./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca 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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2520d7c-m [2024-07-17 10:12:00,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-17 10:12:00,615 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-17 10:12:00,636 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-17 10:12:00,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-17 10:12:00,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-17 10:12:00,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-17 10:12:00,671 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-17 10:12:00,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-17 10:12:00,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-17 10:12:00,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-17 10:12:00,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-17 10:12:00,676 INFO L153 SettingsManager]: * Use SBE=true [2024-07-17 10:12:00,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-17 10:12:00,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-17 10:12:00,677 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-17 10:12:00,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-17 10:12:00,678 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-17 10:12:00,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-17 10:12:00,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-17 10:12:00,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-17 10:12:00,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-17 10:12:00,679 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-17 10:12:00,679 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-17 10:12:00,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-17 10:12:00,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-17 10:12:00,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-17 10:12:00,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-17 10:12:00,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-17 10:12:00,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-17 10:12:00,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 10:12:00,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-17 10:12:00,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-17 10:12:00,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-17 10:12:00,682 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-17 10:12:00,682 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-17 10:12:00,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-17 10:12:00,683 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-17 10:12:00,683 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-17 10:12:00,683 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-17 10:12:00,683 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-17 10:12:00,683 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-17 10:12:00,684 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5c6e2b4939ff0e3b5a44ab7f8c3e5d18f7e9fd12beb8fad487ea501e8fa48b [2024-07-17 10:12:00,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-17 10:12:00,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-17 10:12:00,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-17 10:12:00,935 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-17 10:12:00,935 INFO L274 PluginConnector]: CDTParser initialized [2024-07-17 10:12:00,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c [2024-07-17 10:12:02,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-17 10:12:02,191 INFO L384 CDTParser]: Found 1 translation units. [2024-07-17 10:12:02,192 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c [2024-07-17 10:12:02,198 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/825474e0c/ee9fd2476ccd4199bca1a3653d4b5058/FLAGb71f524b3 [2024-07-17 10:12:02,207 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/825474e0c/ee9fd2476ccd4199bca1a3653d4b5058 [2024-07-17 10:12:02,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-17 10:12:02,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-17 10:12:02,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-17 10:12:02,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-17 10:12:02,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-17 10:12:02,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:12:02" (1/1) ... [2024-07-17 10:12:02,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3de5b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:12:02, skipping insertion in model container [2024-07-17 10:12:02,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:12:02" (1/1) ... [2024-07-17 10:12:02,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-17 10:12:02,361 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/unroll-cond-2.wvr.c[2500,2513] [2024-07-17 10:12:02,368 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 10:12:02,374 INFO L202 MainTranslator]: Completed pre-run [2024-07-17 10:12:02,389 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/unroll-cond-2.wvr.c[2500,2513] [2024-07-17 10:12:02,391 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 10:12:02,404 INFO L206 MainTranslator]: Completed translation [2024-07-17 10:12:02,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:12:02 WrapperNode [2024-07-17 10:12:02,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-17 10:12:02,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-17 10:12:02,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-17 10:12:02,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-17 10:12:02,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:12:02" (1/1) ... [2024-07-17 10:12:02,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:12:02" (1/1) ... [2024-07-17 10:12:02,433 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 134 [2024-07-17 10:12:02,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-17 10:12:02,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-17 10:12:02,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-17 10:12:02,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-17 10:12:02,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:12:02" (1/1) ... [2024-07-17 10:12:02,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:12:02" (1/1) ... [2024-07-17 10:12:02,452 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:12:02" (1/1) ... [2024-07-17 10:12:02,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:12:02" (1/1) ... [2024-07-17 10:12:02,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:12:02" (1/1) ... [2024-07-17 10:12:02,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:12:02" (1/1) ... [2024-07-17 10:12:02,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:12:02" (1/1) ... [2024-07-17 10:12:02,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:12:02" (1/1) ... [2024-07-17 10:12:02,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-17 10:12:02,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-17 10:12:02,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-17 10:12:02,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-17 10:12:02,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:12:02" (1/1) ... [2024-07-17 10:12:02,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 10:12:02,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 10:12:02,507 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) [2024-07-17 10:12:02,527 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 [2024-07-17 10:12:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-17 10:12:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-17 10:12:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-17 