/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/rfi001_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 00:51:19,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 00:51:19,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 00:51:19,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 00:51:19,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 00:51:19,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 00:51:19,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 00:51:19,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 00:51:19,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 00:51:19,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 00:51:19,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 00:51:19,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 00:51:19,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 00:51:19,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 00:51:19,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 00:51:19,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 00:51:19,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 00:51:19,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 00:51:19,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 00:51:19,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 00:51:19,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 00:51:19,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 00:51:19,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 00:51:19,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 00:51:19,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 00:51:19,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 00:51:19,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 00:51:19,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 00:51:19,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 00:51:19,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 00:51:19,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 00:51:19,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 00:51:19,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 00:51:19,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 00:51:19,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 00:51:19,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 00:51:19,849 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-06 00:51:19,890 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 00:51:19,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 00:51:19,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 00:51:19,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 00:51:19,892 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 00:51:19,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 00:51:19,893 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 00:51:19,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 00:51:19,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 00:51:19,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 00:51:19,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 00:51:19,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 00:51:19,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 00:51:19,895 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 00:51:19,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 00:51:19,895 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 00:51:19,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 00:51:19,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 00:51:19,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 00:51:19,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 00:51:19,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 00:51:19,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:51:19,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 00:51:19,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 00:51:19,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 00:51:19,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 00:51:19,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 00:51:19,897 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 00:51:19,898 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 00:51:19,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 00:51:19,898 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 00:51:20,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 00:51:20,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 00:51:20,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 00:51:20,204 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 00:51:20,204 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 00:51:20,205 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi001_tso.opt.i [2020-10-06 00:51:20,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa534e3fc/72abeb9c2b7e4be98e752154ba78cdfb/FLAGcf983483f [2020-10-06 00:51:20,847 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 00:51:20,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi001_tso.opt.i [2020-10-06 00:51:20,864 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa534e3fc/72abeb9c2b7e4be98e752154ba78cdfb/FLAGcf983483f [2020-10-06 00:51:21,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa534e3fc/72abeb9c2b7e4be98e752154ba78cdfb [2020-10-06 00:51:21,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 00:51:21,136 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 00:51:21,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 00:51:21,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 00:51:21,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 00:51:21,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:51:21" (1/1) ... [2020-10-06 00:51:21,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ff41f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:21, skipping insertion in model container [2020-10-06 00:51:21,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:51:21" (1/1) ... [2020-10-06 00:51:21,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 00:51:21,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 00:51:21,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:51:21,676 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 00:51:21,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:51:21,852 INFO L208 MainTranslator]: Completed translation [2020-10-06 00:51:21,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:21 WrapperNode [2020-10-06 00:51:21,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 00:51:21,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 00:51:21,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 00:51:21,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 00:51:21,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:21" (1/1) ... [2020-10-06 00:51:21,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:21" (1/1) ... [2020-10-06 00:51:21,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 00:51:21,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 00:51:21,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 00:51:21,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 00:51:21,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:21" (1/1) ... [2020-10-06 00:51:21,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:21" (1/1) ... [2020-10-06 00:51:21,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:21" (1/1) ... [2020-10-06 00:51:21,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:21" (1/1) ... [2020-10-06 00:51:21,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:21" (1/1) ... [2020-10-06 00:51:21,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:21" (1/1) ... [2020-10-06 00:51:21,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:21" (1/1) ... [2020-10-06 00:51:21,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 00:51:21,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 00:51:21,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 00:51:21,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 00:51:21,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:51:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 00:51:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 00:51:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 00:51:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 00:51:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 00:51:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 