/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/mix043_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 00:39:39,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 00:39:39,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 00:39:39,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 00:39:39,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 00:39:39,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 00:39:39,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 00:39:39,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 00:39:39,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 00:39:39,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 00:39:39,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 00:39:39,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 00:39:39,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 00:39:39,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 00:39:39,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 00:39:39,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 00:39:39,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 00:39:39,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 00:39:39,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 00:39:39,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 00:39:39,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 00:39:39,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 00:39:39,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 00:39:39,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 00:39:39,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 00:39:39,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 00:39:39,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 00:39:39,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 00:39:39,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 00:39:39,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 00:39:39,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 00:39:39,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 00:39:39,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 00:39:39,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 00:39:39,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 00:39:39,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 00:39:39,923 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 00:39:39,946 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 00:39:39,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 00:39:39,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 00:39:39,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 00:39:39,948 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 00:39:39,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 00:39:39,949 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 00:39:39,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 00:39:39,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 00:39:39,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 00:39:39,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 00:39:39,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 00:39:39,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 00:39:39,950 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 00:39:39,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 00:39:39,950 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 00:39:39,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 00:39:39,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 00:39:39,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 00:39:39,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 00:39:39,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 00:39:39,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:39:39,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 00:39:39,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 00:39:39,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 00:39:39,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 00:39:39,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 00:39:39,953 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 00:39:39,953 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 00:39:39,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 00:39:39,953 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 00:39:40,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 00:39:40,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 00:39:40,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 00:39:40,268 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 00:39:40,268 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 00:39:40,270 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix043_power.opt.i [2020-10-06 00:39:40,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197197bfd/5298b5604f8449f9ac49954fd24baf00/FLAG0d0b2107c [2020-10-06 00:39:40,895 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 00:39:40,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix043_power.opt.i [2020-10-06 00:39:40,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197197bfd/5298b5604f8449f9ac49954fd24baf00/FLAG0d0b2107c [2020-10-06 00:39:41,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197197bfd/5298b5604f8449f9ac49954fd24baf00 [2020-10-06 00:39:41,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 00:39:41,226 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 00:39:41,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 00:39:41,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 00:39:41,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 00:39:41,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:39:41" (1/1) ... [2020-10-06 00:39:41,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6183d166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:39:41, skipping insertion in model container [2020-10-06 00:39:41,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:39:41" (1/1) ... [2020-10-06 00:39:41,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 00:39:41,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 00:39:41,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:39:41,939 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 00:39:42,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:39:42,078 INFO L208 MainTranslator]: Completed translation [2020-10-06 00:39:42,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:39:42 WrapperNode [2020-10-06 00:39:42,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 00:39:42,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 00:39:42,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 00:39:42,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 00:39:42,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:39:42" (1/1) ... [2020-10-06 00:39:42,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:39:42" (1/1) ... [2020-10-06 00:39:42,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 00:39:42,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 00:39:42,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 00:39:42,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 00:39:42,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:39:42" (1/1) ... [2020-10-06 00:39:42,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:39:42" (1/1) ... [2020-10-06 00:39:42,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:39:42" (1/1) ... [2020-10-06 00:39:42,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:39:42" (1/1) ... [2020-10-06 00:39:42,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:39:42" (1/1) ... [2020-10-06 00:39:42,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:39:42" (1/1) ... [2020-10-06 00:39:42,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:39:42" (1/1) ... [2020-10-06 00:39:42,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 00:39:42,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 00:39:42,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 00:39:42,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 00:39:42,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:39:42" (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 00:39:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 00:39:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 