/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/SimpleFunctionPointer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 00:01:33,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 00:01:33,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 00:01:33,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-13 00:01:33,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-13 00:01:33,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-13 00:01:33,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-13 00:01:33,280 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-SemanticLbe-Delay.epf [2021-03-13 00:01:33,299 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 00:01:33,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 00:01:33,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 00:01:33,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 00:01:33,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 00:01:33,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 00:01:33,300 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 00:01:33,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 00:01:33,301 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 00:01:33,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 00:01:33,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 00:01:33,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 00:01:33,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 00:01:33,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 00:01:33,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 00:01:33,302 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 00:01:33,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 00:01:33,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 00:01:33,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 00:01:33,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 00:01:33,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 00:01:33,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 00:01:33,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 00:01:33,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:01:33,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 00:01:33,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 00:01:33,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 00:01:33,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 00:01:33,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 00:01:33,304 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 00:01:33,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 00:01:33,304 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 00:01:33,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 00:01:33,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 00:01:33,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 00:01:33,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 00:01:33,619 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-13 00:01:33,620 INFO L275 PluginConnector]: CDTParser initialized [2021-03-13 00:01:33,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/SimpleFunctionPointer.c [2021-03-13 00:01:33,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce87d43b/f9ba4c38a5714d6db90013a48a2317fa/FLAG3e6c51b41 [2021-03-13 00:01:34,094 INFO L306 CDTParser]: Found 1 translation units. [2021-03-13 00:01:34,095 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/SimpleFunctionPointer.c [2021-03-13 00:01:34,095 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-13 00:01:34,100 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce87d43b/f9ba4c38a5714d6db90013a48a2317fa/FLAG3e6c51b41 [2021-03-13 00:01:34,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce87d43b/f9ba4c38a5714d6db90013a48a2317fa [2021-03-13 00:01:34,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 00:01:34,529 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-13 00:01:34,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-13 00:01:34,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-13 00:01:34,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-13 00:01:34,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 12:01:34" (1/1) ... [2021-03-13 00:01:34,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ea0f37d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:34, skipping insertion in model container [2021-03-13 00:01:34,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 12:01:34" (1/1) ... [2021-03-13 00:01:34,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-13 00:01:34,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-13 00:01:34,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-13 00:01:34,663 INFO L203 MainTranslator]: Completed pre-run [2021-03-13 00:01:34,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-13 00:01:34,686 INFO L208 MainTranslator]: Completed translation [2021-03-13 00:01:34,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:34 WrapperNode [2021-03-13 00:01:34,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-13 00:01:34,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 00:01:34,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 00:01:34,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 00:01:34,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:34" (1/1) ... [2021-03-13 00:01:34,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:34" (1/1) ... [2021-03-13 00:01:34,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 00:01:34,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 00:01:34,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 00:01:34,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 00:01:34,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:34" (1/1) ... [2021-03-13 00:01:34,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:34" (1/1) ... [2021-03-13 00:01:34,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:34" (1/1) ... [2021-03-13 00:01:34,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:34" (1/1) ... [2021-03-13 00:01:34,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:34" (1/1) ... [2021-03-13 00:01:34,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:34" (1/1) ... [2021-03-13 00:01:34,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:34" (1/1) ... [2021-03-13 00:01:34,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 00:01:34,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 00:01:34,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 00:01:34,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 00:01:34,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:01:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-13 00:01:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-13 00:01:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-13 00:01:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 00:01:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 00:01:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-13 00:01:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-13 00:01:34,820 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-13 00:01:34,995 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 00:01:34,996 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-13 00:01:34,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:01:34 