./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5dad65ad Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f5c6e2b4939ff0e3b5a44ab7f8c3e5d18f7e9fd12beb8fad487ea501e8fa48b --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-dev-5dad65a-m [2024-10-22 12:53:44,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-22 12:53:44,436 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-22 12:53:44,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-22 12:53:44,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-22 12:53:44,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-22 12:53:44,465 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-22 12:53:44,465 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-22 12:53:44,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-22 12:53:44,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-22 12:53:44,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-22 12:53:44,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-22 12:53:44,469 INFO L153 SettingsManager]: * Use SBE=true [2024-10-22 12:53:44,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-22 12:53:44,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-22 12:53:44,470 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-22 12:53:44,470 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-22 12:53:44,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-22 12:53:44,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-22 12:53:44,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-22 12:53:44,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-22 12:53:44,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-22 12:53:44,476 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-22 12:53:44,476 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-22 12:53:44,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-22 12:53:44,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-22 12:53:44,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-22 12:53:44,477 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-22 12:53:44,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-22 12:53:44,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-22 12:53:44,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-22 12:53:44,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-22 12:53:44,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-22 12:53:44,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-22 12:53:44,478 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-22 12:53:44,478 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-22 12:53:44,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-22 12:53:44,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-22 12:53:44,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-22 12:53:44,479 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-22 12:53:44,479 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-22 12:53:44,481 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5c6e2b4939ff0e3b5a44ab7f8c3e5d18f7e9fd12beb8fad487ea501e8fa48b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2024-10-22 12:53:44,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-22 12:53:44,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-22 12:53:44,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-22 12:53:44,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-22 12:53:44,704 INFO L274 PluginConnector]: CDTParser initialized [2024-10-22 12:53:44,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c [2024-10-22 12:53:46,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-22 12:53:46,156 INFO L384 CDTParser]: Found 1 translation units. [2024-10-22 12:53:46,156 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c [2024-10-22 12:53:46,162 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4b5dfefba/3512691041de4851a5adb65d8def9660/FLAG92b109e43 [2024-10-22 12:53:46,576 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4b5dfefba/3512691041de4851a5adb65d8def9660 [2024-10-22 12:53:46,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-22 12:53:46,579 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-22 12:53:46,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-22 12:53:46,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-22 12:53:46,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-22 12:53:46,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:53:46" (1/1) ... [2024-10-22 12:53:46,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a4a840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:53:46, skipping insertion in model container [2024-10-22 12:53:46,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:53:46" (1/1) ... [2024-10-22 12:53:46,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-22 12:53:46,749 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c[2500,2513] [2024-10-22 12:53:46,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-22 12:53:46,761 INFO L200 MainTranslator]: Completed pre-run [2024-10-22 12:53:46,776 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c[2500,2513] [2024-10-22 12:53:46,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-22 12:53:46,791 INFO L204 MainTranslator]: Completed translation [2024-10-22 12:53:46,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:53:46 WrapperNode [2024-10-22 12:53:46,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-22 12:53:46,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-22 12:53:46,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-22 12:53:46,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-22 12:53:46,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:53:46" (1/1) ... [2024-10-22 12:53:46,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:53:46" (1/1) ... [2024-10-22 12:53:46,824 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 134 [2024-10-22 12:53:46,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-22 12:53:46,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-22 12:53:46,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-22 12:53:46,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-22 12:53:46,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:53:46" (1/1) ... [2024-10-22 12:53:46,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:53:46" (1/1) ... [2024-10-22 12:53:46,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:53:46" (1/1) ... [2024-10-22 12:53:46,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:53:46" (1/1) ... [2024-10-22 12:53:46,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:53:46" (1/1) ... [2024-10-22 12:53:46,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:53:46" (1/1) ... [2024-10-22 12:53:46,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:53:46" (1/1) ... [2024-10-22 12:53:46,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:53:46" (1/1) ... [2024-10-22 12:53:46,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-22 12:53:46,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-22 12:53:46,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-22 12:53:46,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-22 12:53:46,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:53:46" (1/1) ... [2024-10-22 12:53:46,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-22 12:53:46,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:53:46,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-22 12:53:46,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-22 12:53:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-22 12:53:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-22 12:53:46,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-22 