/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/safe029_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 15:43:49,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 15:43:49,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 15:43:49,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 15:43:49,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 15:43:49,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 15:43:49,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 15:43:49,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 15:43:49,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 15:43:49,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 15:43:49,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 15:43:49,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 15:43:49,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 15:43:49,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 15:43:49,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 15:43:49,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 15:43:49,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 15:43:49,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 15:43:49,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 15:43:49,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 15:43:49,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 15:43:49,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 15:43:49,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 15:43:49,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 15:43:49,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-09 15:43:49,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-09 15:43:49,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-09 15:43:49,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-09 15:43:49,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-09 15:43:49,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-09 15:43:50,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 15:43:50,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 15:43:50,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 15:43:50,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 15:43:50,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 15:43:50,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 15:43:50,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 15:43:50,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 15:43:50,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 15:43:50,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 15:43:50,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 15:43:50,009 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 15:43:50,066 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 15:43:50,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 15:43:50,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 15:43:50,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 15:43:50,072 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 15:43:50,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 15:43:50,072 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 15:43:50,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 15:43:50,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 15:43:50,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 15:43:50,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 15:43:50,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 15:43:50,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 15:43:50,075 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 15:43:50,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 15:43:50,075 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 15:43:50,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 15:43:50,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 15:43:50,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 15:43:50,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 15:43:50,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 15:43:50,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 15:43:50,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 15:43:50,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 15:43:50,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 15:43:50,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 15:43:50,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 15:43:50,078 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 15:43:50,078 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 15:43:50,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 15:43:50,079 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 15:43:50,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 15:43:50,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 15:43:50,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 15:43:50,508 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 15:43:50,508 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 15:43:50,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2020-11-09 15:43:50,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120511fb3/07abe2d01c014a10b89bec40b3e2cbca/FLAG43b6af2e3 [2020-11-09 15:43:51,266 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 15:43:51,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2020-11-09 15:43:51,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120511fb3/07abe2d01c014a10b89bec40b3e2cbca/FLAG43b6af2e3 [2020-11-09 15:43:51,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120511fb3/07abe2d01c014a10b89bec40b3e2cbca [2020-11-09 15:43:51,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 15:43:51,548 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 15:43:51,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 15:43:51,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 15:43:51,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 15:43:51,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:43:51" (1/1) ... [2020-11-09 15:43:51,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a0a5353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:43:51, skipping insertion in model container [2020-11-09 15:43:51,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:43:51" (1/1) ... [2020-11-09 15:43:51,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 15:43:51,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 15:43:52,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 15:43:52,110 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 15:43:52,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 15:43:52,298 INFO L208 MainTranslator]: Completed translation [2020-11-09 15:43:52,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:43:52 WrapperNode [2020-11-09 15:43:52,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 15:43:52,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 15:43:52,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 15:43:52,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 15:43:52,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:43:52" (1/1) ... [2020-11-09 15:43:52,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:43:52" (1/1) ... [2020-11-09 15:43:52,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 15:43:52,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 15:43:52,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 15:43:52,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 15:43:52,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:43:52" (1/1) ... [2020-11-09 15:43:52,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:43:52" (1/1) ... [2020-11-09 15:43:52,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:43:52" (1/1) ... [2020-11-09 15:43:52,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:43:52" (1/1) ... [2020-11-09 15:43:52,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:43:52" (1/1) ... [2020-11-09 15:43:52,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:43:52" (1/1) ... [2020-11-09 15:43:52,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:43:52" (1/1) ... [2020-11-09 15:43:52,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 15:43:52,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 15:43:52,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 15:43:52,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 15:43:52,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:43:52" (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 15:43:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 15:43:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 15:43:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 15:43:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 15:43:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-09 15:43:52,468 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-09 15:43:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-09 15:43:52,469 