/usr/bin/java -Xmx8000000000 -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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 23:57:40,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 23:57:40,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 23:57:40,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 23:57:40,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 23:57:40,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 23:57:40,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 23:57:40,596 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-FA-NoLbe.epf [2022-02-10 23:57:40,621 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 23:57:40,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 23:57:40,621 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 23:57:40,621 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 23:57:40,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 23:57:40,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 23:57:40,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 23:57:40,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 23:57:40,622 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 23:57:40,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 23:57:40,623 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 23:57:40,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 23:57:40,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 23:57:40,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 23:57:40,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 23:57:40,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 23:57:40,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 23:57:40,623 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 23:57:40,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 23:57:40,623 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 23:57:40,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 23:57:40,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 23:57:40,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 23:57:40,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 23:57:40,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 23:57:40,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:57:40,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 23:57:40,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 23:57:40,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 23:57:40,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 23:57:40,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 23:57:40,625 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 23:57:40,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 23:57:40,625 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 23:57:40,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 23:57:40,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 23:57:40,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 23:57:40,843 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 23:57:40,845 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 23:57:40,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c [2022-02-10 23:57:40,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03bdac4a8/d05e5ed46fb24da7aae279b9c1e496fe/FLAGf4a494375 [2022-02-10 23:57:41,248 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 23:57:41,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c [2022-02-10 23:57:41,249 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-10 23:57:41,249 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-10 23:57:41,281 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03bdac4a8/d05e5ed46fb24da7aae279b9c1e496fe/FLAGf4a494375 [2022-02-10 23:57:41,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03bdac4a8/d05e5ed46fb24da7aae279b9c1e496fe [2022-02-10 23:57:41,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 23:57:41,299 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 23:57:41,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 23:57:41,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 23:57:41,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 23:57:41,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:57:41" (1/1) ... [2022-02-10 23:57:41,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd29cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:41, skipping insertion in model container [2022-02-10 23:57:41,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:57:41" (1/1) ... [2022-02-10 23:57:41,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 23:57:41,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 23:57:41,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:57:41,474 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 23:57:41,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:57:41,491 INFO L208 MainTranslator]: Completed translation [2022-02-10 23:57:41,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:41 WrapperNode [2022-02-10 23:57:41,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 23:57:41,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 23:57:41,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 23:57:41,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 23:57:41,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:41" (1/1) ... [2022-02-10 23:57:41,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:41" (1/1) ... [2022-02-10 23:57:41,513 INFO L137 Inliner]: procedures = 9, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2022-02-10 23:57:41,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 23:57:41,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 23:57:41,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 23:57:41,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 23:57:41,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:41" (1/1) ... [2022-02-10 23:57:41,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:41" (1/1) ... [2022-02-10 23:57:41,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:41" (1/1) ... [2022-02-10 23:57:41,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:41" (1/1) ... [2022-02-10 23:57:41,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:41" (1/1) ... [2022-02-10 23:57:41,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:41" (1/1) ... [2022-02-10 23:57:41,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:41" (1/1) ... [2022-02-10 23:57:41,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 23:57:41,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 23:57:41,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 23:57:41,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 23:57:41,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:41" (1/1) ... [2022-02-10 23:57:41,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:57:41,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:57:41,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 23:57:41,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 23:57:41,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 23:57:41,607 INFO L130 BoogieDeclarations]: Found specification of procedure dec [2022-02-10 23:57:41,607 INFO L138 BoogieDeclarations]: Found implementation of procedure dec [2022-02-10 23:57:41,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 23:57:41,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 23:57:41,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 23:57:41,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 23:57:41,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 23:57:41,607 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2022-02-10 23:57:41,607 INFO L138 BoogieDeclarations]: Found implementation of procedure inc [2022-02-10 23:57:41,608 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 23:57:41,661 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 23:57:41,662 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 23:57:41,744 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 23:57:41,748 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 23:57:41,748 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 23:57:41,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:57:41 BoogieIcfgContainer [2022-02-10 23:57:41,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 23:57:41,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 23:57:41,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 23:57:41,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 23:57:41,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 11:57:41" (1/3) ... [2022-02-10 