/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 21:29:56,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 21:29:56,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 21:29:56,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 21:29:56,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 21:29:56,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 21:29:56,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 21:29:56,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 21:29:56,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 21:29:56,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 21:29:56,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 21:29:56,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 21:29:56,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 21:29:56,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 21:29:56,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 21:29:56,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 21:29:56,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 21:29:56,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 21:29:56,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 21:29:56,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 21:29:56,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 21:29:56,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 21:29:56,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 21:29:56,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 21:29:56,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 21:29:56,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 21:29:56,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 21:29:56,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 21:29:56,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 21:29:56,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 21:29:56,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 21:29:56,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 21:29:56,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 21:29:56,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 21:29:56,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 21:29:56,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 21:29:56,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 21:29:56,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 21:29:56,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 21:29:56,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 21:29:56,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 21:29:56,229 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-PN-SemanticLbe.epf [2022-12-05 21:29:56,253 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 21:29:56,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 21:29:56,254 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 21:29:56,254 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 21:29:56,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 21:29:56,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 21:29:56,255 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 21:29:56,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 21:29:56,256 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 21:29:56,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 21:29:56,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 21:29:56,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 21:29:56,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 21:29:56,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 21:29:56,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 21:29:56,257 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 21:29:56,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 21:29:56,257 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 21:29:56,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 21:29:56,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 21:29:56,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 21:29:56,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 21:29:56,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 21:29:56,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 21:29:56,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 21:29:56,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 21:29:56,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 21:29:56,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 21:29:56,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 21:29:56,258 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 21:29:56,258 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 21:29:56,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 21:29:56,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 21:29:56,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 21:29:56,529 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 21:29:56,530 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 21:29:56,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c [2022-12-05 21:29:57,418 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 21:29:57,598 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 21:29:57,598 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c [2022-12-05 21:29:57,605 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f737e4f0/47e41c0bc615473cb3b1159da1dbd615/FLAG561d9f412 [2022-12-05 21:29:57,622 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f737e4f0/47e41c0bc615473cb3b1159da1dbd615 [2022-12-05 21:29:57,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 21:29:57,625 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 21:29:57,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 21:29:57,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 21:29:57,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 21:29:57,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:29:57" (1/1) ... [2022-12-05 21:29:57,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302e74d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:57, skipping insertion in model container [2022-12-05 21:29:57,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:29:57" (1/1) ... [2022-12-05 21:29:57,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 21:29:57,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 21:29:57,765 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c[2412,2425] [2022-12-05 21:29:57,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 21:29:57,782 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 21:29:57,814 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c[2412,2425] [2022-12-05 21:29:57,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 21:29:57,827 INFO L208 MainTranslator]: Completed translation [2022-12-05 21:29:57,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:57 WrapperNode [2022-12-05 21:29:57,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 21:29:57,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 21:29:57,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 21:29:57,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 21:29:57,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:57" (1/1) ... [2022-12-05 