/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/mult-comm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 21:23:56,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 21:23:56,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 21:23:56,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 21:23:56,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 21:23:56,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 21:23:56,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 21:23:56,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 21:23:56,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 21:23:56,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 21:23:56,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 21:23:56,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 21:23:56,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 21:23:56,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 21:23:56,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 21:23:56,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 21:23:56,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 21:23:56,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 21:23:56,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 21:23:56,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 21:23:56,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 21:23:56,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 21:23:56,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 21:23:56,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 21:23:56,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-23 21:23:56,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-23 21:23:56,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-23 21:23:56,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-23 21:23:56,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-23 21:23:56,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-23 21:23:56,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 21:23:56,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 21:23:56,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 21:23:56,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 21:23:56,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 21:23:56,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 21:23:56,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 21:23:56,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 21:23:56,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 21:23:56,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 21:23:56,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 21:23:56,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 21:23:56,292 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 21:23:56,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 21:23:56,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 21:23:56,293 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 21:23:56,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 21:23:56,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 21:23:56,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 21:23:56,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 21:23:56,295 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 21:23:56,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 21:23:56,296 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 21:23:56,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 21:23:56,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 21:23:56,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 21:23:56,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 21:23:56,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 21:23:56,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 21:23:56,297 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 21:23:56,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 21:23:56,297 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 21:23:56,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 21:23:56,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 21:23:56,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 21:23:56,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 21:23:56,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 21:23:56,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:23:56,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 21:23:56,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 21:23:56,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 21:23:56,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 21:23:56,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 21:23:56,299 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 21:23:56,300 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 21:23:56,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 21:23:56,300 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 21:23:56,300 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 21:23:56,300 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> DPOR_SLEEP_NEW_STATES [2023-03-23 21:23:56,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 21:23:56,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 21:23:56,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 21:23:56,527 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 21:23:56,528 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 21:23:56,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-03-23 21:23:57,621 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 21:23:57,804 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 21:23:57,805 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-03-23 21:23:57,814 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3dc941de/4f66464833994d3b87014edc78a1b4ff/FLAGcbc0a23b5 [2023-03-23 21:23:57,825 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3dc941de/4f66464833994d3b87014edc78a1b4ff [2023-03-23 21:23:57,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 21:23:57,828 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 21:23:57,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 21:23:57,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 21:23:57,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 21:23:57,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:23:57" (1/1) ... [2023-03-23 21:23:57,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c6352fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:23:57, skipping insertion in model container [2023-03-23 21:23:57,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:23:57" (1/1) ... [2023-03-23 21:23:57,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 21:23:57,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 21:23:57,999 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/mult-comm.wvr.c[1910,1923] [2023-03-23 