00:39:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 00:39:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 00:39:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 00:39:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 00:39:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 00:39:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 00:39:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-06 00:39:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-06 00:39:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-06 00:39:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-06 00:39:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 00:39:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 00:39:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 00:39:42,261 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 00:39:44,140 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 00:39:44,141 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-06 00:39:44,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:39:44 BoogieIcfgContainer [2020-10-06 00:39:44,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 00:39:44,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 00:39:44,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 00:39:44,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 00:39:44,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 12:39:41" (1/3) ... [2020-10-06 00:39:44,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af8937e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:39:44, skipping insertion in model container [2020-10-06 00:39:44,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:39:42" (2/3) ... [2020-10-06 00:39:44,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af8937e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:39:44, skipping insertion in model container [2020-10-06 00:39:44,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:39:44" (3/3) ... [2020-10-06 00:39:44,156 INFO L109 eAbstractionObserver]: Analyzing ICFG mix043_power.opt.i [2020-10-06 00:39:44,167 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 00:39:44,168 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 00:39:44,179 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-06 00:39:44,180 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 00:39:44,227 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,227 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,227 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,228 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,228 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,228 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,229 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,229 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,230 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,230 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,234 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,234 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,234 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,234 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,234 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,234 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,235 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,235 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,237 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,237 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,237 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,238 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,238 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,238 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,239 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,239 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,239 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,245 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,246 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,246 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,246 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,249 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,250 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,252 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,252 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,253 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,253 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,253 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,253 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,253 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,253 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,254 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,254 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,255 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,255 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,259 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,260 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:39:44,277 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-06 00:39:44,301 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:39:44,301 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:39:44,301 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:39:44,301 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:39:44,303 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:39:44,303 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:39:44,304 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:39:44,304 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:39:44,325 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 246 flow [2020-10-06 00:39:44,328 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 246 flow [2020-10-06 00:39:44,402 INFO L129 PetriNetUnfolder]: 2/109 cut-off events. [2020-10-06 00:39:44,402 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:39:44,409 INFO L80 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2020-10-06 00:39:44,416 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 246 flow [2020-10-06 00:39:44,456 INFO L129 PetriNetUnfolder]: 2/109 cut-off events. [2020-10-06 00:39:44,456 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:39:44,458 INFO L80 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2020-10-06 00:39:44,461 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2540 [2020-10-06 00:39:44,462 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:39:45,802 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2020-10-06 00:39:45,847 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 2, 2, 1] term [2020-10-06 00:39:45,848 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-06 00:39:45,853 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-06 00:39:45,854 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-06 00:39:46,660 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 127 [2020-10-06 00:39:47,455 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-06 00:39:48,407 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-06 00:39:48,761 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-06 00:39:49,385 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 122 [2020-10-06 00:39:49,665 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-06 00:39:50,001 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-06 00:39:50,281 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-06 00:39:50,968 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2020-10-06 00:39:51,319 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-06 00:39:51,883 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-06 00:39:52,309 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-06 00:39:52,958 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-06 00:39:53,442 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-06 00:39:53,749 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-10-06 00:39:53,880 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-06 00:39:53,889 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6042 [2020-10-06 00:39:53,889 INFO L214 etLargeBlockEncoding]: Total number of compositions: 89 [2020-10-06 00:39:53,892 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 32 transitions, 84 flow [2020-10-06 00:39:54,085 