/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 00:30:01,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 00:30:01,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 00:30:01,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 00:30:01,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 00:30:01,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 00:30:01,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 00:30:01,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 00:30:01,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 00:30:01,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 00:30:01,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 00:30:01,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-01-18 00:30:01,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 00:30:01,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 00:30:01,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 00:30:01,576 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 [2022-01-18 00:30:01,602 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 00:30:01,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 00:30:01,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 00:30:01,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 00:30:01,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 00:30:01,603 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 00:30:01,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 00:30:01,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 00:30:01,603 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 00:30:01,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 00:30:01,603 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 00:30:01,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 00:30:01,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 00:30:01,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 00:30:01,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 00:30:01,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 00:30:01,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 00:30:01,604 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 00:30:01,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 00:30:01,604 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 00:30:01,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 00:30:01,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 00:30:01,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 00:30:01,605 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 00:30:01,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 00:30:01,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 00:30:01,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 00:30:01,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 00:30:01,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 00:30:01,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 00:30:01,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 00:30:01,605 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 00:30:01,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 00:30:01,605 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 00:30:01,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 00:30:01,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 00:30:01,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 00:30:01,820 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 00:30:01,822 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 00:30:01,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c [2022-01-18 00:30:01,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95c9e5a39/2becbbf9088b4554bfe618fac0eb51ce/FLAG4f6a0d053 [2022-01-18 00:30:02,246 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 00:30:02,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c [2022-01-18 00:30:02,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95c9e5a39/2becbbf9088b4554bfe618fac0eb51ce/FLAG4f6a0d053 [2022-01-18 00:30:02,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95c9e5a39/2becbbf9088b4554bfe618fac0eb51ce [2022-01-18 00:30:02,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 00:30:02,268 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 00:30:02,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 00:30:02,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 00:30:02,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 00:30:02,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:30:02" (1/1) ... [2022-01-18 00:30:02,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a739737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:02, skipping insertion in model container [2022-01-18 00:30:02,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:30:02" (1/1) ... [2022-01-18 00:30:02,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 00:30:02,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 00:30:02,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c[2309,2322] [2022-01-18 00:30:02,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 00:30:02,459 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 00:30:02,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c[2309,2322] [2022-01-18 00:30:02,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 00:30:02,501 INFO L208 MainTranslator]: Completed translation [2022-01-18 00:30:02,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:02 WrapperNode [2022-01-18 00:30:02,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 00:30:02,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 00:30:02,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 00:30:02,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 00:30:02,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:02" (1/1) ... [2022-01-18 00:30:02,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:02" (1/1) ... [2022-01-18 00:30:02,532 INFO L137 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-01-18 00:30:02,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 00:30:02,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 00:30:02,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 00:30:02,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 00:30:02,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:02" (1/1) ... [2022-01-18 00:30:02,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:02" (1/1) ... [2022-01-18 00:30:02,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:02" (1/1) ... [2022-01-18 00:30:02,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:02" (1/1) ... [2022-01-18 00:30:02,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:02" (1/1) ... [2022-01-18 00:30:02,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:02" (1/1) ... [2022-01-18 00:30:02,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:02" (1/1) ... [2022-01-18 00:30:02,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 00:30:02,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 00:30:02,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 00:30:02,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 00:30:02,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:02" (1/1) ... [2022-01-18 00:30:02,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 00:30:02,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:30:02,590 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) [2022-01-18 00:30:02,596 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 [2022-01-18 