21:23:58,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:23:58,015 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 21:23:58,033 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/mult-comm.wvr.c[1910,1923] [2023-03-23 21:23:58,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:23:58,046 INFO L208 MainTranslator]: Completed translation [2023-03-23 21:23:58,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:23:58 WrapperNode [2023-03-23 21:23:58,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 21:23:58,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 21:23:58,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 21:23:58,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 21:23:58,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:23:58" (1/1) ... [2023-03-23 21:23:58,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:23:58" (1/1) ... [2023-03-23 21:23:58,071 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2023-03-23 21:23:58,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 21:23:58,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 21:23:58,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 21:23:58,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 21:23:58,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:23:58" (1/1) ... [2023-03-23 21:23:58,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:23:58" (1/1) ... [2023-03-23 21:23:58,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:23:58" (1/1) ... [2023-03-23 21:23:58,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:23:58" (1/1) ... [2023-03-23 21:23:58,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:23:58" (1/1) ... [2023-03-23 21:23:58,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:23:58" (1/1) ... [2023-03-23 21:23:58,088 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:23:58" (1/1) ... [2023-03-23 21:23:58,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:23:58" (1/1) ... [2023-03-23 21:23:58,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 21:23:58,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 21:23:58,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 21:23:58,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 21:23:58,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:23:58" (1/1) ... [2023-03-23 21:23:58,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:23:58,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:23:58,117 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 21:23:58,120 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 21:23:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 21:23:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-03-23 21:23:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-03-23 21:23:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-03-23 21:23:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-03-23 21:23:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 21:23:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 21:23:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 21:23:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 21:23:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 21:23:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 21:23:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 21:23:58,148 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 21:23:58,226 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 21:23:58,228 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 21:23:58,412 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 21:23:58,418 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 21:23:58,419 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-03-23 21:23:58,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:23:58 BoogieIcfgContainer [2023-03-23 21:23:58,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 21:23:58,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 21:23:58,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 21:23:58,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 21:23:58,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 09:23:57" (1/3) ... [2023-03-23 21:23:58,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ec0aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:23:58, skipping insertion in model container [2023-03-23 21:23:58,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:23:58" (2/3) ... [2023-03-23 21:23:58,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ec0aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:23:58, skipping insertion in model container [2023-03-23 21:23:58,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:23:58" (3/3) ... [2023-03-23 21:23:58,444 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2023-03-23 21:23:58,451 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 21:23:58,476 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 21:23:58,477 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 21:23:58,477 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 21:23:58,566 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-03-23 21:23:58,602 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:23:58,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 21:23:58,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:23:58,606 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 21:23:58,637 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 21:23:58,657 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 21:23:58,665 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 21:23:58,674 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;@76c685c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:23:58,674 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-03-23 21:23:58,994 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:23:58,999 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:23:58,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1204736543, now seen corresponding path program 1 times [2023-03-23 21:23:59,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:23:59,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38855364] [2023-03-23 21:23:59,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:23:59,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:23:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:23:59,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:23:59,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:23:59,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38855364] [2023-03-23 21:23:59,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38855364] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:23:59,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:23:59,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 21:23:59,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785163797] [2023-03-23 21:23:59,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:23:59,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 21:23:59,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:23:59,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 21:23:59,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 21:23:59,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:23:59,278 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:23:59,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 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 21:23:59,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:23:59,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:23:59,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 21:23:59,361 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:23:59,362 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:23:59,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1762251772, now seen corresponding path program 1 times [2023-03-23 21:23:59,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:23:59,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412183089] [2023-03-23 21:23:59,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:23:59,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:23:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:23:59,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:23:59,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:23:59,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412183089] [2023-03-23 21:23:59,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412183089] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:23:59,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:23:59,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-23 21:23:59,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086516218] [2023-03-23 21:23:59,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:23:59,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 21:23:59,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:23:59,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 21:23:59,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-03-23 21:23:59,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:23:59,939 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:23:59,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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 21:23:59,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:23:59,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:24:00,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:24:00,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:24:00,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 21:24:00,037 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:24:00,038 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:24:00,038 INFO L85 PathProgramCache]: Analyzing trace with hash -731649834, now seen corresponding path program 1 times [2023-03-23 21:24:00,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:24:00,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951590771] [2023-03-23 21:24:00,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:24:00,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:24:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:24:00,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:24:00,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:24:00,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951590771] [2023-03-23 21:24:00,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951590771] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:24:00,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152426120] [2023-03-23 21:24:00,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:24:00,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:24:00,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:24:00,607 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 21:24:00,609 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 21:24:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:24:00,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 17 conjunts are in the unsatisfiable core [2023-03-23 21:24:00,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:24:00,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:24:00,997 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:24:01,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:24:01,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152426120] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:24:01,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:24:01,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 17 [2023-03-23 21:24:01,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866029334] [2023-03-23 21:24:01,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:24:01,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-03-23 21:24:01,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:24:01,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-03-23 21:24:01,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-03-23 21:24:01,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:24:01,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:24:01,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 17 states have internal predecessors, (118), 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 21:24:01,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:24:01,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:24:01,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:24:01,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:24:01,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:24:01,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-23 21:24:01,477 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 21:24:01,677 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 21:24:01,677 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:24:01,678 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:24:01,678 INFO L85 PathProgramCache]: Analyzing trace with hash -313074664, now seen corresponding path program 1 times [2023-03-23 21:24:01,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:24:01,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137659744] [2023-03-23 21:24:01,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:24:01,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:24:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:24:03,168 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:24:03,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:24:03,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137659744] [2023-03-23 21:24:03,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137659744] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:24:03,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39574365] [2023-03-23 21:24:03,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:24:03,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:24:03,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:24:03,173 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 21:24:03,176 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 21:24:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:24:03,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 35 conjunts are in the unsatisfiable core [2023-03-23 21:24:03,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:24:04,674 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:24:04,674 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:24:10,776 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:24:10,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39574365] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:24:10,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:24:10,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 20] total 43 [2023-03-23 21:24:10,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710600990] [2023-03-23 21:24:10,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:24:10,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-03-23 21:24:10,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:24:10,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-03-23 21:24:10,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1624, Unknown=0, NotChecked=0, Total=1806 [2023-03-23 21:24:10,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:24:10,780 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:24:10,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.116279069767442) internal successors, (134), 43 states have internal predecessors, (134), 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 21:24:10,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:24:10,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:24:10,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-03-23 21:24:10,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:24:20,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-03-23 21:24:29,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:24:29,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:24:29,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-23 21:24:29,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-03-23 21:24:29,103 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 21:24:29,295 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 21:24:29,296 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:24:29,296 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:24:29,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1617772328, now seen corresponding path program 2 times [2023-03-23 21:24:29,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:24:29,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578386115] [2023-03-23 21:24:29,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:24:29,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:24:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:24:31,050 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:24:31,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:24:31,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578386115] [2023-03-23 21:24:31,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578386115] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:24:31,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412569487] [2023-03-23 21:24:31,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 21:24:31,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:24:31,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:24:31,057 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 21:24:31,060 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 21:24:31,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 21:24:31,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:24:31,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 48 conjunts are in the unsatisfiable core [2023-03-23 21:24:31,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:24:33,134 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:24:33,134 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:24:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:24:48,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412569487] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:24:48,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:24:48,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 27] total 63 [2023-03-23 21:24:48,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851130800] [2023-03-23 21:24:48,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:24:48,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-03-23 21:24:48,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:24:48,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-03-23 21:24:48,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=3605, Unknown=0, NotChecked=0, Total=3906 [2023-03-23 21:24:48,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:24:48,645 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:24:48,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.619047619047619) internal successors, (165), 63 states have internal predecessors, (165), 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 21:24:48,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:24:48,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:24:48,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-03-23 21:24:48,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-03-23 21:24:48,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:24:58,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-03-23 21:26:08,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-03-23 21:26:31,152 WARN L222 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 69 DAG size of output: 58 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-03-23 21:28:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:28:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:28:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-23 21:28:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-03-23 21:28:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:28:02,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-03-23 21:28:02,540 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 21:28:02,540 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:28:02,541 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:28:02,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1390525016, now seen corresponding path program 3 times [2023-03-23 21:28:02,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:28:02,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385024423] [2023-03-23 21:28:02,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:28:02,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:28:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:28:04,891 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:28:04,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:28:04,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385024423] [2023-03-23 21:28:04,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385024423] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:28:04,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128282700] [2023-03-23 21:28:04,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 21:28:04,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:28:04,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:28:04,894 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 21:28:04,896 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 21:28:05,223 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2023-03-23 21:28:05,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:28:05,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 73 conjunts are in the unsatisfiable core [2023-03-23 21:28:05,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:28:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:28:10,009 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:28:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:28:54,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128282700] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:28:54,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:28:54,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 41, 40] total 101 [2023-03-23 21:28:54,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840309019] [2023-03-23 21:28:54,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:28:54,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2023-03-23 21:28:54,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:28:54,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2023-03-23 21:28:54,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=681, Invalid=9413, Unknown=6, NotChecked=0, Total=10100 [2023-03-23 21:28:54,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:28:54,849 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:28:54,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 2.227722772277228) internal successors, (225), 101 states have internal predecessors, (225), 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 21:28:54,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:28:54,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:28:54,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-03-23 21:28:54,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-03-23 21:28:54,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:28:54,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:29:14,207 WARN L222 SmtUtils]: Spent 18.30s on a formula simplification. DAG size of input: 272 DAG size of output: 29 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-03-23 21:29:26,501 WARN L222 SmtUtils]: Spent 11.86s on a formula simplification. DAG size of input: 270 DAG size of output: 33 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-03-23 21:30:21,146 WARN L222 SmtUtils]: Spent 10.97s on a formula simplification. DAG size of input: 157 DAG size of output: 30 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-03-23 21:30:33,002 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse26 (mod c_~a~0 4294967296)) (.cse24 (mod (+ |c_thread1Thread1of1ForFork1_#t~post1| 4) 4294967296)) (.cse20 (mod (+ c_thread1Thread1of1ForFork1_~i~0 3) 4294967296)) (.cse4 (mod (+ c_thread1Thread1of1ForFork1_~i~0 2) 4294967296)) (.cse14 (mod (+ c_thread1Thread1of1ForFork1_~i~0 4) 4294967296)) (.cse1 (* (div (+ c_~x_2~0 c_~b~0) 4294967296) 4294967296)) (.cse5 (mod c_~b~0 4294967296))) (let ((.cse2 (<= .cse5 (mod (+ c_thread1Thread1of1ForFork1_~i~0 1) 4294967296))) (.cse12 (let ((.cse33 (* 4 c_~a~0))) (let ((.cse34 (+ (* (div (+ .cse33 c_~x_1~0) 4294967296) 4294967296) c_~x_2~0 c_~b~0))) (and (<= (+ .cse33 .cse1 c_~x_1~0) .cse34) (< .cse34 (+ .cse33 .cse1 c_~x_1~0 1)))))) (.cse9 (<= .cse5 .cse14)) (.cse17 (<= .cse5 .cse4)) (.cse16 (<= .cse5 .cse20)) (.cse7 (mod (+ c_thread1Thread1of1ForFork1_~i~0 6) 4294967296)) (.cse18 (mod (+ 5 c_thread1Thread1of1ForFork1_~i~0) 4294967296)) (.cse11 (<= .cse5 .cse24)) (.cse8 (let ((.cse32 (* 6 c_~a~0))) (let ((.cse31 (+ c_~x_2~0 (* (div (+ .cse32 c_~x_1~0) 4294967296) 4294967296) c_~b~0))) (and (< .cse31 (+ .cse32 .cse1 c_~x_1~0 1)) (<= (+ .cse32 .cse1 c_~x_1~0) .cse31))))) (.cse13 (* 2 c_~a~0)) (.cse15 (let ((.cse30 (* 3 c_~a~0))) (let ((.cse29 (+ c_~x_2~0 c_~b~0 (* (div (+ c_~x_1~0 .cse30) 4294967296) 4294967296)))) (and (< .cse29 (+ .cse1 c_~x_1~0 .cse30 1)) (<= (+ .cse1 c_~x_1~0 .cse30) .cse29))))) (.cse10 (mod (+ 5 |c_thread1Thread1of1ForFork1_#t~post1|) 4294967296)) (.cse25 (<= .cse5 (mod (+ 3 |c_thread1Thread1of1ForFork1_#t~post1|) 4294967296))) (.cse23 (mod (+ 6 |c_thread1Thread1of1ForFork1_#t~post1|) 4294967296)) (.cse21 (let ((.cse27 (* 5 c_~a~0))) (let ((.cse28 (+ (* (div (+ c_~x_1~0 .cse27) 4294967296) 4294967296) c_~x_2~0 c_~b~0))) (and (<= (+ .cse1 c_~x_1~0 .cse27) .cse28) (< .cse28 (+ .cse1 c_~x_1~0 .cse27 1)))))) (.cse3 (<= .cse26 0)) (.cse6 (< 1 .cse26))) (and (or (let ((.cse0 (+ c_~x_2~0 c_~b~0 (* (div (+ c_~x_1~0 c_~a~0) 4294967296) 4294967296)))) (and (< .cse0 (+ .cse1 c_~x_1~0 c_~a~0 1)) (<= (+ .cse1 c_~x_1~0 c_~a~0) .cse0))) .cse2 .cse3 (< .cse4 .cse5) .cse6) (or (<= .cse5 .cse7) (< (mod (+ 7 c_thread1Thread1of1ForFork1_~i~0) 4294967296) .cse5) .cse8 .cse3 .cse9 .cse6) (or (< .cse10 .cse5) .cse11 .cse12 .cse3 .cse6 (<= .cse5 (mod (+ 2 |c_thread1Thread1of1ForFork1_#t~post1|) 4294967296))) (< (mod (+ c_thread1Thread1of1ForFork1_~i~0 4294967295) 4294967296) .cse5) (<= .cse13 c_~x_1~0) (or (< .cse14 .cse5) .cse15 .cse2 .cse16 .cse3 .cse6) (= c_~x_2~0 0) (or .cse17 (< .cse18 .cse5) .cse12 .cse3 .cse9 .cse6) (or (let ((.cse19 (+ c_~x_2~0 (* (div (+ c_~x_1~0 .cse13) 4294967296) 4294967296) c_~b~0))) (and (< .cse19 (+ .cse1 c_~x_1~0 .cse13 1)) (<= (+ .cse1 c_~x_1~0 .cse13) .cse19))) .cse17 (< .cse20 .cse5) .cse3 .cse6) (or .cse21 .cse16 .cse3 .cse6 (< .cse7 .cse5) (<= .cse5 .cse18)) (or (let ((.cse22 (+ c_~x_2~0 c_~b~0 (* 4294967296 (div c_~x_1~0 4294967296))))) (and (<= (+ .cse1 c_~x_1~0) .cse22) (< .cse22 (+ .cse1 c_~x_1~0 1)))) .cse3 .cse6) (or (< (mod (+ 7 |c_thread1Thread1of1ForFork1_#t~post1|) 4294967296) .cse5) .cse11 .cse8 .cse3 .cse6 (<= .cse5 .cse23)) (<= (+ c_~x_1~0 2) (+ c_thread1Thread1of1ForFork1_~i~0 .cse13)) (or (< .cse24 .cse5) .cse25 .cse15 .cse3 .cse6 (<= .cse5 (mod (+ |c_thread1Thread1of1ForFork1_#t~post1| 1) 4294967296))) (or (<= .cse5 .cse10) .cse25 (< .cse23 .cse5) .cse21 .cse3 .cse6) (<= c_thread1Thread1of1ForFork1_~i~0 2)))) is different