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3002 states. [2020-10-06 00:39:54,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states. [2020-10-06 00:39:54,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-06 00:39:54,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:39:54,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:39:54,097 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:39:54,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:39:54,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1043443489, now seen corresponding path program 1 times [2020-10-06 00:39:54,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:39:54,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914504442] [2020-10-06 00:39:54,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:39:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:39:54,376 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 00:39:54,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914504442] [2020-10-06 00:39:54,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:39:54,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:39:54,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [238370170] [2020-10-06 00:39:54,379 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:39:54,383 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:39:54,397 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-06 00:39:54,398 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:39:54,402 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:39:54,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:39:54,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:39:54,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:39:54,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:39:54,420 INFO L87 Difference]: Start difference. First operand 3002 states. Second operand 3 states. [2020-10-06 00:39:54,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:39:54,532 INFO L93 Difference]: Finished difference Result 2602 states and 10064 transitions. [2020-10-06 00:39:54,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:39:54,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-06 00:39:54,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:39:54,572 INFO L225 Difference]: With dead ends: 2602 [2020-10-06 00:39:54,572 INFO L226 Difference]: Without dead ends: 2122 [2020-10-06 00:39:54,574 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 00:39:54,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2020-10-06 00:39:54,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 2122. [2020-10-06 00:39:54,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2122 states. [2020-10-06 00:39:54,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 8080 transitions. [2020-10-06 00:39:54,720 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 8080 transitions. Word has length 9 [2020-10-06 00:39:54,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:39:54,721 INFO L479 AbstractCegarLoop]: Abstraction has 2122 states and 8080 transitions. [2020-10-06 00:39:54,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:39:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 8080 transitions. [2020-10-06 00:39:54,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-06 00:39:54,724 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:39:54,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:39:54,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 00:39:54,725 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:39:54,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:39:54,725 INFO L82 PathProgramCache]: Analyzing trace with hash 2021870059, now seen corresponding path program 1 times [2020-10-06 00:39:54,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:39:54,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924504021] [2020-10-06 00:39:54,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:39:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:39:54,852 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 00:39:54,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924504021] [2020-10-06 00:39:54,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:39:54,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:39:54,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [351596628] [2020-10-06 00:39:54,854 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:39:54,856 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:39:54,858 INFO L258 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-06 00:39:54,859 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:39:54,860 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:39:54,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:39:54,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:39:54,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:39:54,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:39:54,863 INFO L87 Difference]: Start difference. First operand 2122 states and 8080 transitions. Second operand 3 states. [2020-10-06 00:39:54,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:39:54,897 INFO L93 Difference]: Finished difference Result 1962 states and 7392 transitions. [2020-10-06 00:39:54,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:39:54,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-06 00:39:54,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:39:54,916 INFO L225 Difference]: With dead ends: 1962 [2020-10-06 00:39:54,917 INFO L226 Difference]: Without dead ends: 1962 [2020-10-06 00:39:54,917 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 00:39:54,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-06 00:39:54,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2020-10-06 00:39:54,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-06 00:39:55,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 7392 transitions. [2020-10-06 00:39:55,008 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 7392 transitions. Word has length 11 [2020-10-06 00:39:55,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:39:55,008 INFO L479 AbstractCegarLoop]: Abstraction has 1962 states and 7392 transitions. [2020-10-06 00:39:55,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:39:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 7392 transitions. [2020-10-06 00:39:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-06 00:39:55,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:39:55,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:39:55,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 00:39:55,018 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:39:55,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:39:55,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1691310603, now seen corresponding path program 1 times [2020-10-06 00:39:55,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:39:55,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744635664] [2020-10-06 00:39:55,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:39:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:39:55,181 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 00:39:55,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744635664] [2020-10-06 00:39:55,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:39:55,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:39:55,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1914521317] [2020-10-06 00:39:55,183 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:39:55,186 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:39:55,190 INFO L258 McrAutomatonBuilder]: Finished intersection with 17 states and 19 transitions. [2020-10-06 00:39:55,190 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:39:55,209 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:39:55,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:39:55,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:39:55,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:39:55,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:39:55,210 INFO L87 Difference]: Start difference. First operand 1962 states and 7392 transitions. Second operand 5 states. [2020-10-06 00:39:55,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:39:55,382 INFO L93 Difference]: Finished difference