21:29:57,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:57" (1/1) ... [2022-12-05 21:29:57,884 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 15, calls inlined = 27, statements flattened = 271 [2022-12-05 21:29:57,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 21:29:57,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 21:29:57,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 21:29:57,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 21:29:57,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:57" (1/1) ... [2022-12-05 21:29:57,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:57" (1/1) ... [2022-12-05 21:29:57,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:57" (1/1) ... [2022-12-05 21:29:57,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:57" (1/1) ... [2022-12-05 21:29:57,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:57" (1/1) ... [2022-12-05 21:29:57,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:57" (1/1) ... [2022-12-05 21:29:57,917 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:57" (1/1) ... [2022-12-05 21:29:57,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:57" (1/1) ... [2022-12-05 21:29:57,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 21:29:57,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 21:29:57,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 21:29:57,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 21:29:57,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:57" (1/1) ... [2022-12-05 21:29:57,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 21:29:57,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 21:29:57,971 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) [2022-12-05 21:29:57,988 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 [2022-12-05 21:29:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 21:29:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 21:29:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 21:29:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 21:29:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-05 21:29:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-05 21:29:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-05 21:29:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-05 21:29:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-05 21:29:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-05 21:29:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 21:29:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 21:29:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 21:29:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 21:29:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 21:29:58,003 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 21:29:58,117 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 21:29:58,119 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 21:29:58,442 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 21:29:58,451 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 21:29:58,451 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-05 21:29:58,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:29:58 BoogieIcfgContainer [2022-12-05 21:29:58,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 21:29:58,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 21:29:58,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 21:29:58,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 21:29:58,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 09:29:57" (1/3) ... [2022-12-05 21:29:58,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c6fa7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:29:58, skipping insertion in model container [2022-12-05 21:29:58,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:57" (2/3) ... [2022-12-05 21:29:58,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c6fa7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:29:58, skipping insertion in model container [2022-12-05 21:29:58,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:29:58" (3/3) ... [2022-12-05 21:29:58,463 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-three-array-sum-alt.wvr.c [2022-12-05 21:29:58,478 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 21:29:58,479 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 21:29:58,479 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 21:29:58,590 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-05 21:29:58,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 298 places, 317 transitions, 658 flow [2022-12-05 21:29:58,784 INFO L130 PetriNetUnfolder]: 29/314 cut-off events. [2022-12-05 21:29:58,784 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-05 21:29:58,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 314 events. 29/314 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 427 event pairs, 0 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 209. Up to 2 conditions per place. [2022-12-05 21:29:58,791 INFO L82 GeneralOperation]: Start removeDead. Operand has 298 places, 317 transitions, 658 flow [2022-12-05 21:29:58,801 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 285 places, 304 transitions, 626 flow [2022-12-05 21:29:58,803 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 21:29:58,832 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 285 places, 304 transitions, 626 flow [2022-12-05 21:29:58,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 285 places, 304 transitions, 626 flow [2022-12-05 21:29:58,880 INFO L130 PetriNetUnfolder]: 29/304 cut-off events. [2022-12-05 21:29:58,880 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-05 21:29:58,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 304 events. 29/304 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 422 event pairs, 0 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 209. Up to 2 conditions per place. [2022-12-05 21:29:58,896 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 285 places, 304 transitions, 626 flow [2022-12-05 21:29:58,896 INFO L188 LiptonReduction]: Number of co-enabled transitions 12810 [2022-12-05 21:30:08,127 INFO L203 LiptonReduction]: Total number of compositions: 276 [2022-12-05 21:30:08,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 21:30:08,142 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2dfb19c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 21:30:08,142 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-05 21:30:08,146 INFO L130 PetriNetUnfolder]: 6/27 cut-off events. [2022-12-05 21:30:08,146 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-05 21:30:08,146 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 21:30:08,147 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 21:30:08,147 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 21:30:08,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 21:30:08,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1440705028, now seen corresponding path program 1 times [2022-12-05 21:30:08,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 21:30:08,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725005998] [2022-12-05 