23:57:41,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278efbc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:57:41, skipping insertion in model container [2022-02-10 23:57:41,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:57:41" (2/3) ... [2022-02-10 23:57:41,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278efbc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:57:41, skipping insertion in model container [2022-02-10 23:57:41,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:57:41" (3/3) ... [2022-02-10 23:57:41,754 INFO L112 eAbstractionObserver]: Analyzing ICFG ThreadIdTest2.c [2022-02-10 23:57:41,757 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 23:57:41,758 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 23:57:41,758 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 23:57:41,758 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 23:57:41,776 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,776 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,776 WARN L322 ript$VariableManager]: TermVariable decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,776 WARN L322 ript$VariableManager]: TermVariable decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,776 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,776 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,776 WARN L322 ript$VariableManager]: TermVariable decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,777 WARN L322 ript$VariableManager]: TermVariable decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,777 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,777 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,777 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,777 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,778 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,778 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,778 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,778 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,778 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,778 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,779 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,779 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,779 WARN L322 ript$VariableManager]: TermVariable incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,779 WARN L322 ript$VariableManager]: TermVariable incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,779 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,780 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,780 WARN L322 ript$VariableManager]: TermVariable incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,780 WARN L322 ript$VariableManager]: TermVariable incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,780 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,780 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,780 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,781 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,781 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,781 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,781 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,781 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,781 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,781 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,784 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,784 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,784 WARN L322 ript$VariableManager]: TermVariable |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,784 WARN L322 ript$VariableManager]: TermVariable incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,784 WARN L322 ript$VariableManager]: TermVariable incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,786 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,786 WARN L322 ript$VariableManager]: TermVariable decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,786 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,787 WARN L322 ript$VariableManager]: TermVariable |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,787 WARN L322 ript$VariableManager]: TermVariable decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:57:41,789 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 23:57:41,814 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 23:57:41,818 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 23:57:41,818 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-10 23:57:41,824 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 51 transitions, 115 flow [2022-02-10 23:57:41,877 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 281 states, 280 states have (on average 2.242857142857143) internal successors, (628), 280 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:41,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 281 states, 280 states have (on average 2.242857142857143) internal successors, (628), 280 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:41,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-10 23:57:41,893 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:57:41,893 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:57:41,893 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:57:41,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:57:41,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1045894573, now seen corresponding path program 1 times [2022-02-10 23:57:41,905 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:57:41,905 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684968665] [2022-02-10 23:57:41,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:57:41,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:57:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:57:42,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:57:42,134 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:57:42,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684968665] [2022-02-10 23:57:42,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684968665] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:57:42,135 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:57:42,135 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:57:42,136 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479504312] [2022-02-10 23:57:42,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:57:42,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:57:42,142 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:57:42,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:57:42,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:57:42,176 INFO L87 Difference]: Start difference. First operand has 281 states, 280 states have (on average 2.242857142857143) internal successors, (628), 280 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:42,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:57:42,221 INFO L93 Difference]: Finished difference Result 282 states and 625 transitions. [2022-02-10 23:57:42,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:57:42,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-02-10 23:57:42,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:57:42,229 INFO L225 Difference]: With dead ends: 282 [2022-02-10 23:57:42,230 INFO L226 Difference]: Without dead ends: 158 [2022-02-10 23:57:42,231 INFO L933 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 [2022-02-10 23:57:42,233 INFO L934 BasicCegarLoop]: 42 mSDtfsCounter, 5 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:57:42,234 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 71 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:57:42,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-02-10 23:57:42,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2022-02-10 23:57:42,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.9745222929936306) internal successors, (310), 157 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:42,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 310 transitions. [2022-02-10 23:57:42,269 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 310 transitions. Word has length 34 [2022-02-10 23:57:42,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:57:42,270 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 310 transitions. [2022-02-10 23:57:42,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:42,270 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 310 transitions. [2022-02-10 23:57:42,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-10 23:57:42,271 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:57:42,271 