784 states and 15937 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 00:11:13,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:11:13,090 INFO L93 Difference]: Finished difference Result 7784 states and 25782 transitions. [2021-06-05 00:11:13,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 00:11:13,091 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 00:11:13,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:11:13,109 INFO L225 Difference]: With dead ends: 7784 [2021-06-05 00:11:13,110 INFO L226 Difference]: Without dead ends: 5584 [2021-06-05 00:11:13,111 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 266.2ms TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2021-06-05 00:11:13,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5584 states. [2021-06-05 00:11:13,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5584 to 4609. [2021-06-05 00:11:13,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4609 states, 4608 states have (on average 3.3153211805555554) internal successors, (15277), 4608 states have internal predecessors, (15277), 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 00:11:13,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4609 states to 4609 states and 15277 transitions. [2021-06-05 00:11:13,253 INFO L78 Accepts]: Start accepts. Automaton has 4609 states and 15277 transitions. Word has length 54 [2021-06-05 00:11:13,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:11:13,253 INFO L482 AbstractCegarLoop]: Abstraction has 4609 states and 15277 transitions. [2021-06-05 00:11:13,253 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 00:11:13,254 INFO L276 IsEmpty]: Start isEmpty. Operand 4609 states and 15277 transitions. [2021-06-05 00:11:13,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-05 00:11:13,265 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:11:13,265 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 00:11:13,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 00:11:13,265 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:11:13,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:11:13,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1337925750, now seen corresponding path program 1 times [2021-06-05 00:11:13,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:11:13,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940798896] [2021-06-05 00:11:13,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:11:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:11:13,413 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 00:11:13,414 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:11:13,414 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940798896] [2021-06-05 00:11:13,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940798896] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:11:13,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:11:13,414 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:11:13,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159493455] [2021-06-05 00:11:13,415 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:11:13,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:11:13,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:11:13,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:11:13,416 INFO L87 Difference]: Start difference. First operand 4609 states and 15277 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 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 00:11:13,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:11:13,564 INFO L93 Difference]: Finished difference Result 5999 states and 19797 transitions. [2021-06-05 00:11:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 00:11:13,565 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 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 00:11:13,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:11:13,573 INFO L225 Difference]: With dead ends: 5999 [2021-06-05 00:11:13,574 INFO L226 Difference]: Without dead ends: 2639 [2021-06-05 00:11:13,574 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 125.2ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-06-05 00:11:13,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2639 states. [2021-06-05 00:11:13,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2639 to 2639. [2021-06-05 00:11:13,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2639 states, 2638 states have (on average 3.2505686125852917) internal successors, (8575), 2638 states have internal predecessors, (8575), 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 00:11:13,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 2639 states and 8575 transitions. [2021-06-05 00:11:13,650 INFO L78 Accepts]: Start accepts. Automaton has 2639 states and 8575 transitions. Word has length 55 [2021-06-05 00:11:13,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:11:13,650 INFO L482 AbstractCegarLoop]: Abstraction has 2639 states and 8575 transitions. [2021-06-05 00:11:13,650 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 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 00:11:13,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2639 states and 8575 transitions. [2021-06-05 00:11:13,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-06-05 00:11:13,658 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:11:13,658 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 00:11:13,658 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 00:11:13,659 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:11:13,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:11:13,659 INFO L82 PathProgramCache]: Analyzing trace with hash 822730279, now seen corresponding path program 1 times [2021-06-05 00:11:13,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:11:13,660 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432448772] [2021-06-05 00:11:13,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:11:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:11:13,740 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 00:11:13,740 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:11:13,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432448772] [2021-06-05 00:11:13,740 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432448772] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:11:13,741 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:11:13,741 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:11:13,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946078494] [2021-06-05 00:11:13,741 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:11:13,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:11:13,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:11:13,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:11:13,742 INFO L87 Difference]: Start difference. First operand 2639 states and 8575 transitions. 