21:30:08,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 21:30:08,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 21:30:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 21:30:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 21:30:08,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 21:30:08,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725005998] [2022-12-05 21:30:08,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725005998] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 21:30:08,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 21:30:08,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 21:30:08,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760165191] [2022-12-05 21:30:08,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 21:30:08,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 21:30:08,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 21:30:08,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 21:30:08,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 21:30:08,716 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 28 [2022-12-05 21:30:08,717 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 28 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-12-05 21:30:08,717 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 21:30:08,717 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 28 [2022-12-05 21:30:08,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 21:30:08,808 INFO L130 PetriNetUnfolder]: 362/512 cut-off events. [2022-12-05 21:30:08,808 INFO L131 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2022-12-05 21:30:08,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 512 events. 362/512 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1612 event pairs, 39 based on Foata normal form. 1/312 useless extension candidates. Maximal degree in co-relation 803. Up to 421 conditions per place. [2022-12-05 21:30:08,811 INFO L137 encePairwiseOnDemand]: 23/28 looper letters, 36 selfloop transitions, 4 changer transitions 1/44 dead transitions. [2022-12-05 21:30:08,811 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 44 transitions, 203 flow [2022-12-05 21:30:08,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 21:30:08,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 21:30:08,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2022-12-05 21:30:08,819 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6071428571428571 [2022-12-05 21:30:08,820 INFO L175 Difference]: Start difference. First operand has 32 places, 28 transitions, 74 flow. Second operand 3 states and 51 transitions. [2022-12-05 21:30:08,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 44 transitions, 203 flow [2022-12-05 21:30:08,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 44 transitions, 181 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-05 21:30:08,823 INFO L231 Difference]: Finished difference. Result has 29 places, 31 transitions, 88 flow [2022-12-05 21:30:08,825 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=29, PETRI_TRANSITIONS=31} [2022-12-05 21:30:08,827 INFO L294 CegarLoopForPetriNet]: 32 programPoint places, -3 predicate places. [2022-12-05 21:30:08,827 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 31 transitions, 88 flow [2022-12-05 21:30:08,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-12-05 21:30:08,827 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 21:30:08,828 INFO L213 CegarLoopForPetriNet]: 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] [2022-12-05 21:30:08,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 21:30:08,828 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 21:30:08,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 21:30:08,829 INFO L85 PathProgramCache]: Analyzing trace with hash 638595226, now seen corresponding path program 1 times [2022-12-05 21:30:08,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 21:30:08,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512758861] [2022-12-05 21:30:08,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 21:30:08,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 21:30:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 21:30:08,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 21:30:08,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 21:30:08,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512758861] [2022-12-05 21:30:08,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512758861] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 21:30:08,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 21:30:08,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 21:30:08,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519764452] [2022-12-05 21:30:08,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 21:30:08,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 21:30:08,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 21:30:08,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 21:30:08,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 21:30:08,961 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 28 [2022-12-05 21:30:08,961 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 31 transitions, 88 flow. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-12-05 21:30:08,962 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 21:30:08,962 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 28 [2022-12-05 21:30:08,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 21:30:09,153 INFO L130 PetriNetUnfolder]: 669/987 cut-off events. [2022-12-05 21:30:09,153 INFO L131 PetriNetUnfolder]: For 292/292 co-relation queries the response was YES. [2022-12-05 21:30:09,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2409 conditions, 987 events. 669/987 cut-off events. For 292/292 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4015 event pairs, 243 based on Foata normal form. 38/1009 useless extension candidates. Maximal degree in co-relation 500. Up to 518 conditions per place. [2022-12-05 21:30:09,157 INFO L137 encePairwiseOnDemand]: 19/28 looper letters, 60 selfloop transitions, 10 changer transitions 0/72 dead transitions. [2022-12-05 21:30:09,157 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 72 transitions, 340 flow [2022-12-05 21:30:09,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 21:30:09,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 21:30:09,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 74 transitions. [2022-12-05 21:30:09,159 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5285714285714286 [2022-12-05 21:30:09,159 INFO L175 Difference]: Start difference. First operand has 29 places, 31 transitions, 88 flow. Second operand 5 states and 74 transitions. [2022-12-05 21:30:09,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 72 transitions, 340 flow [2022-12-05 21:30:09,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 72 transitions, 332 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 21:30:09,162 INFO L231 Difference]: Finished difference. Result has 35 places, 39 transitions, 150 flow [2022-12-05 21:30:09,162 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=150, PETRI_PLACES=35, PETRI_TRANSITIONS=39} [2022-12-05 