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:57:42,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 23:57:42,272 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:57:42,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:57:42,273 INFO L85 PathProgramCache]: Analyzing trace with hash -107852328, now seen corresponding path program 1 times [2022-02-10 23:57:42,273 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:57:42,273 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451390546] [2022-02-10 23:57:42,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:57:42,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:57:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:57:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:57:42,353 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:57:42,353 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451390546] [2022-02-10 23:57:42,353 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451390546] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:57:42,354 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:57:42,354 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-10 23:57:42,354 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495036879] [2022-02-10 23:57:42,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:57:42,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 23:57:42,355 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:57:42,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 23:57:42,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 23:57:42,356 INFO L87 Difference]: Start difference. First operand 158 states and 310 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:42,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:57:42,397 INFO L93 Difference]: Finished difference Result 182 states and 342 transitions. [2022-02-10 23:57:42,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 23:57:42,398 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-10 23:57:42,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:57:42,399 INFO L225 Difference]: With dead ends: 182 [2022-02-10 23:57:42,399 INFO L226 Difference]: Without dead ends: 159 [2022-02-10 23:57:42,399 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-10 23:57:42,400 INFO L934 BasicCegarLoop]: 45 mSDtfsCounter, 9 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:57:42,400 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 151 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:57:42,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-02-10 23:57:42,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 158. [2022-02-10 23:57:42,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.8598726114649682) internal successors, (292), 157 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:42,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 292 transitions. [2022-02-10 23:57:42,408 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 292 transitions. Word has length 37 [2022-02-10 23:57:42,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:57:42,409 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 292 transitions. [2022-02-10 23:57:42,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:42,409 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 292 transitions. [2022-02-10 23:57:42,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-10 23:57:42,410 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:57:42,410 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:57:42,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 23:57:42,410 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:57:42,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:57:42,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1835175916, now seen corresponding path program 2 times [2022-02-10 23:57:42,411 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:57:42,411 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205325887] [2022-02-10 23:57:42,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:57:42,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:57:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:57:42,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:57:42,458 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:57:42,458 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205325887] [2022-02-10 23:57:42,458 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205325887] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:57:42,458 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:57:42,458 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-10 23:57:42,458 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122845787] [2022-02-10 23:57:42,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:57:42,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 23:57:42,459 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:57:42,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 23:57:42,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-10 23:57:42,460 INFO L87 Difference]: Start difference. First operand 158 states and 292 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:42,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:57:42,492 INFO L93 Difference]: Finished difference Result 163 states and 296 transitions. [2022-02-10 23:57:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 23:57:42,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-10 23:57:42,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:57:42,494 INFO L225 Difference]: With dead ends: 163 [2022-02-10 23:57:42,494 INFO L226 Difference]: Without dead ends: 96 [2022-02-10 23:57:42,494 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-02-10 23:57:42,495 INFO L934 BasicCegarLoop]: 37 mSDtfsCounter, 8 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:57:42,496 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 99 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:57:42,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-02-10 23:57:42,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-02-10 23:57:42,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.7052631578947368) internal successors, (162), 95 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:42,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 162 transitions. [2022-02-10 23:57:42,501 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 162 transitions. Word has length 37 [2022-02-10 23:57:42,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:57:42,501 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 162 transitions. [2022-02-10 23:57:42,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:42,501 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 162 transitions. [2022-02-10 23:57:42,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-10 23:57:42,502 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:57:42,502 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:57:42,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 23:57:42,503 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:57:42,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:57:42,503 INFO L85 PathProgramCache]: Analyzing trace with hash -984732874, now seen corresponding path program 3 times [2022-02-10 23:57:42,503 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:57:42,504 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797203179] [2022-02-10 23:57:42,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:57:42,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:57:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:57:42,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:57:42,670 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:57:42,670 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797203179] [2022-02-10 23:57:42,671 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797203179] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:57:42,671 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:57:42,671 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 23:57:42,671 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803867309] [2022-02-10 23:57:42,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:57:42,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 23:57:42,671 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:57:42,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 23:57:42,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-10 23:57:42,672 INFO L87 Difference]: Start difference. First operand 96 states and 162 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:42,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:57:42,747 