BoogieIcfgContainer [2021-03-13 00:01:34,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 00:01:34,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 00:01:34,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 00:01:35,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 00:01:35,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 12:01:34" (1/3) ... [2021-03-13 00:01:35,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7afbd742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:01:35, skipping insertion in model container [2021-03-13 00:01:35,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:34" (2/3) ... [2021-03-13 00:01:35,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7afbd742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:01:35, skipping insertion in model container [2021-03-13 00:01:35,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:01:34" (3/3) ... [2021-03-13 00:01:35,005 INFO L111 eAbstractionObserver]: Analyzing ICFG SimpleFunctionPointer.c [2021-03-13 00:01:35,009 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 00:01:35,010 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 00:01:35,012 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-03-13 00:01:35,014 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 00:01:35,042 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:35,042 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:35,043 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:35,043 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:35,043 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:35,043 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:35,043 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:35,044 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:35,044 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:35,044 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:35,044 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:35,044 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:35,046 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:35,046 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:35,047 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:35,047 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:35,061 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-13 00:01:35,079 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-13 00:01:35,118 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 00:01:35,118 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 00:01:35,118 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 00:01:35,118 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 00:01:35,118 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 00:01:35,118 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 00:01:35,119 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 00:01:35,119 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 00:01:35,124 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 00:01:35,125 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 17 transitions, 39 flow [2021-03-13 00:01:35,127 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 17 transitions, 39 flow [2021-03-13 00:01:35,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 21 places, 17 transitions, 39 flow [2021-03-13 00:01:35,142 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-13 00:01:35,142 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-13 00:01:35,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20 conditions, 16 events. 0/16 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-03-13 00:01:35,144 INFO L116 LiptonReduction]: Number of co-enabled transitions 30 [2021-03-13 00:01:35,603 INFO L131 LiptonReduction]: Checked pairs total: 17 [2021-03-13 00:01:35,604 INFO L133 LiptonReduction]: Total number of compositions: 12 [2021-03-13 00:01:35,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 12:01:35 BasicIcfg [2021-03-13 00:01:35,631 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 00:01:35,634 INFO L168 Benchmark]: Toolchain (without parser) took 1106.97 ms. Allocated memory was 255.9 MB in the beginning and 385.9 MB in the end (delta: 130.0 MB). Free memory was 235.2 MB in the beginning and 326.5 MB in the end (delta: -91.3 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:35,634 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:01:35,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.54 ms. Allocated memory is still 255.9 MB. Free memory was 234.6 MB in the beginning and 225.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:35,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.49 ms. Allocated memory was 255.9 MB in the beginning and 385.9 MB in the end (delta: 130.0 MB). Free memory was 225.7 MB in the beginning and 371.0 MB in the end (delta: -145.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:35,637 INFO L168 Benchmark]: Boogie Preprocessor took 19.70 ms. Allocated memory is still 385.9 MB. Free memory was 371.0 MB in the beginning and 370.0 MB in the end (delta: 913.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:35,638 INFO L168 Benchmark]: RCFGBuilder took 250.50 ms. Allocated memory is still 385.9 MB. Free memory was 370.0 MB in the beginning and 359.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:35,641 INFO L168 Benchmark]: TraceAbstraction took 633.31 ms. Allocated memory is still 385.9 MB. Free memory was 359.3 MB in the beginning and 326.5 MB in the end (delta: 32.8 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:35,646 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 158.54 ms. Allocated memory is still 255.9 MB. Free memory was 234.6 MB in the beginning and 225.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 34.49 ms. Allocated memory was 255.9 MB in the beginning and 385.9 MB in the end (delta: 130.0 MB). Free memory was 225.7 MB in the beginning and 371.0 MB in the end (delta: -145.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.70 ms. Allocated memory is still 385.9 MB. Free memory was 371.0 MB in the beginning and 370.0 MB in the end (delta: 913.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 250.50 ms. Allocated memory is still 385.9 MB. Free memory was 370.0 MB in the beginning and 359.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 633.31 ms. Allocated memory is still 385.9 MB. Free memory was 359.3 MB in the beginning and 326.5 MB in the end (delta: 32.8 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 477.0ms, 21 PlacesBefore, 9 PlacesAfterwards, 17 TransitionsBefore, 5 TransitionsAfterwards, 30 CoEnabledTransitionPairs, 3 FixpointIterations, 6 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 17 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1, Positive cache size: 1, Positive conditional cache size: 0, Positive unconditional cache size: 1, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 ], Maximal queried relation: 0, Independence queries for same thread: 0 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 18 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 538.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 497.2ms, PartialOrderReductionTime: 11.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...