00:30:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 00:30:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 00:30:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 00:30:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 00:30:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 00:30:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-18 00:30:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-18 00:30:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-01-18 00:30:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-01-18 00:30:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 00:30:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 00:30:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 00:30:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 00:30:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 00:30:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 00:30:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 00:30:02,625 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 00:30:02,695 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 00:30:02,696 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 00:30:02,850 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 00:30:02,856 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 00:30:02,856 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-18 00:30:02,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:30:02 BoogieIcfgContainer [2022-01-18 00:30:02,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 00:30:02,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 00:30:02,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 00:30:02,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 00:30:02,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 12:30:02" (1/3) ... [2022-01-18 00:30:02,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a7dd51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:30:02, skipping insertion in model container [2022-01-18 00:30:02,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:02" (2/3) ... [2022-01-18 00:30:02,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a7dd51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:30:02, skipping insertion in model container [2022-01-18 00:30:02,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:30:02" (3/3) ... [2022-01-18 00:30:02,864 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp2x4.wvr.c [2022-01-18 00:30:02,868 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 00:30:02,868 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 00:30:02,868 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 00:30:02,868 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 00:30:02,911 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,911 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,912 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,912 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,915 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,916 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,916 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,916 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,930 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,930 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,930 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,930 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,933 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,933 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,935 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,935 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,937 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,937 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:02,943 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-01-18 00:30:02,973 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 00:30:02,977 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 [2022-01-18 00:30:02,977 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-01-18 00:30:02,986 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 132 places, 129 transitions, 290 flow [2022-01-18 00:30:03,276 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 7558 states, 7557 states have (on average 5.038904327113934) internal successors, (38079), 7557 states have internal predecessors, (38079), 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) [2022-01-18 00:30:03,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 7558 states, 7557 states have (on average 5.038904327113934) internal successors, (38079), 7557 states have internal predecessors, (38079), 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) [2022-01-18 00:30:03,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-01-18 00:30:03,366 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:30:03,366 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:30:03,367 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:30:03,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:30:03,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1010931886, now seen corresponding path program 1 times [2022-01-18 00:30:03,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:30:03,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329906006] [2022-01-18 00:30:03,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:30:03,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:30:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:30:03,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:30:03,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:30:03,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329906006] [2022-01-18 00:30:03,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329906006] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:30:03,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:30:03,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 00:30:03,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713694683] [2022-01-18 00:30:03,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:30:03,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 00:30:03,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:30:03,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 00:30:03,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 00:30:03,608 INFO L87 Difference]: Start difference. First operand has 7558 states, 7557 states have (on average 5.038904327113934) internal successors, (38079), 7557 states have internal predecessors, (38079), 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 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 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) [2022-01-18 00:30:03,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:30:03,752 INFO L93 Difference]: Finished difference Result 7558 states and 33532 transitions. [2022-01-18 00:30:03,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 00:30:03,754 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 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 92 [2022-01-18 00:30:03,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:30:03,825 INFO L225 Difference]: With dead ends: 7558 [2022-01-18 00:30:03,826 INFO L226 Difference]: Without dead ends: 7556 [2022-01-18 00:30:03,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 00:30:03,831 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:30:03,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:30:03,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7556 