12:53:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-22 12:53:46,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-22 12:53:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-22 12:53:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-22 12:53:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-22 12:53:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-22 12:53:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-22 12:53:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-22 12:53:46,953 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-22 12:53:47,054 INFO L238 CfgBuilder]: Building ICFG [2024-10-22 12:53:47,056 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-22 12:53:47,227 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-22 12:53:47,227 INFO L287 CfgBuilder]: Performing block encoding [2024-10-22 12:53:47,453 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-22 12:53:47,453 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-22 12:53:47,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:53:47 BoogieIcfgContainer [2024-10-22 12:53:47,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-22 12:53:47,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-22 12:53:47,456 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-22 12:53:47,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-22 12:53:47,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:53:46" (1/3) ... [2024-10-22 12:53:47,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6442ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:53:47, skipping insertion in model container [2024-10-22 12:53:47,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:53:46" (2/3) ... [2024-10-22 12:53:47,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6442ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:53:47, skipping insertion in model container [2024-10-22 12:53:47,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:53:47" (3/3) ... [2024-10-22 12:53:47,461 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.c [2024-10-22 12:53:47,473 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-22 12:53:47,473 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-22 12:53:47,474 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-22 12:53:47,522 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-22 12:53:47,559 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-22 12:53:47,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-22 12:53:47,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:53:47,563 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-22 12:53:47,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-22 12:53:47,598 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-22 12:53:47,612 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-22 12:53:47,618 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@6f4b5317, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-22 12:53:47,618 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-22 12:53:47,815 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:53:47,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:53:47,821 INFO L85 PathProgramCache]: Analyzing trace with hash 176020635, now seen corresponding path program 1 times [2024-10-22 12:53:47,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:53:47,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383884932] [2024-10-22 12:53:47,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:53:47,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:53:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:53:48,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:53:48,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:53:48,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383884932] [2024-10-22 12:53:48,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383884932] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 12:53:48,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-22 12:53:48,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-22 12:53:48,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554745180] [2024-10-22 12:53:48,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 12:53:48,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-22 12:53:48,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:53:48,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-22 12:53:48,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-22 12:53:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:53:48,181 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:53:48,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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) [2024-10-22 12:53:48,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:53:48,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:53:48,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-22 12:53:48,228 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:53:48,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:53:48,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1103723602, now seen corresponding path program 1 times [2024-10-22 12:53:48,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:53:48,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999783869] [2024-10-22 12:53:48,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:53:48,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:53:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:53:48,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:53:48,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:53:48,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999783869] [2024-10-22 12:53:48,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999783869] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:53:48,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299617878] [2024-10-22 12:53:48,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:53:48,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:53:48,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:53:48,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:53:48,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-22 12:53:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:53:48,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-22 12:53:48,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:53:48,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-22 12:53:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:53:48,882 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:53:49,147 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 12:53:49,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 37 [2024-10-22 12:53:49,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:53:49,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299617878] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:53:49,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:53:49,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 15 [2024-10-22 12:53:49,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545921248] [2024-10-22 12:53:49,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:53:49,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-22 12:53:49,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:53:49,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-22 12:53:49,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-10-22 12:53:49,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:53:49,301 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:53:49,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 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) [2024-10-22 12:53:49,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:53:49,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:53:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:53:49,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:53:49,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-22 12:53:49,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-22 12:53:49,692 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:53:49,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:53:49,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1692399723, now seen corresponding path program 1 times [2024-10-22 12:53:49,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:53:49,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489256727] [2024-10-22 12:53:49,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:53:49,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:53:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:53:50,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:53:50,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:53:50,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489256727] [2024-10-22 12:53:50,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489256727] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:53:50,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637584534] [2024-10-22 12:53:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:53:50,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:53:50,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:53:50,493 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:53:50,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-22 12:53:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:53:50,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-22 12:53:50,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:53:50,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2024-10-22 12:53:50,980 INFO L349 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2024-10-22 12:53:50,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 109 treesize of output 61 [2024-10-22 12:53:51,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:53:51,036 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:53:51,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 124 [2024-10-22 12:53:51,823 INFO L349 Elim1Store]: treesize reduction 5, result has 95.2 percent of original size [2024-10-22 12:53:51,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 452 treesize of output 369 [2024-10-22 12:53:57,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:53:57,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637584534] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:53:57,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:53:57,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 30 [2024-10-22 12:53:57,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244027032] [2024-10-22 12:53:57,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:53:57,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-10-22 12:53:57,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:53:57,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-10-22 12:53:57,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2024-10-22 12:53:57,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:53:57,275 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:53:57,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.5806451612903225) internal successors, (49), 30 states have internal predecessors, (49), 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) [2024-10-22 12:53:57,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:53:57,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:53:57,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:53:57,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:53:57,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:53:57,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:53:57,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-22 12:53:58,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:53:58,126 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:53:58,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:53:58,127 INFO L85 PathProgramCache]: Analyzing trace with hash 196277, now seen corresponding path program 2 times [2024-10-22 12:53:58,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:53:58,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011402270] [2024-10-22 12:53:58,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:53:58,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:53:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:53:58,504 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-22 12:53:58,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:53:58,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011402270] [2024-10-22 12:53:58,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011402270] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:53:58,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356998716] [2024-10-22 12:53:58,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 12:53:58,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:53:58,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:53:58,508 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:53:58,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-22 12:53:58,591 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 12:53:58,591 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:53:58,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-10-22 12:53:58,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:53:58,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2024-10-22 12:53:59,090 INFO L349 Elim1Store]: treesize reduction 63, result has 22.2 percent of original size [2024-10-22 12:53:59,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 191 treesize of output 90 [2024-10-22 12:53:59,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:53:59,175 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:54:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-22 12:54:01,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356998716] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:54:01,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:54:01,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 11] total 31 [2024-10-22 12:54:01,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299142259] [2024-10-22 12:54:01,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:54:01,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-10-22 12:54:01,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:54:01,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-10-22 12:54:01,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=769, Unknown=0, NotChecked=0, Total=930 [2024-10-22 12:54:01,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:54:01,228 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:54:01,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 31 states have internal predecessors, (52), 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) [2024-10-22 12:54:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:54:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:54:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:54:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:54:26,244 WARN L286 SmtUtils]: Spent 24.72s on a formula simplification. DAG size of input: 177 DAG size of output: 91 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-22 12:54:36,579 WARN L286 SmtUtils]: Spent 8.81s on a formula simplification. DAG size of input: 154 DAG size of output: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-22 12:55:03,549 WARN L286 SmtUtils]: Spent 17.99s on a formula simplification. DAG size of input: 162 DAG size of output: 143 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-22 12:55:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:55:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:55:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:55:11,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-22 12:55:11,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-22 12:55:11,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:55:11,885 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:55:11,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:55:11,886 INFO L85 PathProgramCache]: Analyzing trace with hash 231494765, now seen corresponding path program 3 times [2024-10-22 12:55:11,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:55:11,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720932370] [2024-10-22 12:55:11,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:55:11,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:55:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:55:12,176 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-22 12:55:12,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:55:12,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720932370] [2024-10-22 12:55:12,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720932370] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:55:12,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027622335] [2024-10-22 12:55:12,177 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 12:55:12,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:55:12,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:55:12,178 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:55:12,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-22 12:55:12,301 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-22 12:55:12,301 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:55:12,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-22 12:55:12,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:55:12,467 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-22 12:55:12,468 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:55:13,045 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-22 12:55:13,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027622335] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:55:13,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:55:13,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 12] total 29 [2024-10-22 12:55:13,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071278616] [2024-10-22 12:55:13,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:55:13,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-22 12:55:13,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:55:13,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-22 12:55:13,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-10-22 12:55:13,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:55:13,047 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:55:13,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 29 states have internal predecessors, (46), 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) [2024-10-22 12:55:13,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:55:13,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:55:13,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:55:13,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-22 12:55:13,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:55:20,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-22 12:55:20,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:55:20,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:55:20,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:55:20,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-22 12:55:20,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-22 12:55:20,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-22 12:55:20,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:55:20,883 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:55:20,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:55:20,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1132423440, now seen corresponding path program 4 times [2024-10-22 12:55:20,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:55:20,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276387058] [2024-10-22 12:55:20,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:55:20,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:55:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:55:33,165 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:55:33,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:55:33,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276387058] [2024-10-22 12:55:33,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276387058] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:55:33,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351128287] [2024-10-22 12:55:33,166 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-22 12:55:33,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:55:33,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:55:33,169 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:55:33,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-22 12:55:33,234 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-22 12:55:33,234 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:55:33,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-10-22 12:55:33,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:55:34,113 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 12:55:34,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 158 treesize of output 220 [2024-10-22 12:55:34,464 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:55:34,464 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:55:37,332 INFO L349 Elim1Store]: treesize reduction 30, result has 95.8 percent of original size [2024-10-22 12:55:37,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 24 new quantified variables, introduced 78 case distinctions, treesize of input 107 treesize of output 774 [2024-10-22 12:55:48,392 INFO L349 Elim1Store]: treesize reduction 35, result has 95.8 percent of original size [2024-10-22 12:55:48,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 26 new quantified variables, introduced 91 case distinctions, treesize of input 167 treesize of output 892 [2024-10-22 12:56:27,687 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-22 12:56:27,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351128287] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:56:27,687 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:56:27,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 14] total 47 [2024-10-22 12:56:27,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727286461] [2024-10-22 12:56:27,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:56:27,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-22 12:56:27,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:56:27,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-22 12:56:27,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=2084, Unknown=0, NotChecked=0, Total=2256 [2024-10-22 12:56:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:56:27,690 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:56:27,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 47 states have internal predecessors, (70), 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) [2024-10-22 12:56:27,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:56:27,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:56:27,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:56:27,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-22 12:56:27,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-22 12:56:27,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:56:31,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:56:31,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:56:31,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:56:31,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-22 12:56:31,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-22 12:56:31,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:56:31,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-22 12:56:31,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:56:31,385 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:56:31,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:56:31,385 INFO L85 PathProgramCache]: Analyzing trace with hash 2014390982, now seen corresponding path program 5 times [2024-10-22 12:56:31,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:56:31,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787379521] [2024-10-22 12:56:31,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:56:31,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:56:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 13:00:59,115 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 13:00:59,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 13:00:59,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787379521] [2024-10-22 13:00:59,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787379521] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 13:00:59,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510174282] [2024-10-22 13:00:59,116 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-22 13:00:59,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 13:00:59,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 13:00:59,117 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 13:00:59,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-22 13:00:59,576 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-10-22 13:00:59,576 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 13:00:59,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-10-22 13:00:59,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 13:01:01,408 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 13:01:01,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 216 treesize of output 354 [2024-10-22 13:01:03,784 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 13:01:03,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 13:01:08,387 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 13:01:08,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 32 new quantified variables, introduced 136 case distinctions, treesize of input 421 treesize of output 1358 [2024-10-22 13:02:36,903 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-22 13:02:36,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510174282] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 13:02:36,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 13:02:36,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 18] total 59 [2024-10-22 13:02:36,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826616001] [2024-10-22 13:02:36,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 13:02:36,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-10-22 13:02:36,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 13:02:36,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-10-22 13:02:36,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=3316, Unknown=0, NotChecked=0, Total=3540 [2024-10-22 13:02:36,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 13:02:36,910 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 13:02:36,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 59 states have internal predecessors, (79), 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) [2024-10-22 13:02:36,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 13:02:36,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 13:02:36,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 13:02:36,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-22 13:02:36,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-22 13:02:36,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-22 13:02:36,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 13:02:41,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 13:02:41,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 13:02:41,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 13:02:41,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-22 13:02:41,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-22 13:02:41,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-22 13:02:41,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-22 13:02:41,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-22 13:02:41,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-22 13:02:41,219 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 13:02:41,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 13:02:41,219 INFO L85 PathProgramCache]: Analyzing trace with hash 612765302, now seen corresponding path program 6 times [2024-10-22 13:02:41,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 13:02:41,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489873732] [2024-10-22 13:02:41,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 13:02:41,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 13:02:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 13:02:41,778 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-22 13:02:41,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 13:02:41,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489873732] [2024-10-22 13:02:41,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489873732] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 13:02:41,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664224797] [2024-10-22 13:02:41,779 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-22 13:02:41,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 13:02:41,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 13:02:41,780 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 13:02:41,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-22 13:02:42,715 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-10-22 13:02:42,715 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 13:02:42,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-10-22 13:02:42,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 13:02:43,183 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-22 13:02:43,183 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 13:02:44,682 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-22 13:02:44,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664224797] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 13:02:44,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 13:02:44,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 50 [2024-10-22 13:02:44,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552457193] [2024-10-22 13:02:44,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 13:02:44,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-22 13:02:44,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 