00:51:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 00:51:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 00:51:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 00:51:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 00:51:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 00:51:22,062 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 00:51:24,056 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 00:51:24,057 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-06 00:51:24,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:51:24 BoogieIcfgContainer [2020-10-06 00:51:24,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 00:51:24,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 00:51:24,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 00:51:24,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 00:51:24,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 12:51:21" (1/3) ... [2020-10-06 00:51:24,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20cbe2d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:51:24, skipping insertion in model container [2020-10-06 00:51:24,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:21" (2/3) ... [2020-10-06 00:51:24,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20cbe2d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:51:24, skipping insertion in model container [2020-10-06 00:51:24,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:51:24" (3/3) ... [2020-10-06 00:51:24,068 INFO L109 eAbstractionObserver]: Analyzing ICFG rfi001_tso.opt.i [2020-10-06 00:51:24,078 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 00:51:24,079 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 00:51:24,087 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-06 00:51:24,088 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 00:51:24,115 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,116 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,116 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,124 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,127 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,128 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,128 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,128 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,129 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,136 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,136 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,136 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,136 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,137 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,138 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,141 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,141 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,141 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:24,159 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-06 00:51:24,180 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:51:24,180 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:51:24,180 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:51:24,180 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:51:24,180 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:51:24,181 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:51:24,181 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:51:24,181 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:51:24,196 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 79 transitions, 168 flow [2020-10-06 00:51:24,198 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 79 transitions, 168 flow [2020-10-06 00:51:24,240 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-06 00:51:24,241 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:51:24,245 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2020-10-06 00:51:24,248 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 79 transitions, 168 flow [2020-10-06 00:51:24,268 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-06 00:51:24,268 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:51:24,269 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2020-10-06 00:51:24,271 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1012 [2020-10-06 00:51:24,272 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:51:25,679 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2020-10-06 00:51:25,715 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 2, 2, 1] term [2020-10-06 00:51:25,715 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-06 00:51:25,718 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 1] term [2020-10-06 00:51:25,718 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-06 00:51:26,518 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 122 [2020-10-06 00:51:27,614 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2020-10-06 00:51:27,746 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-06 00:51:28,430 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2020-10-06 00:51:28,700 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-06 00:51:29,332 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 118 [2020-10-06 00:51:29,637 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-06 00:51:30,144 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-06 00:51:30,459 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-06 00:51:30,725 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-06 00:51:30,829 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-06 00:51:30,836 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2573 [2020-10-06 00:51:30,836 INFO L214 etLargeBlockEncoding]: Total number of compositions: 69 [2020-10-06 00:51:30,840 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 20 transitions, 50 flow [2020-10-06 00:51:30,858 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 187 states. [2020-10-06 00:51:30,860 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2020-10-06 00:51:30,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 00:51:30,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:30,868 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 00:51:30,868 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:30,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:30,874 INFO L82 PathProgramCache]: Analyzing trace with hash 876717738, now seen corresponding path program 1 times [2020-10-06 00:51:30,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:30,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851939715] [2020-10-06 00:51:30,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:31,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851939715] [2020-10-06 00:51:31,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:31,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:51:31,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1209074739] [2020-10-06 00:51:31,152 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:31,154 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:31,167 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 00:51:31,167 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:31,171 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:51:31,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:51:31,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:31,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:51:31,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:51:31,185 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 3 states. [2020-10-06 00:51:31,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:31,286 INFO L93 Difference]: Finished difference Result 162 states and 385 transitions. [2020-10-06 00:51:31,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:51:31,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-06 00:51:31,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:31,308 INFO L225 Difference]: With dead ends: 162 [2020-10-06 00:51:31,309 INFO L226 Difference]: Without dead ends: 132 [2020-10-06 00:51:31,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:51:31,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-06 00:51:31,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-10-06 00:51:31,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-06 00:51:31,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 306 transitions. [2020-10-06 00:51:31,385 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 