/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/safe036_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 15:46:13,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 15:46:13,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 15:46:13,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 15:46:13,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 15:46:13,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 15:46:13,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 15:46:13,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 15:46:13,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 15:46:13,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 15:46:13,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 15:46:13,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 15:46:13,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 15:46:13,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 15:46:13,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 15:46:13,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 15:46:13,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 15:46:13,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 15:46:13,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 15:46:13,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 15:46:13,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 15:46:14,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 15:46:14,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 15:46:14,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 15:46:14,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 15:46:14,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 15:46:14,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 15:46:14,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 15:46:14,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 15:46:14,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 15:46:14,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 15:46:14,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 15:46:14,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 15:46:14,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 15:46:14,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 15:46:14,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 15:46:14,034 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 [2020-11-09 15:46:14,079 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 15:46:14,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 15:46:14,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 15:46:14,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 15:46:14,082 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 15:46:14,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 15:46:14,083 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 15:46:14,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 15:46:14,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 15:46:14,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 15:46:14,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 15:46:14,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 15:46:14,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 15:46:14,085 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 15:46:14,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 15:46:14,085 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 15:46:14,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 15:46:14,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 15:46:14,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 15:46:14,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 15:46:14,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 15:46:14,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 15:46:14,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 15:46:14,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 15:46:14,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 15:46:14,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 15:46:14,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 15:46:14,089 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 15:46:14,089 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 15:46:14,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 15:46:14,090 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 15:46:14,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 15:46:14,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 15:46:14,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 15:46:14,585 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 15:46:14,586 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 15:46:14,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_rmo.opt.i [2020-11-09 15:46:14,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ccc144f/9a01ecab62d24c1aaae00e0c6fac44b5/FLAG59a3ed273 [2020-11-09 15:46:15,506 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 15:46:15,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_rmo.opt.i [2020-11-09 15:46:15,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ccc144f/9a01ecab62d24c1aaae00e0c6fac44b5/FLAG59a3ed273 [2020-11-09 15:46:15,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ccc144f/9a01ecab62d24c1aaae00e0c6fac44b5 [2020-11-09 15:46:15,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 15:46:15,752 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 15:46:15,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 15:46:15,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 15:46:15,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 15:46:15,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:46:15" (1/1) ... [2020-11-09 15:46:15,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c38b302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:15, skipping insertion in model container [2020-11-09 15:46:15,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:46:15" (1/1) ... [2020-11-09 15:46:15,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 15:46:15,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 15:46:16,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 15:46:16,499 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 15:46:16,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 15:46:16,687 INFO L208 MainTranslator]: Completed translation [2020-11-09 15:46:16,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:16 WrapperNode [2020-11-09 15:46:16,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 15:46:16,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 15:46:16,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 15:46:16,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 15:46:16,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:16" (1/1) ... [2020-11-09 15:46:16,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:16" (1/1) ... [2020-11-09 15:46:16,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 15:46:16,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 15:46:16,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 15:46:16,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 15:46:16,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:16" (1/1) ... [2020-11-09 15:46:16,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:16" (1/1) ... [2020-11-09 15:46:16,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:16" (1/1) ... [2020-11-09 15:46:16,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:16" (1/1) ... [2020-11-09 15:46:16,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:16" (1/1) ... [2020-11-09 15:46:16,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:16" (1/1) ... [2020-11-09 15:46:16,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:16" (1/1) ... [2020-11-09 15:46:16,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 15:46:16,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 15:46:16,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 15:46:16,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 15:46:16,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:16" (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 [2020-11-09 15:46:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 15:46:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 15:46:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 15:46:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 15:46:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-09 15:46:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-09 15:46:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-09 15:46:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-09 15:46:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 15:46:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 15:46:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 15:46:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 15:46:16,892 