states. [2022-01-18 00:30:04,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7556 to 7556. [2022-01-18 00:30:04,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7556 states, 7555 states have (on average 4.43812045003309) internal successors, (33530), 7555 states have internal predecessors, (33530), 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) [2022-01-18 00:30:04,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7556 states to 7556 states and 33530 transitions. [2022-01-18 00:30:04,342 INFO L78 Accepts]: Start accepts. Automaton has 7556 states and 33530 transitions. Word has length 92 [2022-01-18 00:30:04,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:30:04,343 INFO L470 AbstractCegarLoop]: Abstraction has 7556 states and 33530 transitions. [2022-01-18 00:30:04,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 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) [2022-01-18 00:30:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand 7556 states and 33530 transitions. [2022-01-18 00:30:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-01-18 00:30:04,366 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:30:04,366 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:30:04,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 00:30:04,367 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:30:04,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:30:04,369 INFO L85 PathProgramCache]: Analyzing trace with hash 249249086, now seen corresponding path program 1 times [2022-01-18 00:30:04,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:30:04,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830017043] [2022-01-18 00:30:04,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:30:04,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:30:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:30:04,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:30:04,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:30:04,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830017043] [2022-01-18 00:30:04,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830017043] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:30:04,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:30:04,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 00:30:04,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620781538] [2022-01-18 00:30:04,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:30:04,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 00:30:04,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:30:04,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 00:30:04,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:30:04,798 INFO L87 Difference]: Start difference. First operand 7556 states and 33530 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 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) [2022-01-18 00:30:05,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:30:05,085 INFO L93 Difference]: Finished difference Result 11457 states and 50676 transitions. [2022-01-18 00:30:05,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 00:30:05,086 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 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 92 [2022-01-18 00:30:05,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:30:05,235 INFO L225 Difference]: With dead ends: 11457 [2022-01-18 00:30:05,235 INFO L226 Difference]: Without dead ends: 11010 [2022-01-18 00:30:05,238 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-01-18 00:30:05,239 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 111 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:30:05,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 382 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:30:05,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11010 states. [2022-01-18 00:30:05,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11010 to 8895. [2022-01-18 00:30:05,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8895 states, 8894 states have (on average 4.411963121205307) internal successors, (39240), 8894 states have internal predecessors, (39240), 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) [2022-01-18 00:30:05,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8895 states to 8895 states and 39240 transitions. [2022-01-18 00:30:05,597 INFO L78 Accepts]: Start accepts. Automaton has 8895 states and 39240 transitions. Word has length 92 [2022-01-18 00:30:05,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:30:05,599 INFO L470 AbstractCegarLoop]: Abstraction has 8895 states and 39240 transitions. [2022-01-18 00:30:05,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 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) [2022-01-18 00:30:05,600 INFO L276 IsEmpty]: Start isEmpty. Operand 8895 states and 39240 transitions. [2022-01-18 00:30:05,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-18 00:30:05,628 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:30:05,629 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:30:05,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 00:30:05,629 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:30:05,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:30:05,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1729481647, now seen corresponding path program 1 times [2022-01-18 00:30:05,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:30:05,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78807285] [2022-01-18 00:30:05,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:30:05,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:30:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:30:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:30:05,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:30:05,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78807285] [2022-01-18 00:30:05,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78807285] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:30:05,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:30:05,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 00:30:05,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497843210] [2022-01-18 00:30:05,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:30:05,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 00:30:05,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:30:05,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 00:30:05,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-18 00:30:05,955 INFO L87 Difference]: Start difference. First operand 8895 states and 39240 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2022-01-18 00:30:06,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:30:06,255 INFO L93 Difference]: Finished difference Result 11010 states and 47997 transitions. [2022-01-18 00:30:06,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 00:30:06,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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 95 [2022-01-18 00:30:06,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:30:06,297 INFO L225 Difference]: With dead ends: 11010 [2022-01-18 00:30:06,297 INFO L226 Difference]: Without dead ends: 10557 [2022-01-18 00:30:06,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:30:06,302 