10:12:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-17 10:12:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-17 10:12:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-17 10:12:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-07-17 10:12:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-07-17 10:12:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-17 10:12:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-17 10:12:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-07-17 10:12:02,555 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-17 10:12:02,651 INFO L244 CfgBuilder]: Building ICFG [2024-07-17 10:12:02,653 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-17 10:12:02,853 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-17 10:12:02,853 INFO L293 CfgBuilder]: Performing block encoding [2024-07-17 10:12:03,062 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-17 10:12:03,067 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-07-17 10:12:03,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:12:03 BoogieIcfgContainer [2024-07-17 10:12:03,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-17 10:12:03,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-17 10:12:03,070 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-17 10:12:03,072 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-17 10:12:03,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:12:02" (1/3) ... [2024-07-17 10:12:03,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bcd7d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:12:03, skipping insertion in model container [2024-07-17 10:12:03,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:12:02" (2/3) ... [2024-07-17 10:12:03,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bcd7d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:12:03, skipping insertion in model container [2024-07-17 10:12:03,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:12:03" (3/3) ... [2024-07-17 10:12:03,078 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.c [2024-07-17 10:12:03,085 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-07-17 10:12:03,093 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-17 10:12:03,094 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-17 10:12:03,094 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-17 10:12:03,146 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-07-17 10:12:03,181 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 10:12:03,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 10:12:03,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 10:12:03,183 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) [2024-07-17 10:12:03,184 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 [2024-07-17 10:12:03,221 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 10:12:03,231 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-17 10:12:03,239 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=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;@57ba2f57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 10:12:03,240 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-07-17 10:12:03,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-17 10:12:03,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 10:12:03,317 INFO L85 PathProgramCache]: Analyzing trace with hash 176020635, now seen corresponding path program 1 times [2024-07-17 10:12:03,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 10:12:03,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388583775] [2024-07-17 10:12:03,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 10:12:03,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 10:12:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 10:12:03,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-17 10:12:03,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 10:12:03,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388583775] [2024-07-17 10:12:03,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388583775] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 10:12:03,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 10:12:03,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-17 10:12:03,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731197985] [2024-07-17 10:12:03,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 10:12:03,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 10:12:03,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 10:12:03,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 10:12:03,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 10:12:03,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 10:12:03,728 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 10:12:03,728 INFO L496 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) [2024-07-17 10:12:03,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 10:12:03,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 10:12:03,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-17 10:12:03,765 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-17 10:12:03,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 10:12:03,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1103723602, now seen corresponding path program 1 times [2024-07-17 10:12:03,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 10:12:03,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038344303] [2024-07-17 10:12:03,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 10:12:03,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 10:12:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 10:12:04,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-17 10:12:04,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 10:12:04,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038344303] [2024-07-17 10:12:04,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038344303] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-17 10:12:04,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282009145] [2024-07-17 10:12:04,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 10:12:04,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 10:12:04,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 10:12:04,301 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) [2024-07-17 10:12:04,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-17 10:12:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 10:12:04,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2024-07-17 10:12:04,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-17 10:12:04,551 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 [2024-07-17 10:12:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-17 10:12:04,560 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-17 10:12:04,708 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-17 10:12:04,709 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 [2024-07-17 10:12:04,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-17 10:12:04,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282009145] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-17 10:12:04,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-17 10:12:04,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 15 [2024-07-17 10:12:04,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47712078] [2024-07-17 10:12:04,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-17 10:12:04,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-07-17 10:12:04,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 10:12:04,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-07-17 