21:30:09,162 INFO L294 CegarLoopForPetriNet]: 32 programPoint places, 3 predicate places. [2022-12-05 21:30:09,163 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 39 transitions, 150 flow [2022-12-05 21:30:09,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-12-05 21:30:09,163 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 21:30:09,163 INFO L213 CegarLoopForPetriNet]: 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] [2022-12-05 21:30:09,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 21:30:09,163 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 21:30:09,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 21:30:09,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1049221569, now seen corresponding path program 1 times [2022-12-05 21:30:09,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 21:30:09,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517912758] [2022-12-05 21:30:09,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 21:30:09,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 21:30:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 21:30:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 21:30:09,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 21:30:09,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517912758] [2022-12-05 21:30:09,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517912758] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 21:30:09,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 21:30:09,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 21:30:09,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017255459] [2022-12-05 21:30:09,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 21:30:09,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 21:30:09,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 21:30:09,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 21:30:09,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 21:30:09,260 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 28 [2022-12-05 21:30:09,260 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 39 transitions, 150 flow. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-12-05 21:30:09,260 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 21:30:09,261 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 28 [2022-12-05 21:30:09,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 21:30:09,393 INFO L130 PetriNetUnfolder]: 489/770 cut-off events. [2022-12-05 21:30:09,393 INFO L131 PetriNetUnfolder]: For 305/331 co-relation queries the response was YES. [2022-12-05 21:30:09,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1877 conditions, 770 events. 489/770 cut-off events. For 305/331 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3229 event pairs, 186 based on Foata normal form. 52/814 useless extension candidates. Maximal degree in co-relation 1234. Up to 480 conditions per place. [2022-12-05 21:30:09,396 INFO L137 encePairwiseOnDemand]: 19/28 looper letters, 56 selfloop transitions, 10 changer transitions 0/69 dead transitions. [2022-12-05 21:30:09,397 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 69 transitions, 366 flow [2022-12-05 21:30:09,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 21:30:09,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 21:30:09,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 72 transitions. [2022-12-05 21:30:09,398 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5142857142857142 [2022-12-05 21:30:09,398 INFO L175 Difference]: Start difference. First operand has 35 places, 39 transitions, 150 flow. Second operand 5 states and 72 transitions. [2022-12-05 21:30:09,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 69 transitions, 366 flow [2022-12-05 21:30:09,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 69 transitions, 366 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 21:30:09,400 INFO L231 Difference]: Finished difference. Result has 41 places, 40 transitions, 183 flow [2022-12-05 21:30:09,400 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=183, PETRI_PLACES=41, PETRI_TRANSITIONS=40} [2022-12-05 21:30:09,400 INFO L294 CegarLoopForPetriNet]: 32 programPoint places, 9 predicate places. [2022-12-05 21:30:09,400 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 40 transitions, 183 flow [2022-12-05 21:30:09,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-12-05 21:30:09,401 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 21:30:09,401 INFO L213 CegarLoopForPetriNet]: 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] [2022-12-05 21:30:09,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 21:30:09,401 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 21:30:09,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 21:30:09,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1888758092, now seen corresponding path program 1 times [2022-12-05 21:30:09,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 21:30:09,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723559604] [2022-12-05 21:30:09,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 21:30:09,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 21:30:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 21:30:09,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 21:30:09,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 21:30:09,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723559604] [2022-12-05 21:30:09,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723559604] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 21:30:09,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 21:30:09,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 21:30:09,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737767930] [2022-12-05 21:30:09,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 21:30:09,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 21:30:09,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 21:30:09,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 21:30:09,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 21:30:09,478 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 28 [2022-12-05 21:30:09,478 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 40 transitions, 183 flow. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-12-05 21:30:09,478 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 21:30:09,478 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 28 [2022-12-05 21:30:09,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 21:30:09,625 INFO L130 PetriNetUnfolder]: 419/649 cut-off events. [2022-12-05 21:30:09,625 INFO L131 PetriNetUnfolder]: For 403/439 co-relation queries the response was YES. [2022-12-05 21:30:09,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1677 conditions, 649 events. 