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 91 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:30:06,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 350 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:30:06,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10557 states. [2022-01-18 00:30:06,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10557 to 8991. [2022-01-18 00:30:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8991 states, 8990 states have (on average 4.385205784204672) internal successors, (39423), 8990 states have internal predecessors, (39423), 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) [2022-01-18 00:30:06,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8991 states to 8991 states and 39423 transitions. [2022-01-18 00:30:06,623 INFO L78 Accepts]: Start accepts. Automaton has 8991 states and 39423 transitions. Word has length 95 [2022-01-18 00:30:06,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:30:06,623 INFO L470 AbstractCegarLoop]: Abstraction has 8991 states and 39423 transitions. [2022-01-18 00:30:06,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2022-01-18 00:30:06,623 INFO L276 IsEmpty]: Start isEmpty. Operand 8991 states and 39423 transitions. [2022-01-18 00:30:06,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-18 00:30:06,654 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:30:06,654 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:30:06,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 00:30:06,655 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:30:06,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:30:06,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1518612705, now seen corresponding path program 1 times [2022-01-18 00:30:06,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:30:06,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46630842] [2022-01-18 00:30:06,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:30:06,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:30:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:30:06,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:30:06,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:30:06,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46630842] [2022-01-18 00:30:06,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46630842] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:30:06,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:30:06,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 00:30:06,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848958948] [2022-01-18 00:30:06,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:30:06,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 00:30:06,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:30:06,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 00:30:06,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-18 00:30:06,925 INFO L87 Difference]: Start difference. First operand 8991 states and 39423 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2022-01-18 00:30:07,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:30:07,133 INFO L93 Difference]: Finished difference Result 10557 states and 45447 transitions. [2022-01-18 00:30:07,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 00:30:07,134 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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 95 [2022-01-18 00:30:07,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:30:07,170 INFO L225 Difference]: With dead ends: 10557 [2022-01-18 00:30:07,170 INFO L226 Difference]: Without dead ends: 10044 [2022-01-18 00:30:07,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:30:07,171 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 128 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:30:07,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 253 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:30:07,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10044 states. [2022-01-18 00:30:07,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10044 to 8799. [2022-01-18 00:30:07,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8799 states, 8798 states have (on average 4.391566265060241) internal successors, (38637), 8798 states have internal predecessors, (38637), 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) [2022-01-18 00:30:07,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8799 states to 8799 states and 38637 transitions. [2022-01-18 00:30:07,431 INFO L78 Accepts]: Start accepts. Automaton has 8799 states and 38637 transitions. Word has length 95 [2022-01-18 00:30:07,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:30:07,431 INFO L470 AbstractCegarLoop]: Abstraction has 8799 states and 38637 transitions. [2022-01-18 00:30:07,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2022-01-18 00:30:07,431 INFO L276 IsEmpty]: Start isEmpty. Operand 8799 states and 38637 transitions. [2022-01-18 00:30:07,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-18 00:30:07,451 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:30:07,451 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:30:07,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 00:30:07,452 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:30:07,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:30:07,452 INFO L85 PathProgramCache]: Analyzing trace with hash -444560868, now seen corresponding path program 1 times [2022-01-18 00:30:07,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:30:07,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423622308] [2022-01-18 00:30:07,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:30:07,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:30:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:30:07,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:30:07,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:30:07,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423622308] [2022-01-18 00:30:07,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423622308] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 00:30:07,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125212205] [2022-01-18 00:30:07,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:30:07,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:30:07,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:30:07,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 00:30:07,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 00:30:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:30:07,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-18 00:30:07,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 00:30:08,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:30:08,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 00:30:08,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:30:08,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125212205] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 00:30:08,354 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 00:30:08,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2022-01-18 00:30:08,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636379687] [2022-01-18 00:30:08,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 00:30:08,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-18 00:30:08,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:30:08,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-18 