from false [2023-03-23 21:31:23,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-03-23 21:32:34,612 WARN L222 SmtUtils]: Spent 17.44s on a formula simplification. DAG size of input: 132 DAG size of output: 37 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-03-23 21:32:42,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-03-23 21:32:44,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-03-23 21:33:25,690 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 21:33:25,696 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 21:33:25,696 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 21:33:25,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-03-23 21:33:26,092 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 21:33:26,092 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 135 known predicates. [2023-03-23 21:33:26,094 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-03-23 21:33:26,095 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-03-23 21:33:26,095 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-03-23 21:33:26,098 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2023-03-23 21:33:26,100 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 21:33:26,101 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 21:33:26,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 09:33:26 BasicIcfg [2023-03-23 21:33:26,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 21:33:26,103 INFO L158 Benchmark]: Toolchain (without parser) took 568274.89ms. Allocated memory was 218.1MB in the beginning and 331.4MB in the end (delta: 113.2MB). Free memory was 166.4MB in the beginning and 270.6MB in the end (delta: -104.3MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. [2023-03-23 21:33:26,103 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 21:33:26,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.13ms. Allocated memory is still 218.1MB. Free memory was 166.4MB in the beginning and 155.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-03-23 21:33:26,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.27ms. Allocated memory is still 218.1MB. Free memory was 155.4MB in the beginning and 154.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-23 21:33:26,104 INFO L158 Benchmark]: Boogie Preprocessor took 18.99ms. Allocated memory is still 218.1MB. Free memory was 154.2MB in the beginning and 152.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-23 21:33:26,106 INFO L158 Benchmark]: RCFGBuilder took 329.01ms. Allocated memory is still 218.1MB. Free memory was 152.7MB in the beginning and 140.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-03-23 21:33:26,106 INFO L158 Benchmark]: TraceAbstraction took 567680.45ms. Allocated memory was 218.1MB in the beginning and 331.4MB in the end (delta: 113.2MB). Free memory was 140.2MB in the beginning and 270.6MB in the end (delta: -130.5MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 21:33:26,107 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 217.13ms. Allocated memory is still 218.1MB. Free memory was 166.4MB in the beginning and 155.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.27ms. Allocated memory is still 218.1MB. Free memory was 155.4MB in the beginning and 154.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.99ms. Allocated memory is still 218.1MB. Free memory was 154.2MB in the beginning and 152.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 329.01ms. Allocated memory is still 218.1MB. Free memory was 152.7MB in the beginning and 140.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 567680.45ms. Allocated memory was 218.1MB in the beginning and 331.4MB in the end (delta: 113.2MB). Free memory was 140.2MB in the beginning and 270.6MB in the end (delta: -130.5MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20650, independent: 11825, independent conditional: 362, independent unconditional: 11463, dependent: 8825, dependent conditional: 129, dependent unconditional: 8696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12116, independent: 11825, independent conditional: 362, independent unconditional: 11463, dependent: 291, dependent conditional: 0, dependent unconditional: 291, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12116, independent: 11825, independent conditional: 362, independent unconditional: 11463, dependent: 291, dependent conditional: 0, dependent unconditional: 291, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12116, independent: 11825, independent conditional: 0, independent unconditional: 11825, dependent: 291, dependent conditional: 0, dependent unconditional: 291, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12116, independent: 11825, independent conditional: 0, independent unconditional: 11825, dependent: 291, dependent conditional: 0, dependent unconditional: 291, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12116, independent: 11825, independent conditional: 0, independent unconditional: 11825, dependent: 291, dependent conditional: 0, dependent unconditional: 291, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1092, independent: 1066, independent conditional: 0, independent unconditional: 1066, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1092, independent: 1056, independent conditional: 0, independent unconditional: 1056, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 36, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, independent: 81, independent conditional: 0, independent unconditional: 81, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12116, independent: 10759, independent conditional: 0, independent unconditional: 10759, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 1092, unknown conditional: 0, unknown unconditional: 1092] , Statistics on independence cache: Total cache size (in pairs): 1092, Positive cache size: 1066, Positive conditional cache size: 0, Positive unconditional cache size: 1066, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 8534 - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 135 known predicates. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 135 known predicates. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 135 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 93 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 567.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 483.7s, 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: 175, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 81.5s InterpolantComputationTime, 711 NumberOfCodeBlocks, 711 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 999 ConstructedInterpolants, 6 QuantifiedInterpolants, 23020 SizeOfPredicates, 70 NumberOfNonLiveVariables, 676 ConjunctsInSsa, 173 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 0/579 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