INFO L93 Difference]: Finished difference Result 123 states and 200 transitions. [2022-02-10 23:57:42,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:57:42,748 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-10 23:57:42,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:57:42,749 INFO L225 Difference]: With dead ends: 123 [2022-02-10 23:57:42,749 INFO L226 Difference]: Without dead ends: 82 [2022-02-10 23:57:42,750 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:57:42,757 INFO L934 BasicCegarLoop]: 47 mSDtfsCounter, 26 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:57:42,757 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 264 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:57:42,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-02-10 23:57:42,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-02-10 23:57:42,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.5802469135802468) internal successors, (128), 81 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:42,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 128 transitions. [2022-02-10 23:57:42,760 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 128 transitions. Word has length 37 [2022-02-10 23:57:42,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:57:42,760 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 128 transitions. [2022-02-10 23:57:42,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:42,761 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 128 transitions. [2022-02-10 23:57:42,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-10 23:57:42,761 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:57:42,761 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:57:42,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 23:57:42,764 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:57:42,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:57:42,766 INFO L85 PathProgramCache]: Analyzing trace with hash 240097480, now seen corresponding path program 4 times [2022-02-10 23:57:42,766 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:57:42,766 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156461833] [2022-02-10 23:57:42,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:57:42,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:57:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:57:42,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:57:42,845 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:57:42,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156461833] [2022-02-10 23:57:42,845 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156461833] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:57:42,845 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:57:42,845 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 23:57:42,846 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661561504] [2022-02-10 23:57:42,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:57:42,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 23:57:42,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:57:42,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 23:57:42,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-10 23:57:42,848 INFO L87 Difference]: Start difference. First operand 82 states and 128 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:42,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:57:42,898 INFO L93 Difference]: Finished difference Result 78 states and 121 transitions. [2022-02-10 23:57:42,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:57:42,899 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-10 23:57:42,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:57:42,900 INFO L225 Difference]: With dead ends: 78 [2022-02-10 23:57:42,900 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 23:57:42,900 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:57:42,904 INFO L934 BasicCegarLoop]: 41 mSDtfsCounter, 23 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:57:42,905 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 217 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:57:42,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 23:57:42,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 23:57:42,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:42,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 23:57:42,906 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2022-02-10 23:57:42,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:57:42,907 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 23:57:42,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:42,907 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 23:57:42,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 23:57:42,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-10 23:57:42,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-10 23:57:42,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-10 23:57:42,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 23:57:42,912 INFO L733 BasicCegarLoop]: Path program histogram: [4, 1] [2022-02-10 23:57:42,914 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 23:57:42,914 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 23:57:42,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 11:57:42 BasicIcfg [2022-02-10 23:57:42,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 23:57:42,916 INFO L158 Benchmark]: Toolchain (without parser) took 1617.05ms. Allocated memory is still 188.7MB. Free memory was 137.4MB in the beginning and 69.1MB in the end (delta: 68.3MB). Peak memory consumption was 68.8MB. Max. memory is 8.0GB. [2022-02-10 23:57:42,916 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 188.7MB. Free memory was 155.3MB in the beginning and 155.2MB in the end (delta: 90.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:57:42,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.98ms. Allocated memory is still 188.7MB. Free memory was 137.1MB in the beginning and 164.0MB in the end (delta: -26.9MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. [2022-02-10 23:57:42,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.97ms. Allocated memory is still 188.7MB. Free memory was 164.0MB in the beginning and 162.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 23:57:42,917 INFO L158 Benchmark]: Boogie Preprocessor took 21.72ms. Allocated memory is still 188.7MB. Free memory was 162.5MB in the beginning and 161.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 23:57:42,917 INFO L158 Benchmark]: RCFGBuilder took 212.23ms. Allocated memory is still 188.7MB. Free memory was 161.4MB in the beginning and 150.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-10 23:57:42,918 INFO L158 Benchmark]: TraceAbstraction took 1165.27ms. Allocated memory is still 188.7MB. Free memory was 150.4MB in the beginning and 69.1MB in the end (delta: 81.3MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. [2022-02-10 23:57:42,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 188.7MB. Free memory was 155.3MB in the beginning and 155.2MB in the end (delta: 90.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 191.98ms. Allocated memory is still 188.7MB. Free memory was 137.1MB in the beginning and 164.0MB in the end (delta: -26.9MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.97ms. Allocated memory is still 188.7MB. Free memory was 164.0MB in the beginning and 162.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.72ms. Allocated memory is still 188.7MB. Free memory was 162.5MB in the beginning and 161.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 212.23ms. Allocated memory is still 188.7MB. Free memory was 161.4MB in the beginning and 150.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1165.27ms. Allocated memory is still 188.7MB. Free memory was 150.4MB in the beginning and 69.1MB in the end (delta: 81.3MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 68 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 802 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 628 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 207 IncrementalHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 212 mSDtfsCounter, 207 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred in iteration=0, InterpolantAutomatonStates: 35, 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, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 457 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-10 23:57:42,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...