00:30:08,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-01-18 00:30:08,356 INFO L87 Difference]: Start difference. First operand 8799 states and 38637 transitions. Second operand has 14 states, 14 states have (on average 11.5) internal successors, (161), 14 states have internal predecessors, (161), 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) [2022-01-18 00:30:09,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:30:09,025 INFO L93 Difference]: Finished difference Result 20034 states and 87978 transitions. [2022-01-18 00:30:09,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 00:30:09,025 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.5) internal successors, (161), 14 states have internal predecessors, (161), 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 95 [2022-01-18 00:30:09,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:30:09,179 INFO L225 Difference]: With dead ends: 20034 [2022-01-18 00:30:09,179 INFO L226 Difference]: Without dead ends: 20034 [2022-01-18 00:30:09,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2022-01-18 00:30:09,180 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 719 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 00:30:09,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [719 Valid, 857 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 00:30:09,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20034 states. [2022-01-18 00:30:09,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20034 to 10800. [2022-01-18 00:30:09,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10800 states, 10799 states have (on average 4.415131030650986) internal successors, (47679), 10799 states have internal predecessors, (47679), 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) [2022-01-18 00:30:09,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10800 states to 10800 states and 47679 transitions. [2022-01-18 00:30:09,577 INFO L78 Accepts]: Start accepts. Automaton has 10800 states and 47679 transitions. Word has length 95 [2022-01-18 00:30:09,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:30:09,577 INFO L470 AbstractCegarLoop]: Abstraction has 10800 states and 47679 transitions. [2022-01-18 00:30:09,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.5) internal successors, (161), 14 states have internal predecessors, (161), 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) [2022-01-18 00:30:09,577 INFO L276 IsEmpty]: Start isEmpty. Operand 10800 states and 47679 transitions. [2022-01-18 00:30:09,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-18 00:30:09,604 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:30:09,604 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:30:09,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 00:30:09,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:30:09,812 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:30:09,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:30:09,812 INFO L85 PathProgramCache]: Analyzing trace with hash 823248679, now seen corresponding path program 2 times [2022-01-18 00:30:09,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:30:09,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82615427] [2022-01-18 00:30:09,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:30:09,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:30:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:30:10,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:30:10,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:30:10,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82615427] [2022-01-18 00:30:10,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82615427] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:30:10,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:30:10,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 00:30:10,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983639820] [2022-01-18 00:30:10,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:30:10,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 00:30:10,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:30:10,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 00:30:10,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:30:10,039 INFO L87 Difference]: Start difference. First operand 10800 states and 47679 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 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) [2022-01-18 00:30:10,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:30:10,306 INFO L93 Difference]: Finished difference Result 12675 states and 55959 transitions. [2022-01-18 00:30:10,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 00:30:10,306 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 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 95 [2022-01-18 00:30:10,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:30:10,343 INFO L225 Difference]: With dead ends: 12675 [2022-01-18 00:30:10,343 INFO L226 Difference]: Without dead ends: 12675 [2022-01-18 00:30:10,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-18 00:30:10,344 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 134 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:30:10,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 452 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:30:10,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12675 states. [2022-01-18 00:30:10,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12675 to 11790. [2022-01-18 00:30:10,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11790 states, 11789 states have (on average 4.433709390109424) internal successors, (52269), 11789 states have internal predecessors, (52269), 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) [2022-01-18 00:30:10,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11790 states to 11790 states and 52269 transitions. [2022-01-18 00:30:10,634 INFO L78 Accepts]: Start accepts. Automaton has 11790 states and 52269 transitions. Word has length 95 [2022-01-18 00:30:10,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:30:10,634 INFO L470 AbstractCegarLoop]: Abstraction has 11790 states and 52269 transitions. [2022-01-18 00:30:10,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 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) [2022-01-18 00:30:10,635 INFO L276 IsEmpty]: Start isEmpty. Operand 11790 states and 52269 transitions. [2022-01-18 00:30:10,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-18 00:30:10,663 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:30:10,663 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:30:10,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 00:30:10,664 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:30:10,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:30:10,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1562291266, now seen corresponding path program 1 times [2022-01-18 00:30:10,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:30:10,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127529721] [2022-01-18 00:30:10,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:30:10,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:30:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:30:10,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:30:10,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:30:10,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127529721] [2022-01-18 