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-09 15:43:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 15:43:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 15:43:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 15:43:52,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 15:43:52,471 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 15:43:52,880 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 15:43:52,880 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-09 15:43:52,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:43:52 BoogieIcfgContainer [2020-11-09 15:43:52,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 15:43:52,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 15:43:52,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 15:43:52,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 15:43:52,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:43:51" (1/3) ... [2020-11-09 15:43:52,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fadf236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:43:52, skipping insertion in model container [2020-11-09 15:43:52,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:43:52" (2/3) ... [2020-11-09 15:43:52,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fadf236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:43:52, skipping insertion in model container [2020-11-09 15:43:52,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:43:52" (3/3) ... [2020-11-09 15:43:52,892 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_tso.oepc.i [2020-11-09 15:43:52,907 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 15:43:52,908 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 15:43:52,912 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 15:43:52,913 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 15:43:52,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,945 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,945 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,945 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,945 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,946 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,946 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,946 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,946 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,947 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,947 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,947 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,948 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,948 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,949 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,949 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,953 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,953 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,962 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,962 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:43:52,967 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 15:43:52,980 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-09 15:43:53,004 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:43:53,004 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:43:53,004 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:43:53,004 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:43:53,004 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:43:53,005 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:43:53,005 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:43:53,005 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:43:53,017 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:43:53,018 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 63 transitions, 136 flow [2020-11-09 15:43:53,021 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 63 transitions, 136 flow [2020-11-09 15:43:53,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 63 transitions, 136 flow [2020-11-09 15:43:53,066 INFO L129 PetriNetUnfolder]: 3/61 cut-off events. [2020-11-09 15:43:53,067 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 15:43:53,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 61 events. 3/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-11-09 15:43:53,073 INFO L116 LiptonReduction]: Number of co-enabled transitions 792 [2020-11-09 15:43:55,101 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-11-09 15:43:55,254 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-11-09 15:43:56,034 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2020-11-09 15:43:56,604 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-11-09 15:43:56,896 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-11-09 15:43:57,032 INFO L131 LiptonReduction]: Checked pairs total: 1732 [2020-11-09 15:43:57,032 INFO L133 LiptonReduction]: Total number of compositions: 67 [2020-11-09 15:43:57,041 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 16 transitions, 42 flow [2020-11-09 15:43:57,052 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 74 states. [2020-11-09 15:43:57,054 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-11-09 15:43:57,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 15:43:57,059 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:43:57,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-09 15:43:57,060 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:43:57,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:43:57,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1371543398, now seen corresponding path program 1 times [2020-11-09 15:43:57,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:43:57,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68700011] [2020-11-09 15:43:57,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:43:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:43:57,295 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 15:43:57,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68700011] [2020-11-09 15:43:57,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:43:57,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 15:43:57,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1972649617] [2020-11-09 15:43:57,299 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:43:57,304 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:43:57,315 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-11-09 15:43:57,315 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:43:57,319 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:43:57,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:43:57,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:43:57,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:43:57,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:43:57,338 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-11-09 15:43:57,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:43:57,368 INFO L93 Difference]: Finished difference Result 72 states and 154 transitions. [2020-11-09 15:43:57,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:43:57,370 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-09 15:43:57,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:43:57,381 INFO L225 Difference]: With dead ends: 72 [2020-11-09 15:43:57,381 INFO L226 Difference]: Without dead ends: 56 [2020-11-09 15:43:57,383 INFO L677 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 [2020-11-09 15:43:57,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-11-09 15:43:57,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-11-09 15:43:57,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-11-09 15:43:57,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 114 transitions. [2020-11-09 15:43:57,444 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 114 transitions. Word has length 6 [2020-11-09 15:43:57,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:43:57,445 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 114 transitions. [2020-11-09 15:43:57,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:43:57,445 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 114 transitions. [2020-11-09 15:43:57,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-09 15:43:57,446 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:43:57,446 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:43:57,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 15:43:57,447 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:43:57,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:43:57,448 INFO L82 PathProgramCache]: Analyzing trace with hash 431820270, now seen corresponding path program 1 times [2020-11-09 15:43:57,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:43:57,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221712542] [2020-11-09 15:43:57,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:43:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:43:57,521 