10:12:04,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-07-17 10:12:04,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 10:12:04,853 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 10:12:04,853 INFO L496 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) [2024-07-17 10:12:04,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 10:12:04,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 10:12:05,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 10:12:05,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-17 10:12:05,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-07-17 10:12:05,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-07-17 10:12:05,273 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-17 10:12:05,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 10:12:05,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1692399723, now seen corresponding path program 1 times [2024-07-17 10:12:05,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 10:12:05,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157908845] [2024-07-17 10:12:05,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 10:12:05,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 10:12:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 10:12:06,032 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 10:12:06,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 10:12:06,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157908845] [2024-07-17 10:12:06,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157908845] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-17 10:12:06,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643278232] [2024-07-17 10:12:06,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 10:12:06,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 10:12:06,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 10:12:06,034 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) [2024-07-17 10:12:06,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-07-17 10:12:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 10:12:06,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 42 conjunts are in the unsatisfiable core [2024-07-17 10:12:06,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-17 10:12:06,143 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 [2024-07-17 10:12:06,470 INFO L349 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2024-07-17 10:12:06,471 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 [2024-07-17 10:12:06,533 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 10:12:06,534 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-17 10:12:07,124 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 102 treesize of output 90 [2024-07-17 10:12:07,224 INFO L349 Elim1Store]: treesize reduction 5, result has 95.2 percent of original size [2024-07-17 10:12:07,224 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 406 treesize of output 335 [2024-07-17 10:12:09,794 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 10:12:09,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643278232] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-17 10:12:09,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-17 10:12:09,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 30 [2024-07-17 10:12:09,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52448791] [2024-07-17 10:12:09,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-17 10:12:09,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-07-17 10:12:09,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 10:12:09,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-07-17 10:12:09,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=738, Unknown=0, NotChecked=0, Total=930 [2024-07-17 10:12:09,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 10:12:09,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 10:12:09,797 INFO L496 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) [2024-07-17 10:12:09,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 10:12:09,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-17 10:12:09,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 10:12:10,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 10:12:10,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-17 10:12:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-17 10:12:10,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-07-17 10:12:10,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 10:12:10,432 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-17 10:12:10,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 10:12:10,433 INFO L85 PathProgramCache]: Analyzing trace with hash 196277, now seen corresponding path program 2 times [2024-07-17 10:12:10,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 10:12:10,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417450957] [2024-07-17 10:12:10,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 10:12:10,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 10:12:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 10:12:10,719 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-17 10:12:10,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 10:12:10,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417450957] [2024-07-17 10:12:10,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417450957] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-17 10:12:10,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512205048] [2024-07-17 10:12:10,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-17 10:12:10,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 10:12:10,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 10:12:10,722 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) [2024-07-17 10:12:10,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-07-17 10:12:10,825 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-17 10:12:10,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-17 10:12:10,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 15 conjunts are in the unsatisfiable core [2024-07-17 10:12:10,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-17 10:12:10,954 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-17 10:12:10,955 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-17 10:12:11,185 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-17 10:12:11,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512205048] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-17 10:12:11,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-17 10:12:11,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 21 [2024-07-17 10:12:11,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600510600] [2024-07-17 10:12:11,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-17 10:12:11,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-07-17 10:12:11,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 10:12:11,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-07-17 10:12:11,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2024-07-17 10:12:11,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 10:12:11,187 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 10:12:11,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 21 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) [2024-07-17 10:12:11,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 10:12:11,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-17 10:12:11,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-17 10:12:11,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 