13:02:44,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-22 13:02:44,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=2117, Unknown=0, NotChecked=0, Total=2450 [2024-10-22 13:02:44,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 13:02:44,685 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 13:02:44,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 1.3) internal successors, (65), 50 states have internal predecessors, (65), 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) [2024-10-22 13:02:44,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 13:02:44,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 13:02:44,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 13:02:44,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-22 13:02:44,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-22 13:02:44,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-22 13:02:44,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-10-22 13:02:44,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 13:03:01,279 WARN L286 SmtUtils]: Spent 16.11s on a formula simplification. DAG size of input: 83 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-22 13:03:14,368 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification. DAG size of input: 88 DAG size of output: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-22 13:03:16,391 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 4) 4294967296)) (.cse13 (mod |c_thread2Thread1of1ForFork0_~i~1#1| 4294967296)) (.cse5 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 2) 4294967296))) (let ((.cse1 (+ .cse5 2)) (.cse11 (< .cse13 (mod (+ 4294967295 c_~n~0) 4294967296))) (.cse6 (mod (+ 3 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse10 (mod c_~n~0 4294967296)) (.cse9 (+ 2 .cse2)) (.cse8 (mod (+ 6 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse12 (mod (+ 7 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse7 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 6) 4294967296)) (.cse3 (mod (+ |c_thread1Thread1of1ForFork1_~i~0#1| 4) 4294967296)) (.cse0 (mod (+ 5 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse4 (+ 2 .cse13))) (and (or (< .cse0 .cse1) (< .cse2 .cse3)) (or (< .cse3 .cse4) (< .cse5 .cse6)) (or (< .cse7 .cse0) (< .cse8 .cse9)) (or (< .cse2 .cse0) (< .cse8 .cse1)) (or (< .cse10 (+ .cse6 1)) .cse11 (< .cse3 .cse10)) (or .cse11 (< .cse6 .cse10) (< .cse10 (+ (mod (+ 2 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296) 1))) (or (< .cse12 .cse9) (< .cse7 .cse8)) (or (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 8) 4294967296) .cse12) (< (mod (+ |c_thread1Thread1of1ForFork1_~i~0#1| 8) 4294967296) (+ 2 .cse7))) (or (< .cse5 .cse3) (< .cse0 .cse4))))) is different from false [2024-10-22 13:03:18,618 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse12 (mod |c_thread2Thread1of1ForFork0_~i~1#1| 4294967296)) (.cse13 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 8) 4294967296))) (let ((.cse7 (mod (+ 6 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse11 (mod (+ 7 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse3 (mod (+ 3 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse10 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 10) 4294967296)) (.cse8 (mod (+ |c_thread1Thread1of1ForFork1_~i~0#1| 8) 4294967296)) (.cse9 (+ 2 .cse13)) (.cse5 (mod (+ |c_thread1Thread1of1ForFork1_~i~0#1| 1) 4294967296)) (.cse14 (mod (+ 2 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse4 (mod c_~n~0 4294967296)) (.cse2 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 2) 4294967296)) (.cse0 (mod (+ |c_thread1Thread1of1ForFork1_~i~0#1| 4) 4294967296)) (.cse6 (mod (+ 5 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse1 (+ 2 .cse12))) (and (or (< .cse0 .cse1) (< .cse2 .cse3)) (or (< .cse4 (+ (mod |c_thread1Thread1of1ForFork1_~i~0#1| 4294967296) 1)) (< .cse5 .cse4)) (or (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 4) 4294967296) .cse6) (< .cse7 (+ .cse2 2))) (or (< .cse8 .cse9) (< .cse10 .cse11)) (or (< .cse4 (+ .cse3 1)) (< .cse12 (mod (+ 4294967295 c_~n~0) 4294967296)) (< .cse0 .cse4)) (or (< .cse13 .cse7) (< .cse11 (+ 2 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 6) 4294967296)))) (or (< .cse3 .cse4) (< .cse4 (+ .cse14 1))) (or (< .cse10 .cse8) (< (mod (+ 9 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296) .cse9)) (or (< .cse4 (+ .cse5 1)) (< .cse14 .cse4)) (or (< .cse2 .cse0) (< .cse6 .cse1))))) is different from false [2024-10-22 13:05:11,469 WARN L286 SmtUtils]: Spent 1.57m on a formula simplification that was a NOOP. DAG size: 80 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-22 13:06:28,898 WARN L286 SmtUtils]: Spent 47.51s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-22 13:06:30,916 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse12 (mod |c_thread2Thread1of1ForFork0_~i~1#1| 4294967296)) (.cse6 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 2) 4294967296))) (let ((.cse1 (+ .cse6 2)) (.cse4 (mod (+ |c_thread1Thread1of1ForFork1_~i~0#1| 8) 4294967296)) (.cse11 (< .cse12 (mod (+ 4294967295 c_~n~0) 4294967296))) (.cse7 (mod (+ 3 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse10 (mod c_~n~0 4294967296)) (.cse9 (mod (+ 7 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse2 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 4) 4294967296)) (.cse8 (mod (+ 6 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse3 (mod (+ |c_thread1Thread1of1ForFork1_~i~0#1| 4) 4294967296)) (.cse0 (mod (+ 5 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse5 (+ 2 .cse12))) (and (or (< .cse0 .cse1) (< .cse2 .cse3)) (or (< 10 .cse4) (< (mod (+ 9 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296) 10)) (or (< .cse3 .cse5) (< .cse6 .cse7)) (or (< .cse2 .cse0) (< .cse8 .cse1)) (or (< .cse4 (+ 2 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 8) 4294967296))) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 10) 4294967296) .cse9)) (or (< .cse10 (+ .cse7 1)) .cse11 (< .cse3 .cse10)) (or .cse11 (< .cse7 .cse10) (< .cse10 (+ (mod (+ 2 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296) 1))) (or (< .cse9 (+ 2 .cse2)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 6) 4294967296) .cse8)) (or (< .cse6 .cse3) (< .cse0 .cse5))))) is different from false [2024-10-22 13:06:33,024 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse8 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 8) 4294967296))) (let ((.cse3 (mod (+ 7 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse5 (mod (+ 3 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse2 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 10) 4294967296)) (.cse0 (mod (+ |c_thread1Thread1of1ForFork1_~i~0#1| 8) 4294967296)) (.cse1 (+ 2 .cse8)) (.cse9 (mod (+ 2 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse4 (mod c_~n~0 4294967296)) (.cse7 (mod (+ |c_thread1Thread1of1ForFork1_~i~0#1| 4) 4294967296)) (.cse6 (mod |c_thread2Thread1of1ForFork0_~i~1#1| 4294967296))) (and (or (< .cse0 .cse1) (< .cse2 .cse3)) (or (< .cse4 (+ .cse5 1)) (< .cse6 (mod (+ 4294967295 c_~n~0) 4294967296)) (< .cse7 .cse4)) (or (< .cse8 (mod (+ 6 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (< .cse3 (+ 2 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 6) 4294967296)))) (or (< .cse5 .cse4) (< .cse4 (+ .cse9 1))) (or (< .cse2 .cse0) (< (mod (+ 9 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296) .cse1)) (or (< .cse4 (+ (mod (+ |c_thread1Thread1of1ForFork1_~i~0#1| 1) 4294967296) 1)) (< .cse9 .cse4)) (or (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 2) 4294967296) .cse7) (< (mod (+ 5 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296) (+ 2 .cse6)))))) is different from false Killed by 15