/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-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp2x3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 08:34:50,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 08:34:50,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 08:34:50,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 08:34:50,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 08:34:50,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 08:34:50,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 08:34:50,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 08:34:50,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 08:34:50,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 08:34:50,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 08:34:50,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 08:34:50,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 08:34:50,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 08:34:50,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 08:34:50,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 08:34:50,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 08:34:50,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 08:34:50,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 08:34:50,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 08:34:50,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 08:34:50,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 08:34:50,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 08:34:50,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 08:34:50,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-16 08:34:50,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-16 08:34:50,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-16 08:34:50,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-16 08:34:50,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-16 08:34:50,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-16 08:34:50,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-16 08:34:50,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-16 08:34:50,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-16 08:34:50,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-16 08:34:50,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-16 08:34:50,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-16 08:34:50,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-16 08:34:50,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-16 08:34:50,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 08:34:50,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 08:34:50,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 08:34:50,284 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-MCRwithDepranks-Lazy.epf [2022-02-16 08:34:50,298 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 08:34:50,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 08:34:50,298 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 08:34:50,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 08:34:50,299 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 08:34:50,299 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 08:34:50,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 08:34:50,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 08:34:50,300 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 08:34:50,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 08:34:50,300 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 08:34:50,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 08:34:50,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 08:34:50,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 08:34:50,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 08:34:50,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 08:34:50,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 08:34:50,301 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 08:34:50,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 08:34:50,301 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 08:34:50,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 08:34:50,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 08:34:50,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 08:34:50,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 08:34:50,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 08:34:50,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 08:34:50,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 08:34:50,303 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 08:34:50,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 08:34:50,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 08:34:50,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 08:34:50,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 08:34:50,303 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 08:34:50,303 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 08:34:50,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 08:34:50,303 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 08:34:50,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 08:34:50,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 08:34:50,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 08:34:50,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 08:34:50,502 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 08:34:50,502 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 08:34:50,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x3.wvr.c [2022-02-16 08:34:50,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/917cc5314/21485df6e9a7432caf2c0c773971f2e1/FLAG9a029d21a [2022-02-16 08:34:50,933 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 08:34:50,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x3.wvr.c [2022-02-16 08:34:50,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/917cc5314/21485df6e9a7432caf2c0c773971f2e1/FLAG9a029d21a [2022-02-16 08:34:50,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/917cc5314/21485df6e9a7432caf2c0c773971f2e1 [2022-02-16 08:34:50,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 08:34:50,965 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 08:34:50,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 08:34:50,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 08:34:50,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 08:34:50,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 08:34:50" (1/1) ... [2022-02-16 08:34:50,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43fb902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:34:50, skipping insertion in model container [2022-02-16 08:34:50,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 08:34:50" (1/1) ... [2022-02-16 08:34:50,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 08:34:50,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 08:34:51,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x3.wvr.c[2237,2250] [2022-02-16 08:34:51,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 08:34:51,149 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 08:34:51,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x3.wvr.c[2237,2250] [2022-02-16 08:34:51,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 08:34:51,194 INFO L208 MainTranslator]: Completed translation [2022-02-16 08:34:51,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:34:51 WrapperNode [2022-02-16 08:34:51,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 08:34:51,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 08:34:51,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 08:34:51,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 08:34:51,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:34:51" (1/1) ... [2022-02-16 08:34:51,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:34:51" (1/1) ... [2022-02-16 08:34:51,231 INFO L137 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-02-16 08:34:51,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 08:34:51,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 08:34:51,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 08:34:51,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 08:34:51,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:34:51" (1/1) ... [2022-02-16 08:34:51,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:34:51" (1/1) ... [2022-02-16 08:34:51,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:34:51" (1/1) ... [2022-02-16 08:34:51,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:34:51" (1/1) ... [2022-02-16 08:34:51,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:34:51" (1/1) ... [2022-02-16 08:34:51,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:34:51" (1/1) ... [2022-02-16 08:34:51,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:34:51" (1/1) ... [2022-02-16 08:34:51,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 08:34:51,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 08:34:51,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 08:34:51,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 08:34:51,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:34:51" (1/1) ... [2022-02-16 08:34:51,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 08:34:51,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 08:34:51,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-16 08:34:51,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-16 08:34:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 08:34:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-16 08:34:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-16 08:34:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-16 08:34:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-16 08:34:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-16 08:34:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-16 08:34:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-16 08:34:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-16 08:34:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-16 08:34:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 08:34:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 08:34:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 08:34:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 08:34:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-16 08:34:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 08:34:51,313 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 08:34:51,388 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 08:34:51,389 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 08:34:51,636 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 08:34:51,641 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 08:34:51,642 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-16 08:34:51,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 08:34:51 BoogieIcfgContainer [2022-02-16 08:34:51,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 08:34:51,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 08:34:51,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 08:34:51,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 08:34:51,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 08:34:50" (1/3) ... [2022-02-16 08:34:51,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae83e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 08:34:51, skipping insertion in model container [2022-02-16 08:34:51,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:34:51" (2/3) ... [2022-02-16 08:34:51,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae83e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 08:34:51, skipping insertion in model container [2022-02-16 08:34:51,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 08:34:51" (3/3) ... [2022-02-16 08:34:51,663 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp2x3.wvr.c [2022-02-16 08:34:51,666 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 08:34:51,666 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 08:34:51,666 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 08:34:51,666 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 08:34:51,719 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,720 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,720 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,720 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,721 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,721 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,721 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,721 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,722 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,722 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,723 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,723 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,724 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,724 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,724 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,724 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,733 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,733 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,734 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,734 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,735 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,735 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,736 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,736 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 08:34:51,740 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-16 08:34:51,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 08:34:51,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 08:34:51,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-16 08:34:51,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-16 08:34:51,809 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 08:34:51,816 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 08:34:51,816 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-16 08:34:51,898 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 311 transitions and produced 312 states. [2022-02-16 08:34:51,900 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-16 08:34:51,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 08:34:51,903 INFO L85 PathProgramCache]: Analyzing trace with hash 31393110, now seen corresponding path program 1 times [2022-02-16 08:34:51,908 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 08:34:51,909 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578019957] [2022-02-16 08:34:51,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 08:34:51,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 08:34:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 08:34:52,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 08:34:52,057 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 08:34:52,057 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578019957] [2022-02-16 08:34:52,057 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578019957] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 08:34:52,058 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 08:34:52,058 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-16 08:34:52,059 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728451301] [2022-02-16 08:34:52,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 08:34:52,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-16 08:34:52,063 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 08:34:52,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-16 08:34:52,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-16 08:34:52,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:34:52,085 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 08:34:52,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 08:34:52,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:34:52,160 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 311 transitions and produced 312 states. [2022-02-16 08:34:52,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:34:52,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 08:34:52,162 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-16 08:34:52,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 08:34:52,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1789059707, now seen corresponding path program 1 times [2022-02-16 08:34:52,164 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 08:34:52,164 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906460697] [2022-02-16 08:34:52,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 08:34:52,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 08:34:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 08:34:52,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 08:34:52,643 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 08:34:52,643 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906460697] [2022-02-16 08:34:52,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906460697] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 08:34:52,643 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 08:34:52,643 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-16 08:34:52,643 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104491659] [2022-02-16 08:34:52,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 08:34:52,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-16 08:34:52,644 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 08:34:52,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-16 08:34:52,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-16 08:34:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:34:52,645 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 08:34:52,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 08:34:52,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:34:52,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:34:52,847 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 373 transitions and produced 356 states. [2022-02-16 08:34:52,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:34:52,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 08:34:52,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 08:34:52,848 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-16 08:34:52,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 08:34:52,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1142063559, now seen corresponding path program 1 times [2022-02-16 08:34:52,849 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 08:34:52,849 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074761261] [2022-02-16 08:34:52,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 08:34:52,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 08:34:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 08:34:53,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 08:34:53,013 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 08:34:53,013 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074761261] [2022-02-16 08:34:53,013 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074761261] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 08:34:53,013 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 08:34:53,013 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-16 08:34:53,014 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668235683] [2022-02-16 08:34:53,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 08:34:53,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 08:34:53,014 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 08:34:53,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 08:34:53,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-16 08:34:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:34:53,015 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 08:34:53,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 08:34:53,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:34:53,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 08:34:53,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:34:53,187 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 592 transitions and produced 434 states. [2022-02-16 08:34:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:34:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 08:34:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-16 08:34:53,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-16 08:34:53,189 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-16 08:34:53,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 08:34:53,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1046232957, now seen corresponding path program 1 times [2022-02-16 08:34:53,190 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 08:34:53,190 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746884207] [2022-02-16 08:34:53,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 08:34:53,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 08:34:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 08:34:53,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 08:34:53,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 08:34:53,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746884207] [2022-02-16 08:34:53,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746884207] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 08:34:53,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507949483] [2022-02-16 08:34:53,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 08:34:53,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 08:34:53,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 08:34:53,456 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) [2022-02-16 08:34:53,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-16 08:34:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 08:34:53,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-16 08:34:53,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 08:34:53,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 08:34:53,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 08:34:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 08:34:54,219 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507949483] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 08:34:54,220 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 08:34:54,220 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2022-02-16 08:34:54,220 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600081358] [2022-02-16 08:34:54,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 08:34:54,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-16 08:34:54,220 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 08:34:54,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-16 08:34:54,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-02-16 08:34:54,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:34:54,221 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 08:34:54,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.428571428571429) internal successors, (174), 14 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 08:34:54,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:34:54,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 08:34:54,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-16 08:34:54,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:34:54,667 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 598 transitions and produced 440 states. [2022-02-16 08:34:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:34:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 08:34:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-16 08:34:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-16 08:34:54,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-16 08:34:54,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-02-16 08:34:54,868 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-16 08:34:54,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 08:34:54,869 INFO L85 PathProgramCache]: Analyzing trace with hash -2033999173, now seen corresponding path program 1 times [2022-02-16 08:34:54,869 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 08:34:54,869 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832856518] [2022-02-16 08:34:54,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 08:34:54,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 08:34:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 08:34:55,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 08:34:55,252 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 08:34:55,252 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832856518] [2022-02-16 08:34:55,252 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832856518] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 08:34:55,252 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455652200] [2022-02-16 08:34:55,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 08:34:55,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 08:34:55,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 08:34:55,254 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) [2022-02-16 08:34:55,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-16 08:34:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 08:34:55,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-16 08:34:55,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 08:35:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 08:35:05,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 08:35:33,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 08:35:33,050 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455652200] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 08:35:33,050 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 08:35:33,051 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 26 [2022-02-16 08:35:33,051 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435288239] [2022-02-16 08:35:33,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 08:35:33,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-16 08:35:33,051 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 08:35:33,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-16 08:35:33,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=504, Unknown=8, NotChecked=0, Total=650 [2022-02-16 08:35:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:35:33,052 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 08:35:33,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.653846153846154) internal successors, (199), 26 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 08:35:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:35:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 08:35:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-16 08:35:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-16 08:35:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:35:41,426 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:35:43,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:35:45,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:36:12,875 WARN L228 SmtUtils]: Spent 9.55s on a formula simplification. DAG size of input: 61 DAG size of output: 22 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-16 08:36:16,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:36:20,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:36:23,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:36:25,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:36:27,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:36:29,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:36:31,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:36:33,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-16 08:36:35,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:36:37,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:36:39,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-16 08:36:59,966 WARN L228 SmtUtils]: Spent 19.19s on a formula simplification. DAG size of input: 64 DAG size of output: 26 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-16 08:37:02,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:37:45,517 WARN L228 SmtUtils]: Spent 32.70s on a formula simplification. DAG size of input: 68 DAG size of output: 61 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-16 08:37:47,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:37:50,017 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:37:52,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:38:00,813 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1045 transitions and produced 615 states. [2022-02-16 08:38:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:38:00,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 08:38:00,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-16 08:38:00,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-16 08:38:00,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-16 08:38:00,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-16 08:38:01,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 08:38:01,015 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-16 08:38:01,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 08:38:01,016 INFO L85 PathProgramCache]: Analyzing trace with hash -190665027, now seen corresponding path program 2 times [2022-02-16 08:38:01,016 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 08:38:01,016 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876056133] [2022-02-16 08:38:01,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 08:38:01,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 08:38:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 08:38:01,606 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 08:38:01,606 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 08:38:01,606 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876056133] [2022-02-16 08:38:01,606 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876056133] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 08:38:01,607 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924305925] [2022-02-16 08:38:01,607 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 08:38:01,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 08:38:01,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 08:38:01,618 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) [2022-02-16 08:38:01,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-16 08:38:07,776 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 08:38:07,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 08:38:07,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-16 08:38:07,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 08:38:09,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 08:38:09,446 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 08:38:10,042 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 08:38:10,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924305925] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 08:38:10,043 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 08:38:10,043 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 21 [2022-02-16 08:38:10,043 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201649848] [2022-02-16 08:38:10,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 08:38:10,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-16 08:38:10,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 08:38:10,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-16 08:38:10,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2022-02-16 08:38:10,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:38:10,045 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 08:38:10,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.80952380952381) internal successors, (185), 21 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 08:38:10,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:38:10,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 08:38:10,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-16 08:38:10,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-16 08:38:10,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-16 08:38:10,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:38:12,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:38:21,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:38:22,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-16 08:38:24,840 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1051 transitions and produced 622 states. [2022-02-16 08:38:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 08:38:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 08:38:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-16 08:38:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-16 08:38:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-16 08:38:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-16 08:38:24,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-16 08:38:25,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 08:38:25,042 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-16 08:38:25,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 08:38:25,042 INFO L85 PathProgramCache]: Analyzing trace with hash -987020805, now seen corresponding path program 3 times [2022-02-16 08:38:25,043 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 08:38:25,043 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848572732] [2022-02-16 08:38:25,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 08:38:25,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 08:38:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 08:38:25,690 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 08:38:25,691 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 08:38:25,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848572732] [2022-02-16 08:38:25,691 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848572732] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 08:38:25,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564344205] [2022-02-16 08:38:25,691 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 08:38:25,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 08:38:25,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 08:38:25,692 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 08:38:25,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-16 08:45:26,214 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-16 08:45:26,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 08:45:26,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-16 08:45:26,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 08:46:57,030 WARN L228 SmtUtils]: Spent 7.61s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-16 08:47:33,700 WARN L228 SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2022-02-16 08:49:32,932 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 [2022-02-16 08:49:32,932 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 08:49:32,932 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 08:49:33,638 WARN L244 SmtUtils]: Removed 1 from assertion stack [2022-02-16 08:49:33,641 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-02-16 08:49:33,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-16 08:49:33,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 08:49:33,856 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-471-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-02-16 08:49:33,857 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-02-16 08:49:33,857 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-02-16 08:49:33,857 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-02-16 08:49:33,858 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-02-16 08:49:33,865 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2022-02-16 08:49:33,867 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 08:49:33,867 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 08:49:33,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 08:49:33 BasicIcfg [2022-02-16 08:49:33,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 08:49:33,869 INFO L158 Benchmark]: Toolchain (without parser) took 882904.33ms. Allocated memory was 224.4MB in the beginning and 766.5MB in the end (delta: 542.1MB). Free memory was 171.6MB in the beginning and 539.8MB in the end (delta: -368.2MB). Peak memory consumption was 471.8MB. Max. memory is 8.0GB. [2022-02-16 08:49:33,869 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 224.4MB. Free memory is still 188.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 08:49:33,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.01ms. Allocated memory is still 224.4MB. Free memory was 171.4MB in the beginning and 196.8MB in the end (delta: -25.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-16 08:49:33,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.62ms. Allocated memory is still 224.4MB. Free memory was 196.8MB in the beginning and 195.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 08:49:33,870 INFO L158 Benchmark]: Boogie Preprocessor took 28.85ms. Allocated memory is still 224.4MB. Free memory was 195.2MB in the beginning and 193.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-16 08:49:33,870 INFO L158 Benchmark]: RCFGBuilder took 381.71ms. Allocated memory is still 224.4MB. Free memory was 193.6MB in the beginning and 179.9MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-16 08:49:33,870 INFO L158 Benchmark]: TraceAbstraction took 882224.64ms. Allocated memory was 224.4MB in the beginning and 766.5MB in the end (delta: 542.1MB). Free memory was 179.5MB in the beginning and 539.8MB in the end (delta: -360.3MB). Peak memory consumption was 480.2MB. Max. memory is 8.0GB. [2022-02-16 08:49:33,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 224.4MB. Free memory is still 188.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 229.01ms. Allocated memory is still 224.4MB. Free memory was 171.4MB in the beginning and 196.8MB in the end (delta: -25.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.62ms. Allocated memory is still 224.4MB. Free memory was 196.8MB in the beginning and 195.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.85ms. Allocated memory is still 224.4MB. Free memory was 195.2MB in the beginning and 193.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 381.71ms. Allocated memory is still 224.4MB. Free memory was 193.6MB in the beginning and 179.9MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 882224.64ms. Allocated memory was 224.4MB in the beginning and 766.5MB in the end (delta: 542.1MB). Free memory was 179.5MB in the beginning and 539.8MB in the end (delta: -360.3MB). Peak memory consumption was 480.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-471-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-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 PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-471-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-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 PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-471-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-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 PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-471-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-471-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 140 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 882.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 163.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 71, 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, 6.7s SatisfiabilityAnalysisTime, 41.9s InterpolantComputationTime, 856 NumberOfCodeBlocks, 856 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1132 ConstructedInterpolants, 7 QuantifiedInterpolants, 19896 SizeOfPredicates, 35 NumberOfNonLiveVariables, 762 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 1/25 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