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 15:43:57,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221712542] [2020-11-09 15:43:57,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:43:57,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 15:43:57,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [930454941] [2020-11-09 15:43:57,522 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:43:57,523 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:43:57,525 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 9 transitions. [2020-11-09 15:43:57,525 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:43:57,536 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:43:57,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:43:57,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:43:57,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:43:57,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:43:57,539 INFO L87 Difference]: Start difference. First operand 56 states and 114 transitions. Second operand 3 states. [2020-11-09 15:43:57,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:43:57,550 INFO L93 Difference]: Finished difference Result 55 states and 111 transitions. [2020-11-09 15:43:57,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:43:57,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-09 15:43:57,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:43:57,552 INFO L225 Difference]: With dead ends: 55 [2020-11-09 15:43:57,552 INFO L226 Difference]: Without dead ends: 55 [2020-11-09 15:43:57,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:43:57,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-09 15:43:57,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-09 15:43:57,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-09 15:43:57,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 111 transitions. [2020-11-09 15:43:57,562 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 111 transitions. Word has length 7 [2020-11-09 15:43:57,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:43:57,563 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 111 transitions. [2020-11-09 15:43:57,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:43:57,563 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 111 transitions. [2020-11-09 15:43:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 15:43:57,564 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:43:57,564 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:43:57,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 15:43:57,564 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:43:57,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:43:57,565 INFO L82 PathProgramCache]: Analyzing trace with hash -383094824, now seen corresponding path program 1 times [2020-11-09 15:43:57,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:43:57,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548125252] [2020-11-09 15:43:57,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:43:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:43:57,666 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 15:43:57,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548125252] [2020-11-09 15:43:57,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:43:57,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:43:57,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [151227560] [2020-11-09 15:43:57,667 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:43:57,668 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:43:57,671 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 21 transitions. [2020-11-09 15:43:57,671 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:43:57,707 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-09 15:43:57,787 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-09 15:43:57,807 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:43:57,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:43:57,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:43:57,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:43:57,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:43:57,809 INFO L87 Difference]: Start difference. First operand 55 states and 111 transitions. Second operand 4 states. [2020-11-09 15:43:57,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:43:57,862 INFO L93 Difference]: Finished difference Result 56 states and 99 transitions. [2020-11-09 15:43:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 15:43:57,863 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-11-09 15:43:57,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:43:57,864 INFO L225 Difference]: With dead ends: 56 [2020-11-09 15:43:57,864 INFO L226 Difference]: Without dead ends: 40 [2020-11-09 15:43:57,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 2 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 15:43:57,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-09 15:43:57,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-11-09 15:43:57,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-09 15:43:57,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 66 transitions. [2020-11-09 15:43:57,871 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 66 transitions. Word has length 8 [2020-11-09 15:43:57,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:43:57,872 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 66 transitions. [2020-11-09 15:43:57,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:43:57,872 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2020-11-09 15:43:57,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 15:43:57,873 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:43:57,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:43:57,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 15:43:57,873 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:43:57,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:43:57,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1007823895, now seen corresponding path program 1 times [2020-11-09 15:43:57,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:43:57,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458973368] [2020-11-09 15:43:57,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:43:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:43:57,923 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 15:43:57,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458973368] [2020-11-09 15:43:57,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:43:57,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:43:57,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [918430101] [2020-11-09 15:43:57,924 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:43:57,925 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:43:57,927 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 21 transitions. [2020-11-09 15:43:57,927 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:43:57,981 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:43:57,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:43:57,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:43:57,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:43:57,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:43:57,983 INFO L87 Difference]: Start difference. First operand 40 states and 66 transitions. Second operand 3 states. [2020-11-09 15:43:57,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:43:57,999 INFO L93 Difference]: Finished difference Result 51 states and 79 transitions. [2020-11-09 15:43:58,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:43:58,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-09 15:43:58,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:43:58,001 INFO L225 Difference]: With dead ends: 51 [2020-11-09 15:43:58,001 INFO L226 Difference]: Without dead ends: 41 [2020-11-09 15:43:58,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:43:58,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-11-09 15:43:58,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2020-11-09 15:43:58,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-09 15:43:58,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 60 transitions. [2020-11-09 15:43:58,007 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 60 transitions. Word has length 9 [2020-11-09 15:43:58,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:43:58,007 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 60 transitions. [2020-11-09 15:43:58,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:43:58,008 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2020-11-09 15:43:58,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 15:43:58,008 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:43:58,009 