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 00:11:13,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:11:13,875 INFO L93 Difference]: Finished difference Result 3559 states and 11521 transitions. [2021-06-05 00:11:13,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 00:11:13,876 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 00:11:13,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:11:13,881 INFO L225 Difference]: With dead ends: 3559 [2021-06-05 00:11:13,881 INFO L226 Difference]: Without dead ends: 1729 [2021-06-05 00:11:13,881 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 123.9ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-06-05 00:11:13,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1729 states. [2021-06-05 00:11:13,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1729 to 1729. [2021-06-05 00:11:13,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1729 states, 1728 states have (on average 3.1574074074074074) internal successors, (5456), 1728 states have internal predecessors, (5456), 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 00:11:13,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 5456 transitions. [2021-06-05 00:11:13,925 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 5456 transitions. Word has length 57 [2021-06-05 00:11:13,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:11:13,925 INFO L482 AbstractCegarLoop]: Abstraction has 1729 states and 5456 transitions. [2021-06-05 00:11:13,925 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 00:11:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 5456 transitions. [2021-06-05 00:11:13,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-06-05 00:11:13,929 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:11:13,929 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] [2021-06-05 00:11:13,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 00:11:13,929 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:11:13,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:11:13,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1119585077, now seen corresponding path program 1 times [2021-06-05 00:11:13,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:11:13,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341340711] [2021-06-05 00:11:13,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:11:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:11:14,046 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 00:11:14,047 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:11:14,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341340711] [2021-06-05 00:11:14,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341340711] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:11:14,047 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:11:14,047 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 00:11:14,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109490221] [2021-06-05 00:11:14,047 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 00:11:14,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:11:14,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 00:11:14,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-05 00:11:14,048 INFO L87 Difference]: Start difference. First operand 1729 states and 5456 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 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 00:11:14,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:11:14,165 INFO L93 Difference]: Finished difference Result 1569 states and 4928 transitions. [2021-06-05 00:11:14,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 00:11:14,166 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 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 00:11:14,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:11:14,166 INFO L225 Difference]: With dead ends: 1569 [2021-06-05 00:11:14,166 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 00:11:14,166 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 155.6ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-05 00:11:14,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 00:11:14,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 00:11:14,167 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 00:11:14,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 00:11:14,167 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-06-05 00:11:14,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:11:14,167 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 00:11:14,167 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 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 00:11:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 00:11:14,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 00:11:14,168 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 00:11:14,169 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 00:11:14,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 12:11:14 BasicIcfg [2021-06-05 00:11:14,171 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 00:11:14,172 INFO L168 Benchmark]: Toolchain (without parser) took 6519.38 ms. Allocated memory was 350.2 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 312.1 MB in the beginning and 1.3 GB in the end (delta: -954.9 MB). Peak memory consumption was 164.4 MB. Max. memory is 16.0 GB. [2021-06-05 00:11:14,172 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 350.2 MB. Free memory was 330.5 MB in the beginning and 330.4 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 00:11:14,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.19 ms. Allocated memory is still 350.2 MB. Free memory was 312.0 MB in the beginning and 310.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.0 GB. [2021-06-05 00:11:14,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.21 ms. Allocated memory is still 350.2 MB. Free memory was 310.8 MB in the beginning and 308.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 00:11:14,173 INFO L168 Benchmark]: Boogie Preprocessor took 39.82 ms. Allocated memory is still 350.2 MB. Free memory was 308.7 MB in the beginning and 307.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 00:11:14,173 INFO L168 Benchmark]: RCFGBuilder took 496.43 ms. Allocated memory is still 350.2 MB. Free memory was 307.7 MB in the beginning and 282.5 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-05 00:11:14,174 INFO L168 Benchmark]: TraceAbstraction took 5371.30 ms. Allocated memory was 350.2 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 282.5 MB in the beginning and 1.3 GB in the end (delta: -984.5 MB). Peak memory consumption was 138.5 MB. Max. memory is 16.0 GB. [2021-06-05 00:11:14,175 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 350.2 MB. Free memory was 330.5 MB in the beginning and 330.4 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 539.19 ms. Allocated memory is still 350.2 MB. Free memory was 312.0 MB in the beginning and 310.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 63.21 ms. Allocated memory is still 350.2 MB. Free memory was 310.8 MB in the beginning and 308.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 39.82 ms. Allocated memory is still 350.2 MB. Free memory was 308.7 MB in the beginning and 307.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 496.43 ms. Allocated memory is still 350.2 MB. Free memory was 307.7 MB in the beginning and 282.5 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5371.30 ms. Allocated memory was 350.2 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 282.5 MB in the beginning and 1.3 GB in the end (delta: -984.5 MB). Peak memory consumption was 138.5 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, 108 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5245.9ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 140.9ms, AutomataDifference: 1913.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 510.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 908 SDtfs, 1283 SDslu, 3063 SDs, 0 SdLazy, 238 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 208.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1337.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9333occurred 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: 1118.9ms AutomataMinimizationTime, 8 MinimizatonAttempts, 1375 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 35.7ms SsaConstructionTime, 222.0ms SatisfiabilityAnalysisTime, 1109.9ms InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 424 ConstructedInterpolants, 0 QuantifiedInterpolants, 2054 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...