306 transitions. Word has length 5 [2020-10-06 00:51:31,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:31,386 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 306 transitions. [2020-10-06 00:51:31,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:51:31,386 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 306 transitions. [2020-10-06 00:51:31,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-06 00:51:31,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:31,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:51:31,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 00:51:31,387 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:31,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:31,388 INFO L82 PathProgramCache]: Analyzing trace with hash 712187279, now seen corresponding path program 1 times [2020-10-06 00:51:31,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:31,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414450895] [2020-10-06 00:51:31,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:31,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:31,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414450895] [2020-10-06 00:51:31,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:31,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:51:31,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1621488229] [2020-10-06 00:51:31,515 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:31,517 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:31,520 INFO L258 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-06 00:51:31,520 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:31,521 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:51:31,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:51:31,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:31,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:51:31,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:51:31,523 INFO L87 Difference]: Start difference. First operand 132 states and 306 transitions. Second operand 3 states. [2020-10-06 00:51:31,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:31,556 INFO L93 Difference]: Finished difference Result 127 states and 292 transitions. [2020-10-06 00:51:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:51:31,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-06 00:51:31,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:31,558 INFO L225 Difference]: With dead ends: 127 [2020-10-06 00:51:31,558 INFO L226 Difference]: Without dead ends: 127 [2020-10-06 00:51:31,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:51:31,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-06 00:51:31,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2020-10-06 00:51:31,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-10-06 00:51:31,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 292 transitions. [2020-10-06 00:51:31,570 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 292 transitions. Word has length 7 [2020-10-06 00:51:31,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:31,571 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 292 transitions. [2020-10-06 00:51:31,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:51:31,571 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 292 transitions. [2020-10-06 00:51:31,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-06 00:51:31,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:31,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:51:31,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 00:51:31,572 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:31,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:31,573 INFO L82 PathProgramCache]: Analyzing trace with hash 602881578, now seen corresponding path program 1 times [2020-10-06 00:51:31,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:31,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482204241] [2020-10-06 00:51:31,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:31,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482204241] [2020-10-06 00:51:31,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:31,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:51:31,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1557120285] [2020-10-06 00:51:31,670 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:31,671 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:31,677 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 10 transitions. [2020-10-06 00:51:31,677 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:31,727 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:51:31,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:51:31,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:31,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:51:31,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:51:31,728 INFO L87 Difference]: Start difference. First operand 127 states and 292 transitions. Second operand 3 states. [2020-10-06 00:51:31,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:31,742 INFO L93 Difference]: Finished difference Result 122 states and 278 transitions. [2020-10-06 00:51:31,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:51:31,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-06 00:51:31,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:31,745 INFO L225 Difference]: With dead ends: 122 [2020-10-06 00:51:31,745 INFO L226 Difference]: Without dead ends: 122 [2020-10-06 00:51:31,745 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:51:31,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-06 00:51:31,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-10-06 00:51:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-06 00:51:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 278 transitions. [2020-10-06 00:51:31,754 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 278 transitions. Word has length 8 [2020-10-06 00:51:31,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:31,754 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 278 transitions. [2020-10-06 00:51:31,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:51:31,754 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 278 transitions. [2020-10-06 00:51:31,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-06 00:51:31,755 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:31,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:51:31,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 00:51:31,756 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:31,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:31,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1509459439, now seen corresponding path program 1 times [2020-10-06 00:51:31,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:31,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142932561] [2020-10-06 00:51:31,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:31,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:31,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142932561] [2020-10-06 00:51:31,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:31,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:51:31,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [598838213] [2020-10-06 00:51:31,952 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:31,954 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:31,956 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 15 transitions. [2020-10-06 00:51:31,956 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:31,968 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 2, 2, 2, 2, 1] term [2020-10-06 00:51:31,968 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:31,969 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 2, 2, 1] term [2020-10-06 00:51:31,970 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:31,972 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 3, 3, 2, 3, 2, 1] term [2020-10-06 00:51:31,972 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:31,974 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:31,987 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:31,990 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:31,992 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:32,047 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1648#(or (and (= ~y$w_buff0_used~0 