00:30:10,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127529721] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 00:30:10,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057466669] [2022-01-18 00:30:10,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:30:10,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:30:10,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:30:10,812 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 00:30:10,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 00:30:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:30:10,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-18 00:30:10,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 00:30:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:30:11,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 00:30:11,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:30:11,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057466669] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 00:30:11,399 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 00:30:11,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2022-01-18 00:30:11,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812983729] [2022-01-18 00:30:11,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 00:30:11,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-18 00:30:11,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:30:11,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-18 00:30:11,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-01-18 00:30:11,400 INFO L87 Difference]: Start difference. First operand 11790 states and 52269 transitions. Second operand has 14 states, 14 states have (on average 10.0) internal successors, (140), 14 states have internal predecessors, (140), 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) [2022-01-18 00:30:12,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:30:12,209 INFO L93 Difference]: Finished difference Result 27525 states and 120940 transitions. [2022-01-18 00:30:12,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 00:30:12,209 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.0) internal successors, (140), 14 states have internal predecessors, (140), 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 95 [2022-01-18 00:30:12,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:30:12,315 INFO L225 Difference]: With dead ends: 27525 [2022-01-18 00:30:12,316 INFO L226 Difference]: Without dead ends: 27525 [2022-01-18 00:30:12,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2022-01-18 00:30:12,316 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 701 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 00:30:12,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [701 Valid, 1011 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 00:30:12,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27525 states. [2022-01-18 00:30:12,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27525 to 13623. [2022-01-18 00:30:12,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13623 states, 13622 states have (on average 4.490750256937307) internal successors, (61173), 13622 states have internal predecessors, (61173), 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) [2022-01-18 00:30:12,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13623 states to 13623 states and 61173 transitions. [2022-01-18 00:30:12,820 INFO L78 Accepts]: Start accepts. Automaton has 13623 states and 61173 transitions. Word has length 95 [2022-01-18 00:30:12,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:30:12,820 INFO L470 AbstractCegarLoop]: Abstraction has 13623 states and 61173 transitions. [2022-01-18 00:30:12,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.0) internal successors, (140), 14 states have internal predecessors, (140), 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) [2022-01-18 00:30:12,820 INFO L276 IsEmpty]: Start isEmpty. Operand 13623 states and 61173 transitions. [2022-01-18 00:30:12,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-18 00:30:12,850 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:30:12,850 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:30:12,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 00:30:13,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-01-18 00:30:13,052 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:30:13,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:30:13,052 INFO L85 PathProgramCache]: Analyzing trace with hash -277204909, now seen corresponding path program 2 times [2022-01-18 00:30:13,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:30:13,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139731748] [2022-01-18 00:30:13,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:30:13,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:30:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:30:13,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:30:13,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:30:13,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139731748] [2022-01-18 00:30:13,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139731748] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:30:13,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:30:13,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 00:30:13,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313944719] [2022-01-18 00:30:13,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:30:13,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 00:30:13,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:30:13,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 00:30:13,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:30:13,210 INFO L87 Difference]: Start difference. First operand 13623 states and 61173 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 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) [2022-01-18 00:30:13,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:30:13,456 INFO L93 Difference]: Finished difference Result 15807 states and 70956 transitions. [2022-01-18 00:30:13,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 00:30:13,457 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 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 95 [2022-01-18 00:30:13,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:30:13,511 INFO L225 Difference]: With dead ends: 15807 [2022-01-18 00:30:13,511 INFO L226 Difference]: Without dead ends: 15807 [2022-01-18 00:30:13,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-18 00:30:13,512 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 190 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:30:13,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 384 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:30:13,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15807 states. [2022-01-18 00:30:13,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15807 to 15219. [2022-01-18 00:30:13,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15219 states, 15218 states have (on average 4.499211460113024) internal successors, (68469), 15218 states have internal predecessors, (68469), 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) [2022-01-18 00:30:13,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15219 states