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 15:46:17,371 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 15:46:17,371 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-09 15:46:17,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:46:17 BoogieIcfgContainer [2020-11-09 15:46:17,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 15:46:17,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 15:46:17,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 15:46:17,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 15:46:17,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:46:15" (1/3) ... [2020-11-09 15:46:17,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e40c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:46:17, skipping insertion in model container [2020-11-09 15:46:17,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:46:16" (2/3) ... [2020-11-09 15:46:17,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e40c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:46:17, skipping insertion in model container [2020-11-09 15:46:17,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:46:17" (3/3) ... [2020-11-09 15:46:17,387 INFO L111 eAbstractionObserver]: Analyzing ICFG safe036_rmo.opt.i [2020-11-09 15:46:17,409 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 15:46:17,410 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 15:46:17,414 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 15:46:17,415 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 15:46:17,468 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,469 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,469 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,470 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,470 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,470 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,470 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,472 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,472 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,473 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,473 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,475 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,475 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,476 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,476 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,482 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,483 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,483 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,495 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,496 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,496 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,496 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:46:17,504 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 15:46:17,517 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-09 15:46:17,563 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:46:17,563 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:46:17,565 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:46:17,565 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:46:17,565 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:46:17,565 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:46:17,566 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:46:17,567 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:46:17,590 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:46:17,591 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 65 transitions, 140 flow [2020-11-09 15:46:17,596 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 65 transitions, 140 flow [2020-11-09 15:46:17,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 65 transitions, 140 flow [2020-11-09 15:46:17,694 INFO L129 PetriNetUnfolder]: 3/63 cut-off events. [2020-11-09 15:46:17,694 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 15:46:17,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 63 events. 3/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-11-09 15:46:17,709 INFO L116 LiptonReduction]: Number of co-enabled transitions 792 [2020-11-09 15:46:19,922 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-11-09 15:46:20,099 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-11-09 15:46:21,132 WARN L194 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-11-09 15:46:21,257 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-11-09 15:46:21,529 WARN L194 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-11-09 15:46:21,645 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-11-09 15:46:21,674 INFO L131 LiptonReduction]: Checked pairs total: 1418 [2020-11-09 15:46:21,674 INFO L133 LiptonReduction]: Total number of compositions: 63 [2020-11-09 15:46:21,684 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 17 transitions, 44 flow [2020-11-09 15:46:21,699 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 90 states. [2020-11-09 15:46:21,702 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2020-11-09 15:46:21,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 15:46:21,709 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:46:21,710 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-09 15:46:21,711 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:46:21,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:46:21,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1338798449, now seen corresponding path program 1 times [2020-11-09 15:46:21,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:46:21,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400100859] [2020-11-09 15:46:21,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:46:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:46:21,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:46:21,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400100859] [2020-11-09 15:46:21,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:46:21,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:46:21,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1937075240] [2020-11-09 15:46:21,976 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:46:21,983 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:46:22,001 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-11-09 15:46:22,001 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:46:22,011 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:46:22,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-09 15:46:22,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:46:22,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-09 15:46:22,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 15:46:22,033 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 2 states. [2020-11-09 15:46:22,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:46:22,054 INFO L93 Difference]: Finished difference Result 90 states and 200 transitions. [2020-11-09 15:46:22,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-09 15:46:22,055 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-11-09 15:46:22,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:46:22,065 INFO L225 Difference]: With dead ends: 90 [2020-11-09 15:46:22,065 INFO L226 Difference]: Without dead ends: 74 [2020-11-09 15:46:22,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 15:46:22,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-11-09 15:46:22,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-11-09 15:46:22,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-11-09 15:46:22,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 160 transitions. [2020-11-09 15:46:22,117 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 160 transitions. Word has length 6 [2020-11-09 15:46:22,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:46:22,117 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 160 transitions. [2020-11-09 15:46:22,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-09 15:46:22,117 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 160 transitions. [2020-11-09 15:46:22,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-09 15:46:22,118 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:46:22,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:46:22,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 15:46:22,119 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:46:22,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:46:22,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1446900907, now seen corresponding path program 1 times [2020-11-09 15:46:22,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:46:22,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220490764] [2020-11-09 15:46:22,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:46:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:46:22,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:46:22,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220490764] [2020-11-09 15:46:22,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:46:22,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:46:22,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1944674584] [2020-11-09 15:46:22,274 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:46:22,275 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:46:22,278 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-11-09 15:46:22,279 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:46:22,279 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:46:22,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:46:22,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:46:22,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:46:22,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:46:22,282 INFO L87 Difference]: Start difference. First operand 74 states and 160 transitions. Second operand 4 states. [2020-11-09 15:46:22,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:46:22,336 INFO L93 Difference]: Finished difference Result 63 states and 112 transitions. [2020-11-09 15:46:22,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 15:46:22,341 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-09 15:46:22,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:46:22,342 INFO L225 Difference]: With dead ends: 63 [2020-11-09 15:46:22,343 INFO L226 Difference]: Without dead ends: 47 [2020-11-09 15:46:22,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:46:22,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-09 15:46:22,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-09 15:46:22,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-09 15:46:22,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 79 transitions. [2020-11-09 15:46:22,358 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 79 transitions. Word has length 7 [2020-11-09 15:46:22,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:46:22,358 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 79 transitions. [2020-11-09 15:46:22,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:46:22,358 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2020-11-09 15:46:22,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 15:46:22,359 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:46:22,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:46:22,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 15:46:22,360 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:46:22,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:46:22,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1074461755, now seen corresponding path program 1 times [2020-11-09 15:46:22,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:46:22,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892605494] [2020-11-09 15:46:22,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:46:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:46:22,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:46:22,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892605494] [2020-11-09 15:46:22,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:46:22,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 15:46:22,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [949877167] [2020-11-09 15:46:22,458 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:46:22,459 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:46:22,462 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 22 transitions. [2020-11-09 15:46:22,462 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:46:22,514 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [660#(<= ~__unbuffered_cnt~0 0)] [2020-11-09 15:46:22,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 15:46:22,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:46:22,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 15:46:22,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-09 15:46:22,516 INFO L87 Difference]: Start difference. First operand 47 states and 79 transitions. Second operand 6 states. [2020-11-09 15:46:22,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:46:22,570 INFO L93 Difference]: Finished difference Result 36 states and 55 transitions. [2020-11-09 15:46:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 15:46:22,570 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-11-09 15:46:22,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:46:22,571 INFO L225 Difference]: With dead ends: 36 [2020-11-09 15:46:22,572 INFO L226 Difference]: Without dead ends: 29 [2020-11-09 15:46:22,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-09 15:46:22,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-09 15:46:22,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-09 15:46:22,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-09 15:46:22,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions. [2020-11-09 15:46:22,577 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 43 transitions. Word has length 10 [2020-11-09 15:46:22,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:46:22,578 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 43 transitions. [2020-11-09 15:46:22,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 15:46:22,578 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2020-11-09 15:46:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 15:46:22,579 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:46:22,579 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:46:22,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 15:46:22,580 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:46:22,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:46:22,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1774648449, now seen corresponding path program 1 times [2020-11-09 15:46:22,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:46:22,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917832773] [2020-11-09 15:46:22,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:46:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:46:22,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:46:22,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917832773] [2020-11-09 15:46:22,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:46:22,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 15:46:22,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1190713450] [2020-11-09 15:46:22,723 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:46:22,724 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:46:22,733 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 29 transitions. [2020-11-09 15:46:22,733 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:46:22,796 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:46:22,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 15:46:22,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:46:22,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 15:46:22,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:46:22,798 INFO L87 Difference]: Start difference. First operand 29 states and 43 transitions. Second operand 5 states. [2020-11-09 15:46:22,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:46:22,859 INFO L93 Difference]: Finished difference Result 37 states and 52 transitions. [2020-11-09 15:46:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 15:46:22,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 15:46:22,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:46:22,862 INFO L225 Difference]: With dead ends: 37 [2020-11-09 15:46:22,862 INFO L226 Difference]: Without dead ends: 17 [2020-11-09 15:46:22,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-09 15:46:22,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-11-09 15:46:22,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-11-09 15:46:22,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-09 15:46:22,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2020-11-09 15:46:22,866 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13 [2020-11-09 15:46:22,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:46:22,867 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2020-11-09 15:46:22,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 15:46:22,867 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-11-09 15:46:22,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 15:46:22,870 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:46:22,870 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:46:22,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 15:46:22,871 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:46:22,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:46:22,871 INFO L82 PathProgramCache]: Analyzing trace with hash 290614237, now seen corresponding path program 2 times [2020-11-09 