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:43:58,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 15:43:58,009 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:43:58,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:43:58,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1633722403, now seen corresponding path program 1 times [2020-11-09 15:43:58,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:43:58,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523892322] [2020-11-09 15:43:58,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:43:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:43:58,057 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 15:43:58,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523892322] [2020-11-09 15:43:58,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:43:58,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:43:58,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1140715449] [2020-11-09 15:43:58,059 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:43:58,060 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:43:58,061 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-11-09 15:43:58,061 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:43:58,061 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:43:58,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:43:58,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:43:58,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:43:58,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:43:58,063 INFO L87 Difference]: Start difference. First operand 39 states and 60 transitions. Second operand 3 states. [2020-11-09 15:43:58,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:43:58,078 INFO L93 Difference]: Finished difference Result 42 states and 57 transitions. [2020-11-09 15:43:58,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:43:58,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-09 15:43:58,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:43:58,079 INFO L225 Difference]: With dead ends: 42 [2020-11-09 15:43:58,080 INFO L226 Difference]: Without dead ends: 31 [2020-11-09 15:43:58,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:43:58,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-09 15:43:58,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2020-11-09 15:43:58,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-09 15:43:58,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-11-09 15:43:58,084 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2020-11-09 15:43:58,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:43:58,085 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-11-09 15:43:58,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:43:58,085 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-11-09 15:43:58,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 15:43:58,085 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:43:58,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:43:58,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 15:43:58,086 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:43:58,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:43:58,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1177733491, now seen corresponding path program 1 times [2020-11-09 15:43:58,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:43:58,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315003556] [2020-11-09 15:43:58,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:43:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:43:58,219 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 15:43:58,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315003556] [2020-11-09 15:43:58,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:43:58,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:43:58,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [62039809] [2020-11-09 15:43:58,220 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:43:58,221 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:43:58,223 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 29 transitions. [2020-11-09 15:43:58,223 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:43:58,267 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-09 15:43:58,339 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:43:58,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 15:43:58,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:43:58,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 15:43:58,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:43:58,341 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 5 states. [2020-11-09 15:43:58,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:43:58,378 INFO L93 Difference]: Finished difference Result 25 states and 34 transitions. [2020-11-09 15:43:58,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 15:43:58,378 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-11-09 15:43:58,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:43:58,378 INFO L225 Difference]: With dead ends: 25 [2020-11-09 15:43:58,379 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 15:43:58,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-09 15:43:58,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 15:43:58,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 15:43:58,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 15:43:58,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 15:43:58,380 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-11-09 15:43:58,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:43:58,380 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 15:43:58,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 15:43:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 15:43:58,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 15:43:58,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 15:43:58,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 03:43:58 BasicIcfg [2020-11-09 15:43:58,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 15:43:58,386 INFO L168 Benchmark]: Toolchain (without parser) took 6843.90 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 124.9 MB in the beginning and 98.6 MB in the end (delta: 26.3 MB). Peak memory consumption was 58.2 MB. Max. memory is 8.0 GB. [2020-11-09 15:43:58,387 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 15:43:58,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.50 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 126.9 MB in the end (delta: -2.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. [2020-11-09 15:43:58,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.61 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 124.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 15:43:58,389 INFO L168 Benchmark]: Boogie Preprocessor took 27.46 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 123.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 15:43:58,390 INFO L168 Benchmark]: RCFGBuilder took 505.30 ms. Allocated memory is still 151.0 MB. Free memory was 123.3 MB in the beginning and 103.9 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-11-09 15:43:58,391 INFO L168 Benchmark]: TraceAbstraction took 5500.10 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 103.4 MB in the beginning and 98.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. [2020-11-09 15:43:58,395 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 746.50 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 126.9 MB in the end (delta: -2.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.61 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 124.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.46 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 123.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 505.30 ms. Allocated memory is still 151.0 MB. Free memory was 123.3 MB in the beginning and 103.9 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5500.10 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 103.4 MB in the beginning and 98.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 440 VarBasedMoverChecksPositive, 21 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 16 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.0s, 67 PlacesBefore, 22 PlacesAfterwards, 63 TransitionsBefore, 16 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 7 FixpointIterations, 15 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 67 TotalNumberOfCompositions, 1732 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, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 79 SDtfs, 21 SDslu, 63 SDs, 0 SdLazy, 38 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred 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, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 861 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...