10:12:14,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:12:16,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:12:18,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:12:19,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 10:12:19,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-17 10:12:19,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-17 10:12:19,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-07-17 10:12:19,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-07-17 10:12:19,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 10:12:19,512 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-17 10:12:19,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 10:12:19,513 INFO L85 PathProgramCache]: Analyzing trace with hash -511996649, now seen corresponding path program 3 times [2024-07-17 10:12:19,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 10:12:19,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544420266] [2024-07-17 10:12:19,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 10:12:19,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 10:12:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 10:12:24,027 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-17 10:12:24,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 10:12:24,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544420266] [2024-07-17 10:12:24,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544420266] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-17 10:12:24,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251105047] [2024-07-17 10:12:24,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-17 10:12:24,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 10:12:24,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 10:12:24,029 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) [2024-07-17 10:12:24,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-07-17 10:12:24,190 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-07-17 10:12:24,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-17 10:12:24,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 36 conjunts are in the unsatisfiable core [2024-07-17 10:12:24,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-17 10:12:24,593 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 7 proven. 49 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-17 10:12:24,594 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-17 10:12:26,593 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-17 10:12:26,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251105047] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-17 10:12:26,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-17 10:12:26,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 19] total 50 [2024-07-17 10:12:26,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80018124] [2024-07-17 10:12:26,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-17 10:12:26,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-07-17 10:12:26,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 10:12:26,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-07-17 10:12:26,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=388, Invalid=2062, Unknown=0, NotChecked=0, Total=2450 [2024-07-17 10:12:26,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 10:12:26,597 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 10:12:26,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 1.36) internal successors, (68), 50 states have internal predecessors, (68), 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) [2024-07-17 10:12:26,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 10:12:26,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-17 10:12:26,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-17 10:12:26,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-07-17 10:12:26,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 10:15:47,705 WARN L293 SmtUtils]: Spent 2.58m on a formula simplification. DAG size of input: 92 DAG size of output: 93 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-07-17 10:19:51,777 WARN L293 SmtUtils]: Spent 3.02m on a formula simplification that was a NOOP. DAG size: 104 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-07-17 10:20:01,786 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 12) 4294967296)) (.cse15 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 2) 4294967296)) (.cse12 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 4) 4294967296)) (.cse2 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 8) 4294967296)) (.cse18 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 6) 4294967296)) (.cse8 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 10) 4294967296))) (let ((.cse5 (+ .cse8 2)) (.cse1 (+ 2 .cse18)) (.cse0 (mod (+ |c_thread1Thread1of1ForFork1_~i~0#1| 4) 4294967296)) (.cse9 (+ 2 .cse2)) (.cse3 (mod (+ 3 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse17 (+ 2 .cse12)) (.cse10 (mod (+ 2 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse19 (mod (+ 7 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse14 (mod |c_thread1Thread1of1ForFork1_~i~0#1| 4294967296)) (.cse13 (mod (+ |c_thread1Thread1of1ForFork1_~i~0#1| 1) 4294967296)) (.cse11 (+ .cse15 2)) (.cse20 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 14) 4294967296)) (.cse4 (mod (+ 5 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse7 (mod (+ 6 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse21 (+ .cse6 2))) (and (or (< .cse0 .cse1) (< .cse2 .cse3)) (or (< .cse4 .cse5) (< .cse6 .cse0)) (or (< .cse6 .cse4) (< .cse7 .cse5)) (or (< .cse8 .cse0) (< .cse4 .cse9)) (or (< .cse10 .cse11) (< .cse12 .cse13)) (let ((.cse16 (mod (+ 4294967295 c_~n~0) 4294967296))) (or (< .cse14 (mod c_~n~0 4294967296)) (< .cse15 .cse16) (< .cse16 (+ (mod |c_thread2Thread1of1ForFork0_~i~1#1| 4294967296) 1)))) (or (< .cse2 .cse10) (< .cse3 .cse1)) (or (< .cse10 .cse17) (< .cse18 .cse13)) (or (< .cse0 .cse9) (< .cse8 .cse3)) (or (< .cse3 .cse17) (< .cse18 .cse10)) (or (< .cse19 14) (< 14 .cse7)) (or (< .cse20 .cse7) (< .cse19 .cse21)) (or (< .cse12 .cse14) (< .cse13 .cse11)) (or (< .cse20 .cse4) (< .cse7 .cse21))))) is different from false [2024-07-17 10:20:34,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:20:36,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:20:45,925 WARN L293 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 142 DAG size of output: 80 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-07-17 10:21:03,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:21:05,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:21:35,161 WARN L293 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 140 DAG size of output: 36 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-07-17 10:21:37,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:21:49,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:22:04,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:22:06,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:22:08,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:22:10,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:22:21,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:22:34,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:22:36,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:22:38,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:22:40,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:22:55,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-07-17 10:25:45,608 WARN L293 SmtUtils]: Spent 29.11s on a formula simplification. DAG size of input: 89 DAG size of output: 79 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Killed by 15