15:46:22,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:46:22,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241392108] [2020-11-09 15:46:22,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:46:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:46:23,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:46:23,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241392108] [2020-11-09 15:46:23,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:46:23,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 15:46:23,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1309263986] [2020-11-09 15:46:23,133 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:46:23,137 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:46:23,140 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-11-09 15:46:23,140 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:46:23,140 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:46:23,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 15:46:23,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:46:23,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 15:46:23,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-11-09 15:46:23,145 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand 9 states. [2020-11-09 15:46:23,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:46:23,225 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2020-11-09 15:46:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 15:46:23,226 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-11-09 15:46:23,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:46:23,227 INFO L225 Difference]: With dead ends: 21 [2020-11-09 15:46:23,227 INFO L226 Difference]: Without dead ends: 15 [2020-11-09 15:46:23,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-11-09 15:46:23,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-11-09 15:46:23,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-11-09 15:46:23,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-09 15:46:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2020-11-09 15:46:23,230 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2020-11-09 15:46:23,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:46:23,230 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2020-11-09 15:46:23,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 15:46:23,230 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2020-11-09 15:46:23,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 15:46:23,231 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:46:23,231 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:46:23,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 15:46:23,231 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:46:23,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:46:23,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1443525937, now seen corresponding path program 3 times [2020-11-09 15:46:23,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:46:23,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981917229] [2020-11-09 15:46:23,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:46:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:46:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:46:23,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981917229] [2020-11-09 15:46:23,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:46:23,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 15:46:23,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [59998344] [2020-11-09 15:46:23,383 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:46:23,385 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:46:23,386 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 17 transitions. [2020-11-09 15:46:23,387 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:46:23,406 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [910#(and (= ~__unbuffered_p0_EAX~0 1) (<= ~__unbuffered_cnt~0 0) (<= 0 ~__unbuffered_cnt~0))] [2020-11-09 15:46:23,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-09 15:46:23,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:46:23,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-09 15:46:23,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-11-09 15:46:23,408 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 10 states. [2020-11-09 15:46:23,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:46:23,461 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2020-11-09 15:46:23,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 15:46:23,461 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 13 [2020-11-09 15:46:23,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:46:23,462 INFO L225 Difference]: With dead ends: 14 [2020-11-09 15:46:23,462 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 15:46:23,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-11-09 15:46:23,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 15:46:23,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 15:46:23,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 15:46:23,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 15:46:23,463 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-11-09 15:46:23,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:46:23,463 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 15:46:23,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-09 15:46:23,464 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 15:46:23,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 15:46:23,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 15:46:23,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 03:46:23 BasicIcfg [2020-11-09 15:46:23,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 15:46:23,469 INFO L168 Benchmark]: Toolchain (without parser) took 7723.43 ms. Allocated memory was 154.1 MB in the beginning and 185.6 MB in the end (delta: 31.5 MB). Free memory was 128.1 MB in the beginning and 139.5 MB in the end (delta: -11.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-11-09 15:46:23,470 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 154.1 MB. Free memory is still 127.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 15:46:23,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 931.64 ms. Allocated memory is still 154.1 MB. Free memory was 127.6 MB in the beginning and 130.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. [2020-11-09 15:46:23,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.37 ms. Allocated memory is still 154.1 MB. Free memory was 130.1 MB in the beginning and 128.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 15:46:23,472 INFO L168 Benchmark]: Boogie Preprocessor took 45.21 ms. Allocated memory is still 154.1 MB. Free memory was 128.0 MB in the beginning and 126.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 15:46:23,473 INFO L168 Benchmark]: RCFGBuilder took 574.32 ms. Allocated memory is still 154.1 MB. Free memory was 126.4 MB in the beginning and 107.0 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-11-09 15:46:23,474 INFO L168 Benchmark]: TraceAbstraction took 6090.42 ms. Allocated memory was 154.1 MB in the beginning and 185.6 MB in the end (delta: 31.5 MB). Free memory was 106.5 MB in the beginning and 139.5 MB in the end (delta: -33.0 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 15:46:23,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 154.1 MB. Free memory is still 127.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 931.64 ms. Allocated memory is still 154.1 MB. Free memory was 127.6 MB in the beginning and 130.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 60.37 ms. Allocated memory is still 154.1 MB. Free memory was 130.1 MB in the beginning and 128.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 45.21 ms. Allocated memory is still 154.1 MB. Free memory was 128.0 MB in the beginning and 126.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 574.32 ms. Allocated memory is still 154.1 MB. Free memory was 126.4 MB in the beginning and 107.0 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6090.42 ms. Allocated memory was 154.1 MB in the beginning and 185.6 MB in the end (delta: 31.5 MB). Free memory was 106.5 MB in the beginning and 139.5 MB in the end (delta: -33.0 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 434 VarBasedMoverChecksPositive, 11 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 25 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.0s, 69 PlacesBefore, 23 PlacesAfterwards, 65 TransitionsBefore, 17 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 63 TotalNumberOfCompositions, 1418 MoverChecksTotal - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: 76 SDtfs, 55 SDslu, 167 SDs, 0 SdLazy, 123 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 2434 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...