to 15219 states and 68469 transitions. [2022-01-18 00:30:13,924 INFO L78 Accepts]: Start accepts. Automaton has 15219 states and 68469 transitions. Word has length 95 [2022-01-18 00:30:13,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:30:13,925 INFO L470 AbstractCegarLoop]: Abstraction has 15219 states and 68469 transitions. [2022-01-18 00:30:13,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 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) [2022-01-18 00:30:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 15219 states and 68469 transitions. [2022-01-18 00:30:13,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-01-18 00:30:13,959 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:30:13,959 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:30:13,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 00:30:13,959 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:30:13,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:30:13,960 INFO L85 PathProgramCache]: Analyzing trace with hash -180229615, now seen corresponding path program 1 times [2022-01-18 00:30:13,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:30:13,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995059894] [2022-01-18 00:30:13,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:30:13,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:30:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:30:14,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:30:14,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:30:14,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995059894] [2022-01-18 00:30:14,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995059894] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 00:30:14,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277894350] [2022-01-18 00:30:14,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:30:14,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:30:14,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:30:14,735 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 00:30:14,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 00:30:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:30:15,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 23 conjunts are in the unsatisfiable core [2022-01-18 00:30:15,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-01-18 00:44:40,439 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 00:44:40,439 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 00:44:41,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-01-18 00:44:41,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2022-01-18 00:44:42,999 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-01-18 00:44:42,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 00:44:42,999 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2022-01-18 00:44:43,000 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-01-18 00:44:43,000 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-01-18 00:44:43,000 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-01-18 00:44:43,000 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-01-18 00:44:43,002 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1] [2022-01-18 00:44:43,004 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 00:44:43,004 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 00:44:43,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 12:44:43 BasicIcfg [2022-01-18 00:44:43,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 00:44:43,005 INFO L158 Benchmark]: Toolchain (without parser) took 880737.67ms. Allocated memory was 379.6MB in the beginning and 3.7GB in the end (delta: 3.3GB). Free memory was 325.5MB in the beginning and 3.0GB in the end (delta: -2.7GB). Peak memory consumption was 2.7GB. Max. memory is 16.0GB. [2022-01-18 00:44:43,005 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 379.6MB. Free memory is still 341.7MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 00:44:43,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.47ms. Allocated memory was 379.6MB in the beginning and 457.2MB in the end (delta: 77.6MB). Free memory was 325.3MB in the beginning and 430.5MB in the end (delta: -105.2MB). Peak memory consumption was 8.8MB. Max. memory is 16.0GB. [2022-01-18 00:44:43,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.84ms. Allocated memory is still 457.2MB. Free memory was 430.5MB in the beginning and 428.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 00:44:43,006 INFO L158 Benchmark]: Boogie Preprocessor took 24.75ms. Allocated memory is still 457.2MB. Free memory was 428.4MB in the beginning and 427.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 00:44:43,006 INFO L158 Benchmark]: RCFGBuilder took 300.15ms. Allocated memory is still 457.2MB. Free memory was 427.4MB in the beginning and 411.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2022-01-18 00:44:43,006 INFO L158 Benchmark]: TraceAbstraction took 880145.47ms. Allocated memory was 457.2MB in the beginning and 3.7GB in the end (delta: 3.2GB). Free memory was 411.6MB in the beginning and 3.0GB in the end (delta: -2.6GB). Peak memory consumption was 2.7GB. Max. memory is 16.0GB. [2022-01-18 00:44:43,007 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 379.6MB. Free memory is still 341.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 232.47ms. Allocated memory was 379.6MB in the beginning and 457.2MB in the end (delta: 77.6MB). Free memory was 325.3MB in the beginning and 430.5MB in the end (delta: -105.2MB). Peak memory consumption was 8.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 29.84ms. Allocated memory is still 457.2MB. Free memory was 430.5MB in the beginning and 428.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 24.75ms. Allocated memory is still 457.2MB. Free memory was 428.4MB in the beginning and 427.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 300.15ms. Allocated memory is still 457.2MB. Free memory was 427.4MB in the beginning and 411.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 880145.47ms. Allocated memory was 457.2MB in the beginning and 3.7GB in the end (delta: 3.2GB). Free memory was 411.6MB in the beginning and 3.0GB in the end (delta: -2.6GB). Peak memory consumption was 2.7GB. Max. memory is 16.0GB. * 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 - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 148 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 880.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2074 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2074 mSDsluCounter, 3787 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3313 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1710 IncrementalHoareTripleChecker+Invalid, 1776 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 844 mSDtfsCounter, 1710 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 450 GetRequests, 376 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15219occurred in iteration=8, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 29535 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 944 NumberOfCodeBlocks, 944 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1122 ConstructedInterpolants, 0 QuantifiedInterpolants, 14054 SizeOfPredicates, 20 NumberOfNonLiveVariables, 506 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 4/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown