/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.partial.order.reduction.in.concurrent.analysis DPOR_SLEEP_NEW_STATES -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 22:05:13,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 22:05:13,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 22:05:13,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 22:05:13,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 22:05:13,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 22:05:13,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 22:05:13,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 22:05:13,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 22:05:13,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 22:05:13,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 22:05:13,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 22:05:13,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 22:05:13,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 22:05:13,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 22:05:13,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 22:05:13,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 22:05:13,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 22:05:13,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 22:05:13,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 22:05:13,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 22:05:13,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 22:05:13,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 22:05:13,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 22:05:13,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-23 22:05:13,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-23 22:05:13,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-23 22:05:13,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-23 22:05:13,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-23 22:05:13,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-23 22:05:13,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 22:05:13,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 22:05:13,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 22:05:13,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 22:05:13,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 22:05:13,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 22:05:13,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 22:05:13,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 22:05:13,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 22:05:13,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 22:05:13,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 22:05:13,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 22:05:13,241 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 22:05:13,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 22:05:13,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 22:05:13,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 22:05:13,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 22:05:13,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 22:05:13,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 22:05:13,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 22:05:13,244 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 22:05:13,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 22:05:13,244 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 22:05:13,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 22:05:13,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 22:05:13,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 22:05:13,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 22:05:13,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 22:05:13,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 22:05:13,245 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 22:05:13,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 22:05:13,246 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 22:05:13,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 22:05:13,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 22:05:13,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 22:05:13,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 22:05:13,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 22:05:13,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 22:05:13,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 22:05:13,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 22:05:13,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 22:05:13,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 22:05:13,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 22:05:13,248 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 22:05:13,248 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 22:05:13,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 22:05:13,248 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 22:05:13,248 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 22:05:13,249 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> DPOR_SLEEP_NEW_STATES [2023-03-23 22:05:13,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 22:05:13,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 22:05:13,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 22:05:13,493 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 22:05:13,494 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 22:05:13,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c [2023-03-23 22:05:14,605 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 22:05:14,765 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 22:05:14,766 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c [2023-03-23 22:05:14,772 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c2f8832b/82a9d43dfa0b4570ac97431a34110da3/FLAGe201cf7dc [2023-03-23 22:05:14,788 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c2f8832b/82a9d43dfa0b4570ac97431a34110da3 [2023-03-23 22:05:14,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 22:05:14,791 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 22:05:14,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 22:05:14,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 22:05:14,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 22:05:14,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 10:05:14" (1/1) ... [2023-03-23 22:05:14,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b313be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:05:14, skipping insertion in model container [2023-03-23 22:05:14,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 10:05:14" (1/1) ... [2023-03-23 22:05:14,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 22:05:14,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 22:05:15,000 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c[2815,2828] [2023-03-23 22:05:15,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 22:05:15,026 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 22:05:15,054 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c[2815,2828] [2023-03-23 22:05:15,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 22:05:15,064 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 22:05:15,064 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 22:05:15,071 INFO L208 MainTranslator]: Completed translation [2023-03-23 22:05:15,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:05:15 WrapperNode [2023-03-23 22:05:15,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 22:05:15,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 22:05:15,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 22:05:15,073 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 22:05:15,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:05:15" (1/1) ... [2023-03-23 22:05:15,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:05:15" (1/1) ... [2023-03-23 22:05:15,130 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 236 [2023-03-23 22:05:15,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 22:05:15,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 22:05:15,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 22:05:15,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 22:05:15,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:05:15" (1/1) ... [2023-03-23 22:05:15,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:05:15" (1/1) ... [2023-03-23 22:05:15,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:05:15" (1/1) ... [2023-03-23 22:05:15,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:05:15" (1/1) ... [2023-03-23 22:05:15,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:05:15" (1/1) ... [2023-03-23 22:05:15,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:05:15" (1/1) ... [2023-03-23 22:05:15,177 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:05:15" (1/1) ... [2023-03-23 22:05:15,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:05:15" (1/1) ... [2023-03-23 22:05:15,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 22:05:15,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 22:05:15,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 22:05:15,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 22:05:15,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:05:15" (1/1) ... [2023-03-23 22:05:15,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 22:05:15,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 22:05:15,217 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) [2023-03-23 22:05:15,230 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 [2023-03-23 22:05:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 22:05:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 22:05:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 22:05:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 22:05:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-03-23 22:05:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-03-23 22:05:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-03-23 22:05:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-03-23 22:05:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-03-23 22:05:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-03-23 22:05:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 22:05:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-03-23 22:05:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-03-23 22:05:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-23 22:05:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 22:05:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 22:05:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 22:05:15,260 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 22:05:15,402 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 22:05:15,404 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 22:05:15,827 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 22:05:15,922 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 22:05:15,922 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-03-23 22:05:15,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 10:05:15 BoogieIcfgContainer [2023-03-23 22:05:15,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 22:05:15,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 22:05:15,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 22:05:15,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 22:05:15,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 10:05:14" (1/3) ... [2023-03-23 22:05:15,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4a516c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 10:05:15, skipping insertion in model container [2023-03-23 22:05:15,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:05:15" (2/3) ... [2023-03-23 22:05:15,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4a516c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 10:05:15, skipping insertion in model container [2023-03-23 22:05:15,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 10:05:15" (3/3) ... [2023-03-23 22:05:15,931 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-min.wvr.c [2023-03-23 22:05:15,937 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 22:05:15,945 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 22:05:15,945 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 22:05:15,945 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 22:05:16,043 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-03-23 22:05:16,088 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 22:05:16,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 22:05:16,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 22:05:16,091 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) [2023-03-23 22:05:16,093 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 [2023-03-23 22:05:16,126 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 22:05:16,143 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 22:05:16,150 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@4c455e56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 22:05:16,150 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-03-23 22:05:18,023 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)] === [2023-03-23 22:05:18,028 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:05:18,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1796793571, now seen corresponding path program 1 times [2023-03-23 22:05:18,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:05:18,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333860259] [2023-03-23 22:05:18,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:05:18,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:05:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:05:18,436 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-03-23 22:05:18,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:05:18,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333860259] [2023-03-23 22:05:18,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333860259] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 22:05:18,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 22:05:18,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 22:05:18,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369869116] [2023-03-23 22:05:18,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 22:05:18,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 22:05:18,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:05:18,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 22:05:18,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 22:05:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:18,466 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:05:18,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 112.0) internal successors, (224), 2 states have internal predecessors, (224), 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) [2023-03-23 22:05:18,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:19,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:19,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 22:05:19,292 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)] === [2023-03-23 22:05:19,292 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:05:19,293 INFO L85 PathProgramCache]: Analyzing trace with hash -175289550, now seen corresponding path program 1 times [2023-03-23 22:05:19,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:05:19,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081243370] [2023-03-23 22:05:19,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:05:19,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:05:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:05:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-03-23 22:05:19,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:05:19,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081243370] [2023-03-23 22:05:19,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081243370] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 22:05:19,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 22:05:19,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-23 22:05:19,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323761808] [2023-03-23 22:05:19,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 22:05:19,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-23 22:05:19,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:05:19,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-23 22:05:19,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-03-23 22:05:19,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:19,878 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:05:19,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.428571428571427) internal successors, (213), 7 states have internal predecessors, (213), 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) [2023-03-23 22:05:19,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:19,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:20,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 22:05:20,791 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)] === [2023-03-23 22:05:20,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:05:20,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1463526233, now seen corresponding path program 1 times [2023-03-23 22:05:20,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:05:20,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244239213] [2023-03-23 22:05:20,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:05:20,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:05:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:05:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-03-23 22:05:21,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:05:21,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244239213] [2023-03-23 22:05:21,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244239213] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 22:05:21,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989150142] [2023-03-23 22:05:21,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:05:21,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 22:05:21,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 22:05:21,303 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) [2023-03-23 22:05:21,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-23 22:05:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:05:21,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-23 22:05:21,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 22:05:21,822 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-03-23 22:05:21,822 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 22:05:22,098 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-03-23 22:05:22,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989150142] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 22:05:22,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 22:05:22,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-03-23 22:05:22,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47367595] [2023-03-23 22:05:22,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 22:05:22,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-23 22:05:22,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:05:22,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-23 22:05:22,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2023-03-23 22:05:22,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:22,101 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:05:22,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.578947368421053) internal successors, (277), 19 states have internal predecessors, (277), 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) [2023-03-23 22:05:22,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:22,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:22,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:23,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:23,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:23,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:23,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-23 22:05:23,320 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,SelfDestructingSolverStorable2 [2023-03-23 22:05:23,321 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)] === [2023-03-23 22:05:23,321 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:05:23,321 INFO L85 PathProgramCache]: Analyzing trace with hash 927936284, now seen corresponding path program 2 times [2023-03-23 22:05:23,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:05:23,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372718459] [2023-03-23 22:05:23,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:05:23,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:05:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:05:23,851 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 41 proven. 11 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-03-23 22:05:23,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:05:23,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372718459] [2023-03-23 22:05:23,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372718459] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 22:05:23,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793572851] [2023-03-23 22:05:23,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 22:05:23,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 22:05:23,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 22:05:23,854 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) [2023-03-23 22:05:23,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-23 22:05:24,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 22:05:24,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 22:05:24,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 12 conjunts are in the unsatisfiable core [2023-03-23 22:05:24,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 22:05:24,493 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 71 proven. 10 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-03-23 22:05:24,493 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 22:05:24,927 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 25 proven. 56 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-03-23 22:05:24,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793572851] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 22:05:24,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 22:05:24,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 31 [2023-03-23 22:05:24,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632504545] [2023-03-23 22:05:24,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 22:05:24,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-03-23 22:05:24,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:05:24,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-03-23 22:05:24,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=760, Unknown=0, NotChecked=0, Total=930 [2023-03-23 22:05:24,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:24,931 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:05:24,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 13.225806451612904) internal successors, (410), 31 states have internal predecessors, (410), 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) [2023-03-23 22:05:24,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:24,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:24,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:24,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:26,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:26,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:26,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:26,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:26,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-23 22:05:26,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 22:05:26,363 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)] === [2023-03-23 22:05:26,363 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:05:26,364 INFO L85 PathProgramCache]: Analyzing trace with hash -163659119, now seen corresponding path program 3 times [2023-03-23 22:05:26,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:05:26,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591004314] [2023-03-23 22:05:26,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:05:26,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:05:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:05:27,217 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 47 proven. 70 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-03-23 22:05:27,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:05:27,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591004314] [2023-03-23 22:05:27,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591004314] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 22:05:27,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179647626] [2023-03-23 22:05:27,218 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 22:05:27,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 22:05:27,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 22:05:27,221 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) [2023-03-23 22:05:27,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-23 22:05:27,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-03-23 22:05:27,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 22:05:27,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 10 conjunts are in the unsatisfiable core [2023-03-23 22:05:27,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 22:05:27,712 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 53 proven. 8 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-03-23 22:05:27,713 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 22:05:27,982 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 53 proven. 8 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-03-23 22:05:27,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179647626] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 22:05:27,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 22:05:27,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 10, 10] total 28 [2023-03-23 22:05:27,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733605799] [2023-03-23 22:05:27,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 22:05:27,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-03-23 22:05:27,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:05:27,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-03-23 22:05:27,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=682, Unknown=0, NotChecked=0, Total=756 [2023-03-23 22:05:27,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:27,985 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:05:27,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 18.75) internal successors, (525), 28 states have internal predecessors, (525), 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) [2023-03-23 22:05:27,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:27,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:27,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:27,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:27,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:31,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:31,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:31,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:31,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:31,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 22:05:31,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-23 22:05:31,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 22:05:31,773 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)] === [2023-03-23 22:05:31,774 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:05:31,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1702541909, now seen corresponding path program 4 times [2023-03-23 22:05:31,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:05:31,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842515] [2023-03-23 22:05:31,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:05:31,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:05:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:05:32,565 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 51 proven. 95 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-03-23 22:05:32,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:05:32,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842515] [2023-03-23 22:05:32,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842515] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 22:05:32,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862402424] [2023-03-23 22:05:32,566 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-03-23 22:05:32,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 22:05:32,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 22:05:32,573 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) [2023-03-23 22:05:32,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-23 22:05:32,740 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-03-23 22:05:32,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 22:05:32,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 20 conjunts are in the unsatisfiable core [2023-03-23 22:05:32,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 22:05:33,518 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 94 proven. 52 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-03-23 22:05:33,518 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 22:05:34,211 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 73 proven. 73 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-03-23 22:05:34,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862402424] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 22:05:34,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 22:05:34,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 50 [2023-03-23 22:05:34,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032455223] [2023-03-23 22:05:34,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 22:05:34,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-03-23 22:05:34,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:05:34,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-03-23 22:05:34,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=2042, Unknown=0, NotChecked=0, Total=2450 [2023-03-23 22:05:34,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:34,216 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:05:34,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 9.58) internal successors, (479), 50 states have internal predecessors, (479), 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) [2023-03-23 22:05:34,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:34,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:34,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:34,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:34,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 22:05:34,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 22:05:36,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-03-23 22:05:36,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-23 22:05:36,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 22:05:36,295 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)] === [2023-03-23 22:05:36,295 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:05:36,296 INFO L85 PathProgramCache]: Analyzing trace with hash -927919466, now seen corresponding path program 5 times [2023-03-23 22:05:36,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:05:36,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937214067] [2023-03-23 22:05:36,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:05:36,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:05:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:05:37,126 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 60 proven. 115 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-03-23 22:05:37,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:05:37,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937214067] [2023-03-23 22:05:37,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937214067] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 22:05:37,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183285240] [2023-03-23 22:05:37,127 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-03-23 22:05:37,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 22:05:37,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 22:05:37,128 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 22:05:37,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-23 22:05:38,127 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-03-23 22:05:38,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 22:05:38,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 16 conjunts are in the unsatisfiable core [2023-03-23 22:05:38,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 22:05:38,576 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 25 proven. 69 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-03-23 22:05:38,576 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 22:05:38,847 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 28 proven. 30 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-03-23 22:05:38,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183285240] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 22:05:38,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 22:05:38,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 10] total 43 [2023-03-23 22:05:38,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103323780] [2023-03-23 22:05:38,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 22:05:38,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-03-23 22:05:38,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:05:38,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-03-23 22:05:38,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1673, Unknown=0, NotChecked=0, Total=1806 [2023-03-23 22:05:38,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:38,851 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:05:38,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 13.279069767441861) internal successors, (571), 43 states have internal predecessors, (571), 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) [2023-03-23 22:05:38,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:38,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:38,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:38,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:38,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 22:05:38,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-03-23 22:05:38,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:40,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:40,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:40,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:40,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:40,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 22:05:40,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-03-23 22:05:40,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-03-23 22:05:40,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-23 22:05:41,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 22:05:41,051 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)] === [2023-03-23 22:05:41,051 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:05:41,051 INFO L85 PathProgramCache]: Analyzing trace with hash -839841093, now seen corresponding path program 6 times [2023-03-23 22:05:41,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:05:41,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275425477] [2023-03-23 22:05:41,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:05:41,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:05:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:05:41,762 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 33 proven. 62 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-03-23 22:05:41,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:05:41,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275425477] [2023-03-23 22:05:41,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275425477] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 22:05:41,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005645314] [2023-03-23 22:05:41,763 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-03-23 22:05:41,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 22:05:41,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 22:05:41,765 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 22:05:41,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-03-23 22:05:42,148 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-03-23 22:05:42,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 22:05:42,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 57 conjunts are in the unsatisfiable core [2023-03-23 22:05:42,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 22:05:43,498 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 141 proven. 20 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-03-23 22:05:43,499 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 22:05:44,316 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 48 proven. 80 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2023-03-23 22:05:44,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005645314] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 22:05:44,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 22:05:44,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 36, 22] total 69 [2023-03-23 22:05:44,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831459005] [2023-03-23 22:05:44,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 22:05:44,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2023-03-23 22:05:44,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:05:44,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2023-03-23 22:05:44,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=742, Invalid=3950, Unknown=0, NotChecked=0, Total=4692 [2023-03-23 22:05:44,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:44,321 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:05:44,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 9.130434782608695) internal successors, (630), 69 states have internal predecessors, (630), 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) [2023-03-23 22:05:44,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:44,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:44,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:44,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:44,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 22:05:44,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-03-23 22:05:44,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-03-23 22:05:44,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:46,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:46,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:46,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:46,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 22:05:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-03-23 22:05:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-03-23 22:05:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-03-23 22:05:46,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-03-23 22:05:46,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 22:05:46,960 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 22:05:46,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:05:46,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1044221617, now seen corresponding path program 1 times [2023-03-23 22:05:46,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:05:46,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586144510] [2023-03-23 22:05:46,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:05:46,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:05:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:05:47,332 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2023-03-23 22:05:47,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:05:47,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586144510] [2023-03-23 22:05:47,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586144510] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 22:05:47,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554291236] [2023-03-23 22:05:47,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:05:47,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 22:05:47,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 22:05:47,334 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 22:05:47,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-03-23 22:05:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:05:47,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 14 conjunts are in the unsatisfiable core [2023-03-23 22:05:47,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 22:05:48,073 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 52 proven. 33 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-03-23 22:05:48,073 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 22:05:48,689 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-03-23 22:05:48,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554291236] provided 1 perfect and 1 imperfect interpolant sequences [2023-03-23 22:05:48,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-03-23 22:05:48,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [9, 15] total 32 [2023-03-23 22:05:48,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833848514] [2023-03-23 22:05:48,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 22:05:48,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-03-23 22:05:48,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:05:48,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-03-23 22:05:48,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2023-03-23 22:05:48,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:48,692 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:05:48,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 17.4) internal successors, (261), 15 states have internal predecessors, (261), 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) [2023-03-23 22:05:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 22:05:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-03-23 22:05:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-03-23 22:05:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-03-23 22:05:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:49,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:49,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:49,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:49,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:49,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 22:05:49,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-03-23 22:05:49,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-03-23 22:05:49,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-03-23 22:05:49,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:49,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-03-23 22:05:49,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-03-23 22:05:49,425 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 22:05:49,425 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:05:49,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1762715552, now seen corresponding path program 7 times [2023-03-23 22:05:49,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:05:49,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935264660] [2023-03-23 22:05:49,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:05:49,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:05:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:05:49,914 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 2 proven. 60 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-03-23 22:05:49,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:05:49,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935264660] [2023-03-23 22:05:49,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935264660] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 22:05:49,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849565065] [2023-03-23 22:05:49,914 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-03-23 22:05:49,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 22:05:49,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 22:05:49,916 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 22:05:49,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-03-23 22:05:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:05:50,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 16 conjunts are in the unsatisfiable core [2023-03-23 22:05:50,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 22:05:50,646 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 52 proven. 34 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-03-23 22:05:50,647 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 22:05:51,266 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-03-23 22:05:51,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849565065] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 22:05:51,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 22:05:51,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 17] total 39 [2023-03-23 22:05:51,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578919684] [2023-03-23 22:05:51,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 22:05:51,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-03-23 22:05:51,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:05:51,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-03-23 22:05:51,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=1186, Unknown=0, NotChecked=0, Total=1482 [2023-03-23 22:05:51,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:51,270 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:05:51,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 13.025641025641026) internal successors, (508), 39 states have internal predecessors, (508), 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) [2023-03-23 22:05:51,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:51,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:51,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:51,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:51,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 22:05:51,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-03-23 22:05:51,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-03-23 22:05:51,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-03-23 22:05:51,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:51,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:52,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:52,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:52,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:52,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:52,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 22:05:52,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-03-23 22:05:52,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-03-23 22:05:52,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-03-23 22:05:52,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:52,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-03-23 22:05:52,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-03-23 22:05:52,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-03-23 22:05:52,781 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 22:05:52,781 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:05:52,781 INFO L85 PathProgramCache]: Analyzing trace with hash -344654208, now seen corresponding path program 8 times [2023-03-23 22:05:52,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:05:52,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427643962] [2023-03-23 22:05:52,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:05:52,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:05:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:05:53,445 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 30 proven. 79 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-03-23 22:05:53,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:05:53,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427643962] [2023-03-23 22:05:53,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427643962] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 22:05:53,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032686537] [2023-03-23 22:05:53,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 22:05:53,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 22:05:53,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 22:05:53,449 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 22:05:53,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-03-23 22:05:53,671 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 22:05:53,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 22:05:53,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 20 conjunts are in the unsatisfiable core [2023-03-23 22:05:53,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 22:05:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 52 proven. 57 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-03-23 22:05:54,290 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 22:05:55,002 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 85 proven. 24 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-03-23 22:05:55,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032686537] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 22:05:55,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 22:05:55,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 50 [2023-03-23 22:05:55,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075827556] [2023-03-23 22:05:55,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 22:05:55,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-03-23 22:05:55,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:05:55,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-03-23 22:05:55,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=2053, Unknown=0, NotChecked=0, Total=2450 [2023-03-23 22:05:55,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:55,006 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:05:55,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 7.92) internal successors, (396), 50 states have internal predecessors, (396), 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) [2023-03-23 22:05:55,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:55,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:55,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:55,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:55,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 22:05:55,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-03-23 22:05:55,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-03-23 22:05:55,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-03-23 22:05:55,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:55,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-03-23 22:05:55,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:56,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:05:56,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 22:05:56,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 22:05:56,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:56,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 22:05:56,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-03-23 22:05:56,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-03-23 22:05:56,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-03-23 22:05:56,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:05:56,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-03-23 22:05:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-03-23 22:05:56,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-03-23 22:05:56,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-03-23 22:05:56,641 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 22:05:56,642 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:05:56,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1635901681, now seen corresponding path program 9 times [2023-03-23 22:05:56,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:05:56,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086510951] [2023-03-23 22:05:56,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:05:56,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:05:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:06:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 22:06:31,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:06:31,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086510951] [2023-03-23 22:06:31,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086510951] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 22:06:31,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788874448] [2023-03-23 22:06:31,454 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 22:06:31,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 22:06:31,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 22:06:31,456 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 22:06:31,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-03-23 22:06:31,961 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-03-23 22:06:31,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 22:06:31,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 237 conjunts are in the unsatisfiable core [2023-03-23 22:06:31,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 22:06:32,180 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 [2023-03-23 22:06:33,537 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-03-23 22:06:33,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-03-23 22:06:35,305 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-03-23 22:06:35,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-03-23 22:06:37,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-03-23 22:06:49,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 98 [2023-03-23 22:06:50,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 110 [2023-03-23 22:06:51,062 INFO L321 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2023-03-23 22:06:51,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 9 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 10 case distinctions, treesize of input 158 treesize of output 150 [2023-03-23 22:06:52,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 22:06:52,883 INFO L321 Elim1Store]: treesize reduction 152, result has 13.1 percent of original size [2023-03-23 22:06:52,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 11 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 18 case distinctions, treesize of input 187 treesize of output 188 [2023-03-23 22:07:14,997 WARN L222 SmtUtils]: Spent 7.33s on a formula simplification. DAG size of input: 899 DAG size of output: 356 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-03-23 22:07:14,999 INFO L321 Elim1Store]: treesize reduction 3312, result has 22.9 percent of original size [2023-03-23 22:07:14,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 33 select indices, 33 select index equivalence classes, 6 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 528 case distinctions, treesize of input 586 treesize of output 1184 [2023-03-23 22:11:36,116 WARN L222 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 406 DAG size of output: 484 (called from [L 809] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-03-23 22:11:42,634 WARN L222 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 391 DAG size of output: 451 (called from [L 809] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-03-23 22:13:47,151 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-03-23 22:13:47,159 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 [2023-03-23 22:13:47,159 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 22:13:47,159 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 [2023-03-23 22:13:47,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-03-23 22:13:47,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-03-23 22:13:47,360 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 417 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-20-3-22-3-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-125-22-8-23-3-23-3-23-3-22-3-20-3-7-2-2-1 context. [2023-03-23 22:13:47,362 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-03-23 22:13:47,362 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-03-23 22:13:47,362 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-03-23 22:13:47,365 INFO L445 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1] [2023-03-23 22:13:47,367 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 22:13:47,368 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 22:13:47,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 10:13:47 BasicIcfg [2023-03-23 22:13:47,369 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 22:13:47,370 INFO L158 Benchmark]: Toolchain (without parser) took 512578.84ms. Allocated memory was 178.3MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 131.0MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-03-23 22:13:47,370 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 22:13:47,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.21ms. Allocated memory is still 178.3MB. Free memory was 130.7MB in the beginning and 118.7MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-23 22:13:47,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.07ms. Allocated memory is still 178.3MB. Free memory was 118.5MB in the beginning and 116.0MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-23 22:13:47,371 INFO L158 Benchmark]: Boogie Preprocessor took 50.04ms. Allocated memory is still 178.3MB. Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 22:13:47,371 INFO L158 Benchmark]: RCFGBuilder took 741.76ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 113.9MB in the beginning and 179.5MB in the end (delta: -65.6MB). Peak memory consumption was 33.8MB. Max. memory is 8.0GB. [2023-03-23 22:13:47,371 INFO L158 Benchmark]: TraceAbstraction took 511443.57ms. Allocated memory was 213.9MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 179.0MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-03-23 22:13:47,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 279.21ms. Allocated memory is still 178.3MB. Free memory was 130.7MB in the beginning and 118.7MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.07ms. Allocated memory is still 178.3MB. Free memory was 118.5MB in the beginning and 116.0MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.04ms. Allocated memory is still 178.3MB. Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 741.76ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 113.9MB in the beginning and 179.5MB in the end (delta: -65.6MB). Peak memory consumption was 33.8MB. Max. memory is 8.0GB. * TraceAbstraction took 511443.57ms. Allocated memory was 213.9MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 179.0MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5585601, independent: 4879418, independent conditional: 52351, independent unconditional: 4827067, dependent: 706183, dependent conditional: 9790, dependent unconditional: 696393, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4932105, independent: 4879418, independent conditional: 52351, independent unconditional: 4827067, dependent: 52687, dependent conditional: 313, dependent unconditional: 52374, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4932105, independent: 4879418, independent conditional: 52351, independent unconditional: 4827067, dependent: 52687, dependent conditional: 313, dependent unconditional: 52374, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4932988, independent: 4879418, independent conditional: 0, independent unconditional: 4879418, dependent: 53570, dependent conditional: 883, dependent unconditional: 52687, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4932988, independent: 4879418, independent conditional: 0, independent unconditional: 4879418, dependent: 53570, dependent conditional: 141, dependent unconditional: 53429, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4932988, independent: 4879418, independent conditional: 0, independent unconditional: 4879418, dependent: 53570, dependent conditional: 141, dependent unconditional: 53429, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11634, independent: 11485, independent conditional: 0, independent unconditional: 11485, dependent: 149, dependent conditional: 14, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11634, independent: 11468, independent conditional: 0, independent unconditional: 11468, dependent: 166, dependent conditional: 0, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 166, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 149, dependent conditional: 14, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 149, dependent conditional: 14, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 592, independent: 82, independent conditional: 0, independent unconditional: 82, dependent: 510, dependent conditional: 77, dependent unconditional: 433, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4932988, independent: 4867933, independent conditional: 0, independent unconditional: 4867933, dependent: 53421, dependent conditional: 127, dependent unconditional: 53294, unknown: 11634, unknown conditional: 14, unknown unconditional: 11620] , Statistics on independence cache: Total cache size (in pairs): 11634, Positive cache size: 11485, Positive conditional cache size: 0, Positive unconditional cache size: 11485, Negative cache size: 149, Negative conditional cache size: 14, Negative unconditional cache size: 135, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 742, Maximal queried relation: 6, Independence queries for same thread: 653496 - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 417 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-20-3-22-3-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-125-22-8-23-3-23-3-23-3-22-3-20-3-7-2-2-1 context. - TimeoutResultAtElement [Line: 108]: 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 417 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-20-3-22-3-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-125-22-8-23-3-23-3-23-3-22-3-20-3-7-2-2-1 context. - TimeoutResultAtElement [Line: 106]: 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 417 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-20-3-22-3-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-125-22-8-23-3-23-3-23-3-22-3-20-3-7-2-2-1 context. - TimeoutResultAtElement [Line: 107]: 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 417 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-20-3-22-3-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-125-22-8-23-3-23-3-23-3-22-3-20-3-7-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 303 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 511.3s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 19.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 354, 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: 0.4s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 15.8s InterpolantComputationTime, 7120 NumberOfCodeBlocks, 6992 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 10379 ConstructedInterpolants, 0 QuantifiedInterpolants, 30097 SizeOfPredicates, 148 NumberOfNonLiveVariables, 6914 ConjunctsInSsa, 173 ConjunctsInUnsatCore, 29 InterpolantComputations, 3 PerfectInterpolantSequences, 6865/7952 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