Result 1898 states and 7104 transitions. [2020-10-06 00:39:55,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 00:39:55,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-06 00:39:55,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:39:55,405 INFO L225 Difference]: With dead ends: 1898 [2020-10-06 00:39:55,405 INFO L226 Difference]: Without dead ends: 1898 [2020-10-06 00:39:55,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:39:55,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2020-10-06 00:39:55,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1898. [2020-10-06 00:39:55,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1898 states. [2020-10-06 00:39:55,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1898 states and 7104 transitions. [2020-10-06 00:39:55,491 INFO L78 Accepts]: Start accepts. Automaton has 1898 states and 7104 transitions. Word has length 13 [2020-10-06 00:39:55,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:39:55,491 INFO L479 AbstractCegarLoop]: Abstraction has 1898 states and 7104 transitions. [2020-10-06 00:39:55,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:39:55,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 7104 transitions. [2020-10-06 00:39:55,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-06 00:39:55,494 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:39:55,494 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:39:55,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 00:39:55,495 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:39:55,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:39:55,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1849378380, now seen corresponding path program 1 times [2020-10-06 00:39:55,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:39:55,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670692280] [2020-10-06 00:39:55,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:39:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:39:55,659 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 00:39:55,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670692280] [2020-10-06 00:39:55,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:39:55,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:39:55,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1703289203] [2020-10-06 00:39:55,661 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:39:55,664 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:39:55,669 INFO L258 McrAutomatonBuilder]: Finished intersection with 20 states and 23 transitions. [2020-10-06 00:39:55,669 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:39:55,686 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:39:55,706 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:39:55,722 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:39:55,735 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:39:55,740 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:39:55,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:39:55,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:39:55,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:39:55,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:39:55,741 INFO L87 Difference]: Start difference. First operand 1898 states and 7104 transitions. Second operand 4 states. [2020-10-06 00:39:55,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:39:55,785 INFO L93 Difference]: Finished difference Result 1162 states and 4112 transitions. [2020-10-06 00:39:55,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:39:55,786 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-06 00:39:55,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:39:55,786 INFO L225 Difference]: With dead ends: 1162 [2020-10-06 00:39:55,787 INFO L226 Difference]: Without dead ends: 0 [2020-10-06 00:39:55,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:39:55,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-06 00:39:55,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-06 00:39:55,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-06 00:39:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-06 00:39:55,788 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-10-06 00:39:55,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:39:55,788 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-06 00:39:55,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:39:55,788 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-06 00:39:55,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-06 00:39:55,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 00:39:55,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 12:39:55 BasicIcfg [2020-10-06 00:39:55,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 00:39:55,794 INFO L168 Benchmark]: Toolchain (without parser) took 14568.83 ms. Allocated memory was 138.4 MB in the beginning and 365.4 MB in the end (delta: 227.0 MB). Free memory was 99.9 MB in the beginning and 235.5 MB in the end (delta: -135.6 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. [2020-10-06 00:39:55,795 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-06 00:39:55,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 852.34 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 99.7 MB in the beginning and 153.2 MB in the end (delta: -53.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2020-10-06 00:39:55,797 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.76 ms. Allocated memory is still 200.3 MB. Free memory was 153.2 MB in the beginning and 149.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-10-06 00:39:55,798 INFO L168 Benchmark]: Boogie Preprocessor took 38.64 ms. Allocated memory is still 200.3 MB. Free memory was 149.9 MB in the beginning and 147.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-06 00:39:55,799 INFO L168 Benchmark]: RCFGBuilder took 1960.44 ms. Allocated memory was 200.3 MB in the beginning and 250.6 MB in the end (delta: 50.3 MB). Free memory was 147.1 MB in the beginning and 190.4 MB in the end (delta: -43.2 MB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB. [2020-10-06 00:39:55,800 INFO L168 Benchmark]: TraceAbstraction took 11645.99 ms. Allocated memory was 250.6 MB in the beginning and 365.4 MB in the end (delta: 114.8 MB). Free memory was 188.5 MB in the beginning and 235.5 MB in the end (delta: -47.0 MB). Peak memory consumption was 67.8 MB. Max. memory is 7.1 GB. [2020-10-06 00:39:55,804 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 852.34 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 99.7 MB in the beginning and 153.2 MB in the end (delta: -53.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.76 ms. Allocated memory is still 200.3 MB. Free memory was 153.2 MB in the beginning and 149.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.64 ms. Allocated memory is still 200.3 MB. Free memory was 149.9 MB in the beginning and 147.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1960.44 ms. Allocated memory was 200.3 MB in the beginning and 250.6 MB in the end (delta: 50.3 MB). Free memory was 147.1 MB in the beginning and 190.4 MB in the end (delta: -43.2 MB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11645.99 ms. Allocated memory was 250.6 MB in the beginning and 365.4 MB in the end (delta: 114.8 MB). Free memory was 188.5 MB in the beginning and 235.5 MB in the end (delta: -47.0 MB). Peak memory consumption was 67.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 9.5s, 124 ProgramPointsBefore, 45 ProgramPointsAfterwards, 113 TransitionsBefore, 32 TransitionsAfterwards, 2540 CoEnabledTransitionPairs, 7 FixpointIterations, 38 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 2 ChoiceCompositions, 1358 VarBasedMoverChecksPositive, 48 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 6042 CheckedPairsTotal, 89 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 5 procedures, 112 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.7s, HoareTripleCheckerStatistics: 101 SDtfs, 82 SDslu, 123 SDs, 0 SdLazy, 56 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3002occurred 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: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 2660 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...