0) (<= ~y$r_buff0_thd0~0 0) (not (= 2 ~y~0)) (<= 0 ~y$r_buff0_thd0~0)) (not (= (mod ~y$w_buff0_used~0 256) 0)))] [2020-10-06 00:51:32,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-06 00:51:32,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:32,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-06 00:51:32,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:51:32,048 INFO L87 Difference]: Start difference. First operand 122 states and 278 transitions. Second operand 6 states. [2020-10-06 00:51:32,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:32,206 INFO L93 Difference]: Finished difference Result 134 states and 299 transitions. [2020-10-06 00:51:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 00:51:32,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2020-10-06 00:51:32,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:32,213 INFO L225 Difference]: With dead ends: 134 [2020-10-06 00:51:32,214 INFO L226 Difference]: Without dead ends: 134 [2020-10-06 00:51:32,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-06 00:51:32,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-06 00:51:32,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-10-06 00:51:32,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-06 00:51:32,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 299 transitions. [2020-10-06 00:51:32,245 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 299 transitions. Word has length 9 [2020-10-06 00:51:32,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:32,245 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 299 transitions. [2020-10-06 00:51:32,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-06 00:51:32,246 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 299 transitions. [2020-10-06 00:51:32,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-06 00:51:32,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:32,250 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:51:32,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 00:51:32,250 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:32,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:32,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1108467314, now seen corresponding path program 1 times [2020-10-06 00:51:32,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:32,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468289740] [2020-10-06 00:51:32,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:32,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:32,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468289740] [2020-10-06 00:51:32,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:32,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:51:32,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [478567868] [2020-10-06 00:51:32,468 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:32,470 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:32,473 INFO L258 McrAutomatonBuilder]: Finished intersection with 17 states and 21 transitions. [2020-10-06 00:51:32,473 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:32,497 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:32,518 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:32,534 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [2059#(= (mod ~main$tmp_guard0~0 256) 0)] [2020-10-06 00:51:32,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:51:32,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:32,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:51:32,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:51:32,536 INFO L87 Difference]: Start difference. First operand 134 states and 299 transitions. Second operand 5 states. [2020-10-06 00:51:32,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:32,572 INFO L93 Difference]: Finished difference Result 97 states and 184 transitions. [2020-10-06 00:51:32,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:51:32,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-06 00:51:32,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:32,573 INFO L225 Difference]: With dead ends: 97 [2020-10-06 00:51:32,573 INFO L226 Difference]: Without dead ends: 0 [2020-10-06 00:51:32,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:51:32,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-06 00:51:32,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-06 00:51:32,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-06 00:51:32,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-06 00:51:32,574 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-10-06 00:51:32,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:32,575 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-06 00:51:32,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:51:32,575 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-06 00:51:32,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-06 00:51:32,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 00:51:32,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 12:51:32 BasicIcfg [2020-10-06 00:51:32,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 00:51:32,582 INFO L168 Benchmark]: Toolchain (without parser) took 11446.90 ms. Allocated memory was 147.3 MB in the beginning and 318.8 MB in the end (delta: 171.4 MB). Free memory was 101.6 MB in the beginning and 128.9 MB in the end (delta: -27.3 MB). Peak memory consumption was 144.1 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:32,583 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-06 00:51:32,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.69 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 101.4 MB in the beginning and 158.1 MB in the end (delta: -56.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:32,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.73 ms. Allocated memory is still 204.5 MB. Free memory was 158.1 MB in the beginning and 155.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:32,586 INFO L168 Benchmark]: Boogie Preprocessor took 63.60 ms. Allocated memory is still 204.5 MB. Free memory was 155.5 MB in the beginning and 152.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:32,587 INFO L168 Benchmark]: RCFGBuilder took 2064.91 ms. Allocated memory was 204.5 MB in the beginning and 247.5 MB in the end (delta: 43.0 MB). Free memory was 152.9 MB in the beginning and 195.5 MB in the end (delta: -42.6 MB). Peak memory consumption was 102.2 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:32,588 INFO L168 Benchmark]: TraceAbstraction took 8519.90 ms. Allocated memory was 247.5 MB in the beginning and 318.8 MB in the end (delta: 71.3 MB). Free memory was 193.7 MB in the beginning and 128.9 MB in the end (delta: 64.8 MB). Peak memory consumption was 136.1 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:32,592 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 716.69 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 101.4 MB in the beginning and 158.1 MB in the end (delta: -56.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 69.73 ms. Allocated memory is still 204.5 MB. Free memory was 158.1 MB in the beginning and 155.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.60 ms. Allocated memory is still 204.5 MB. Free memory was 155.5 MB in the beginning and 152.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2064.91 ms. Allocated memory was 204.5 MB in the beginning and 247.5 MB in the end (delta: 43.0 MB). Free memory was 152.9 MB in the beginning and 195.5 MB in the end (delta: -42.6 MB). Peak memory consumption was 102.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8519.90 ms. Allocated memory was 247.5 MB in the beginning and 318.8 MB in the end (delta: 71.3 MB). Free memory was 193.7 MB in the beginning and 128.9 MB in the end (delta: 64.8 MB). Peak memory consumption was 136.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 6.6s, 84 ProgramPointsBefore, 27 ProgramPointsAfterwards, 79 TransitionsBefore, 20 TransitionsAfterwards, 1012 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 532 VarBasedMoverChecksPositive, 27 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2573 CheckedPairsTotal, 69 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.6s, HoareTripleCheckerStatistics: 64 SDtfs, 68 SDslu, 63 SDs, 0 SdLazy, 51 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 1579 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...