419/649 cut-off events. For 403/439 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2489 event pairs, 202 based on Foata normal form. 49/683 useless extension candidates. Maximal degree in co-relation 1352. Up to 510 conditions per place. [2022-12-05 21:30:09,628 INFO L137 encePairwiseOnDemand]: 19/28 looper letters, 26 selfloop transitions, 6 changer transitions 31/65 dead transitions. [2022-12-05 21:30:09,628 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 65 transitions, 369 flow [2022-12-05 21:30:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 21:30:09,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 21:30:09,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 69 transitions. [2022-12-05 21:30:09,631 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4928571428571429 [2022-12-05 21:30:09,632 INFO L175 Difference]: Start difference. First operand has 41 places, 40 transitions, 183 flow. Second operand 5 states and 69 transitions. [2022-12-05 21:30:09,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 65 transitions, 369 flow [2022-12-05 21:30:09,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 65 transitions, 350 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-12-05 21:30:09,637 INFO L231 Difference]: Finished difference. Result has 45 places, 34 transitions, 140 flow [2022-12-05 21:30:09,637 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=140, PETRI_PLACES=45, PETRI_TRANSITIONS=34} [2022-12-05 21:30:09,638 INFO L294 CegarLoopForPetriNet]: 32 programPoint places, 13 predicate places. [2022-12-05 21:30:09,638 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 34 transitions, 140 flow [2022-12-05 21:30:09,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-12-05 21:30:09,638 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 21:30:09,638 INFO L213 CegarLoopForPetriNet]: 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] [2022-12-05 21:30:09,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 21:30:09,638 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 21:30:09,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 21:30:09,639 INFO L85 PathProgramCache]: Analyzing trace with hash -104355202, now seen corresponding path program 1 times [2022-12-05 21:30:09,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 21:30:09,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765857492] [2022-12-05 21:30:09,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 21:30:09,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 21:30:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 21:30:09,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-05 21:30:09,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 21:30:09,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765857492] [2022-12-05 21:30:09,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765857492] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 21:30:09,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747237040] [2022-12-05 21:30:09,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 21:30:09,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 21:30:09,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 21:30:09,807 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) [2022-12-05 21:30:09,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-05 21:30:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 21:30:09,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-05 21:30:09,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 21:30:09,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-05 21:30:09,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-05 21:30:10,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-05 21:30:10,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747237040] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-05 21:30:10,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-05 21:30:10,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2022-12-05 21:30:10,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832546773] [2022-12-05 21:30:10,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 21:30:10,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 21:30:10,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 21:30:10,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 21:30:10,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-05 21:30:10,012 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 28 [2022-12-05 21:30:10,012 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 34 transitions, 140 flow. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 21:30:10,012 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 21:30:10,012 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 28 [2022-12-05 21:30:10,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 21:30:10,115 INFO L130 PetriNetUnfolder]: 398/570 cut-off events. [2022-12-05 21:30:10,115 INFO L131 PetriNetUnfolder]: For 258/258 co-relation queries the response was YES. [2022-12-05 21:30:10,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1490 conditions, 570 events. 398/570 cut-off events. For 258/258 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1989 event pairs, 126 based on Foata normal form. 38/597 useless extension candidates. Maximal degree in co-relation 1444. Up to 433 conditions per place. [2022-12-05 21:30:10,118 INFO L137 encePairwiseOnDemand]: 23/28 looper letters, 39 selfloop transitions, 5 changer transitions 0/46 dead transitions. [2022-12-05 21:30:10,118 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 46 transitions, 268 flow [2022-12-05 21:30:10,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 21:30:10,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 21:30:10,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2022-12-05 21:30:10,120 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.34285714285714286 [2022-12-05 21:30:10,120 INFO L175 Difference]: Start difference. First operand has 45 places, 34 transitions, 140 flow. Second operand 5 states and 48 transitions. [2022-12-05 21:30:10,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 46 transitions, 268 flow [2022-12-05 21:30:10,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 46 transitions, 232 flow, removed 9 selfloop flow, removed 9 redundant places. [2022-12-05 21:30:10,121 INFO L231 Difference]: Finished difference. Result has 35 places, 35 transitions, 129 flow [2022-12-05 21:30:10,122 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=129, PETRI_PLACES=35, PETRI_TRANSITIONS=35} [2022-12-05 21:30:10,123 INFO L294 CegarLoopForPetriNet]: 32 programPoint places, 3 predicate places. [2022-12-05 21:30:10,123 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 35 transitions, 129 flow [2022-12-05 21:30:10,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 21:30:10,123 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 21:30:10,124 INFO L213 CegarLoopForPetriNet]: 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] [2022-12-05 21:30:10,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-05 21:30:10,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 21:30:10,329 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 21:30:10,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 21:30:10,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1684185973, now seen corresponding path program 1 times [2022-12-05 21:30:10,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 21:30:10,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660612491] [2022-12-05 21:30:10,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 21:30:10,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 21:30:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 21:30:10,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-05 21:30:10,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 21:30:10,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660612491] [2022-12-05 21:30:10,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660612491] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 21:30:10,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365420554] [2022-12-05 21:30:10,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 21:30:10,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 21:30:10,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 21:30:10,453 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) [2022-12-05 21:30:10,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-05 21:30:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 21:30:10,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-05 21:30:10,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 21:30:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-05 21:30:10,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-05 21:30:10,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-05 21:30:10,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365420554] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-05 21:30:10,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-05 21:30:10,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2022-12-05 21:30:10,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301382350] [2022-12-05 21:30:10,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 21:30:10,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 21:30:10,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 21:30:10,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 21:30:10,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-05 21:30:10,603 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 28 [2022-12-05 21:30:10,603 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 35 transitions, 129 flow. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 21:30:10,603 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 21:30:10,603 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 28 [2022-12-05 21:30:10,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 21:30:10,714 INFO L130 PetriNetUnfolder]: 326/479 cut-off events. [2022-12-05 21:30:10,714 INFO L131 PetriNetUnfolder]: For 258/304 co-relation queries the response was YES. [2022-12-05 21:30:10,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1328 conditions, 479 events. 326/479 cut-off events. For 258/304 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1602 event pairs, 119 based on Foata normal form. 76/545 useless extension candidates. Maximal degree in co-relation 1289. Up to 367 conditions per place. [2022-12-05 21:30:10,716 INFO L137 encePairwiseOnDemand]: 23/28 looper letters, 41 selfloop transitions, 5 changer transitions 0/48 dead transitions. [2022-12-05 21:30:10,717 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 48 transitions, 271 flow [2022-12-05 21:30:10,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 21:30:10,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 21:30:10,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2022-12-05 21:30:10,719 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.34285714285714286 [2022-12-05 21:30:10,719 INFO L175 Difference]: Start difference. First operand has 35 places, 35 transitions, 129 flow. Second operand 5 states and 48 transitions. [2022-12-05 21:30:10,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 48 transitions, 271 flow [2022-12-05 21:30:10,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 48 transitions, 254 flow, removed 5 selfloop flow, removed 2 redundant places. [2022-12-05 21:30:10,721 INFO L231 Difference]: Finished difference. Result has 38 places, 36 transitions, 139 flow [2022-12-05 21:30:10,721 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=139, PETRI_PLACES=38, PETRI_TRANSITIONS=36} [2022-12-05 21:30:10,723 INFO L294 CegarLoopForPetriNet]: 32 programPoint places, 6 predicate places. [2022-12-05 21:30:10,723 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 36 transitions, 139 flow [2022-12-05 21:30:10,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 21:30:10,723 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 21:30:10,723 INFO L213 CegarLoopForPetriNet]: 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] [2022-12-05 21:30:10,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-05 21:30:10,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-05 21:30:10,928 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 21:30:10,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 21:30:10,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1990580032, now seen corresponding path program 1 times [2022-12-05 21:30:10,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 21:30:10,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992377044] [2022-12-05 21:30:10,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 21:30:10,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 21:30:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 21:30:11,079 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-05 21:30:11,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 21:30:11,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992377044] [2022-12-05 21:30:11,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992377044] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 21:30:11,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755593721] [2022-12-05 21:30:11,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 21:30:11,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 21:30:11,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 21:30:11,095 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) [2022-12-05 21:30:11,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-05 21:30:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 21:30:11,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-05 21:30:11,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 21:30:11,231 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-05 21:30:11,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-05 21:30:11,259 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-05 21:30:11,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755593721] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-05 21:30:11,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-05 21:30:11,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2022-12-05 21:30:11,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741062454] [2022-12-05 21:30:11,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 21:30:11,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 21:30:11,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 21:30:11,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 21:30:11,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-05 21:30:11,264 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 28 [2022-12-05 21:30:11,264 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 36 transitions, 139 flow. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2022-12-05 21:30:11,264 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 21:30:11,264 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 28 [2022-12-05 21:30:11,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 21:30:11,369 INFO L130 PetriNetUnfolder]: 292/440 cut-off events. [2022-12-05 21:30:11,369 INFO L131 PetriNetUnfolder]: For 358/463 co-relation queries the response was YES. [2022-12-05 21:30:11,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1316 conditions, 440 events. 292/440 cut-off events. For 358/463 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1364 event pairs, 94 based on Foata normal form. 135/572 useless extension candidates. Maximal degree in co-relation 1276. Up to 333 conditions per place. [2022-12-05 21:30:11,371 INFO L137 encePairwiseOnDemand]: 23/28 looper letters, 43 selfloop transitions, 5 changer transitions 0/50 dead transitions. [2022-12-05 21:30:11,371 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 50 transitions, 293 flow [2022-12-05 21:30:11,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 21:30:11,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 21:30:11,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2022-12-05 21:30:11,373 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.34285714285714286 [2022-12-05 21:30:11,373 INFO L175 Difference]: Start difference. First operand has 38 places, 36 transitions, 139 flow. Second operand 5 states and 48 transitions. [2022-12-05 21:30:11,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 50 transitions, 293 flow [2022-12-05 21:30:11,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 50 transitions, 276 flow, removed 4 selfloop flow, removed 3 redundant places. [2022-12-05 21:30:11,375 INFO L231 Difference]: Finished difference. Result has 40 places, 37 transitions, 149 flow [2022-12-05 21:30:11,375 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=149, PETRI_PLACES=40, PETRI_TRANSITIONS=37} [2022-12-05 21:30:11,375 INFO L294 CegarLoopForPetriNet]: 32 programPoint places, 8 predicate places. [2022-12-05 21:30:11,375 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 37 transitions, 149 flow [2022-12-05 21:30:11,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2022-12-05 21:30:11,376 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 21:30:11,376 INFO L213 CegarLoopForPetriNet]: 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] [2022-12-05 21:30:11,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-05 21:30:11,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 21:30:11,580 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 21:30:11,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 21:30:11,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1468135778, now seen corresponding path program 1 times [2022-12-05 21:30:11,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 21:30:11,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415353735] [2022-12-05 21:30:11,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 21:30:11,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 21:30:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 21:30:13,182 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-05 21:30:13,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 21:30:13,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415353735] [2022-12-05 21:30:13,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415353735] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 21:30:13,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161379059] [2022-12-05 21:30:13,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 21:30:13,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 21:30:13,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 21:30:13,184 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 21:30:13,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-05 21:30:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 21:30:13,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 93 conjunts are in the unsatisfiable core [2022-12-05 21:30:13,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 21:30:13,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-05 21:30:13,409 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-05 21:30:13,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-05 21:30:13,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 21:30:13,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-05 21:30:13,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 21:30:13,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-05 21:30:13,770 INFO L321 Elim1Store]: treesize reduction 27, result has 35.7 percent of original size [2022-12-05 21:30:13,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 35 [2022-12-05 21:30:13,882 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 21:30:13,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 94 [2022-12-05 21:30:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-05 21:30:13,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-05 21:30:15,620 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((~C~0.offset Int) (v_ArrVal_353 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_353))) (let ((.cse0 (select (select .cse2 c_~B~0.base) c_~B~0.offset)) (.cse1 (select (select .cse2 c_~A~0.base) c_~A~0.offset))) (<= (+ .cse0 .cse1 c_~csum~0) (+ c_~asum~0 c_~bsum~0 (select (select (store .cse2 c_~C~0.base (store (select .cse2 c_~C~0.base) ~C~0.offset (+ .cse0 .cse1))) c_~B~0.base) c_~B~0.offset)))))) (forall ((~C~0.offset Int) (v_ArrVal_353 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_353))) (let ((.cse4 (select (select .cse3 c_~B~0.base) c_~B~0.offset)) (.cse5 (select (select .cse3 c_~A~0.base) c_~A~0.offset))) (<= (+ c_~asum~0 c_~bsum~0 (select (select (store .cse3 c_~C~0.base (store (select .cse3 c_~C~0.base) ~C~0.offset (+ .cse4 .cse5))) c_~B~0.base) c_~B~0.offset)) (+ .cse4 .cse5 c_~csum~0)))))) is different from false [2022-12-05 21:30:15,646 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((~C~0.offset Int) (v_ArrVal_353 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_352) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_353))) (let ((.cse0 (select (select .cse2 c_~A~0.base) c_~A~0.offset)) (.cse1 (select (select .cse2 c_~B~0.base) c_~B~0.offset))) (<= (+ .cse0 .cse1 c_~csum~0) (+ c_~asum~0 c_~bsum~0 (select (select (store .cse2 c_~C~0.base (store (select .cse2 c_~C~0.base) ~C~0.offset (+ .cse0 .cse1))) c_~B~0.base) c_~B~0.offset)))))) (forall ((~C~0.offset Int) (v_ArrVal_353 (Array Int Int)) (v_ArrVal_352 (Array Int Int))) (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_352) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_353))) (let ((.cse4 (select (select .cse3 c_~A~0.base) c_~A~0.offset)) (.cse5 (select (select .cse3 c_~B~0.base) c_~B~0.offset))) (<= (+ c_~asum~0 c_~bsum~0 (select (select (store .cse3 c_~C~0.base (store (select .cse3 c_~C~0.base) ~C~0.offset (+ .cse4 .cse5))) c_~B~0.base) c_~B~0.offset)) (+ .cse4 .cse5 c_~csum~0)))))) is different from false [2022-12-05 21:30:15,759 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 21:30:15,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31894 treesize of output 28838 [2022-12-05 21:30:15,915 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 21:30:15,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30854 treesize of output 28806 [2022-12-05 21:30:16,080 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 21:30:16,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30106 treesize of output 29042 Received shutdown request... [2022-12-05 21:44:00,725 WARN L249 SmtUtils]: Removed 1 from assertion stack [2022-12-05 21:44:00,727 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-05 21:44:00,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-05 21:44:00,760 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 [2022-12-05 21:44:00,761 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-05 21:44:00,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 21:44:00,933 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 29 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-8-2-2-2-1 context. [2022-12-05 21:44:00,935 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-05 21:44:00,936 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-05 21:44:00,936 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-05 21:44:00,936 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 21:44:00,942 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 21:44:00,942 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 21:44:00,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 09:44:00 BasicIcfg [2022-12-05 21:44:00,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 21:44:00,944 INFO L158 Benchmark]: Toolchain (without parser) took 843319.41ms. Allocated memory was 191.9MB in the beginning and 803.2MB in the end (delta: 611.3MB). Free memory was 170.2MB in the beginning and 413.6MB in the end (delta: -243.4MB). Peak memory consumption was 503.1MB. Max. memory is 8.0GB. [2022-12-05 21:44:00,944 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 168.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 21:44:00,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.13ms. Allocated memory is still 191.9MB. Free memory was 169.9MB in the beginning and 158.2MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-12-05 21:44:00,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.16ms. Allocated memory is still 191.9MB. Free memory was 158.2MB in the beginning and 155.5MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-05 21:44:00,945 INFO L158 Benchmark]: Boogie Preprocessor took 46.77ms. Allocated memory is still 191.9MB. Free memory was 155.5MB in the beginning and 153.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 21:44:00,945 INFO L158 Benchmark]: RCFGBuilder took 521.28ms. Allocated memory is still 191.9MB. Free memory was 153.4MB in the beginning and 129.3MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-12-05 21:44:00,945 INFO L158 Benchmark]: TraceAbstraction took 842488.94ms. Allocated memory was 191.9MB in the beginning and 803.2MB in the end (delta: 611.3MB). Free memory was 128.6MB in the beginning and 413.6MB in the end (delta: -285.0MB). Peak memory consumption was 461.2MB. Max. memory is 8.0GB. [2022-12-05 21:44:00,946 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 168.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 201.13ms. Allocated memory is still 191.9MB. Free memory was 169.9MB in the beginning and 158.2MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.16ms. Allocated memory is still 191.9MB. Free memory was 158.2MB in the beginning and 155.5MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.77ms. Allocated memory is still 191.9MB. Free memory was 155.5MB in the beginning and 153.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 521.28ms. Allocated memory is still 191.9MB. Free memory was 153.4MB in the beginning and 129.3MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 842488.94ms. Allocated memory was 191.9MB in the beginning and 803.2MB in the end (delta: 611.3MB). Free memory was 128.6MB in the beginning and 413.6MB in the end (delta: -285.0MB). Peak memory consumption was 461.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.2s, 285 PlacesBefore, 32 PlacesAfterwards, 304 TransitionsBefore, 28 TransitionsAfterwards, 12810 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 136 TrivialYvCompositions, 117 ConcurrentYvCompositions, 23 ChoiceCompositions, 276 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7793, independent: 7778, independent conditional: 7778, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7793, independent: 7778, independent conditional: 0, independent unconditional: 7778, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7793, independent: 7778, independent conditional: 0, independent unconditional: 7778, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7793, independent: 7778, independent conditional: 0, independent unconditional: 7778, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7151, independent: 7138, independent conditional: 0, independent unconditional: 7138, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7151, independent: 7133, independent conditional: 0, independent unconditional: 7133, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7793, independent: 640, independent conditional: 0, independent unconditional: 640, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 7151, unknown conditional: 0, unknown unconditional: 7151] , Statistics on independence cache: Total cache size (in pairs): 14092, Positive cache size: 14079, Positive conditional cache size: 0, Positive unconditional cache size: 14079, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 29 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-8-2-2-2-1 context. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 29 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-8-2-2-2-1 context. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 29 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-8-2-2-2-1 context. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 29 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-8-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 406 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 842.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 267 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 267 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 525 IncrementalHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 6 mSDtfsCounter, 525 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 143 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred in iteration=3, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 249 NumberOfCodeBlocks, 249 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 315 ConstructedInterpolants, 0 QuantifiedInterpolants, 903 SizeOfPredicates, 12 NumberOfNonLiveVariables, 999 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 36/42 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