./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dfe144c0 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/test-hard1.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 34f393fd72a97393a0a39d407b9330aa7c1c7e210ad76310ea88c9427f882106 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-dfe144c-m [2024-07-20 20:00:10,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-20 20:00:10,205 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-20 20:00:10,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-20 20:00:10,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-20 20:00:10,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-20 20:00:10,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-20 20:00:10,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-20 20:00:10,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-20 20:00:10,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-20 20:00:10,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-20 20:00:10,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-20 20:00:10,230 INFO L153 SettingsManager]: * Use SBE=true [2024-07-20 20:00:10,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-20 20:00:10,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-20 20:00:10,231 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-20 20:00:10,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-20 20:00:10,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-20 20:00:10,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-20 20:00:10,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-20 20:00:10,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-20 20:00:10,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-20 20:00:10,237 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-20 20:00:10,237 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-20 20:00:10,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-20 20:00:10,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-20 20:00:10,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-20 20:00:10,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-20 20:00:10,238 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-20 20:00:10,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-20 20:00:10,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-20 20:00:10,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-20 20:00:10,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-20 20:00:10,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-20 20:00:10,240 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-20 20:00:10,240 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-20 20:00:10,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-20 20:00:10,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-20 20:00:10,241 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-20 20:00:10,241 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-20 20:00:10,242 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-20 20:00:10,246 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-20 20:00:10,247 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34f393fd72a97393a0a39d407b9330aa7c1c7e210ad76310ea88c9427f882106 [2024-07-20 20:00:10,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-20 20:00:10,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-20 20:00:10,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-20 20:00:10,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-20 20:00:10,498 INFO L274 PluginConnector]: CDTParser initialized [2024-07-20 20:00:10,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-07-20 20:00:11,651 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-20 20:00:11,830 INFO L384 CDTParser]: Found 1 translation units. [2024-07-20 20:00:11,830 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-07-20 20:00:11,844 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ea66ce908/3b8114113b51405ba22f6db6aa5fa356/FLAG5ed8e30dc [2024-07-20 20:00:11,863 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ea66ce908/3b8114113b51405ba22f6db6aa5fa356 [2024-07-20 20:00:11,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-20 20:00:11,867 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-20 20:00:11,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-20 20:00:11,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-20 20:00:11,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-20 20:00:11,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 08:00:11" (1/1) ... [2024-07-20 20:00:11,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc920d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:00:11, skipping insertion in model container [2024-07-20 20:00:11,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 08:00:11" (1/1) ... [2024-07-20 20:00:11,904 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-20 20:00:12,123 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/test-hard1.wvr.c[3425,3438] [2024-07-20 20:00:12,127 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-20 20:00:12,136 INFO L202 MainTranslator]: Completed pre-run [2024-07-20 20:00:12,155 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/test-hard1.wvr.c[3425,3438] [2024-07-20 20:00:12,156 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-20 20:00:12,172 INFO L206 MainTranslator]: Completed translation [2024-07-20 20:00:12,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:00:12 WrapperNode [2024-07-20 20:00:12,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-20 20:00:12,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-20 20:00:12,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-20 20:00:12,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-20 20:00:12,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:00:12" (1/1) ... [2024-07-20 20:00:12,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:00:12" (1/1) ... [2024-07-20 20:00:12,224 INFO L138 Inliner]: procedures = 23, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-07-20 20:00:12,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-20 20:00:12,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-20 20:00:12,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-20 20:00:12,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-20 20:00:12,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:00:12" (1/1) ... [2024-07-20 20:00:12,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:00:12" (1/1) ... [2024-07-20 20:00:12,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:00:12" (1/1) ... [2024-07-20 20:00:12,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:00:12" (1/1) ... [2024-07-20 20:00:12,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:00:12" (1/1) ... [2024-07-20 20:00:12,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:00:12" (1/1) ... [2024-07-20 20:00:12,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:00:12" (1/1) ... [2024-07-20 20:00:12,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:00:12" (1/1) ... [2024-07-20 20:00:12,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-20 20:00:12,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-20 20:00:12,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-20 20:00:12,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-20 20:00:12,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:00:12" (1/1) ... [2024-07-20 20:00:12,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-20 20:00:12,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 20:00:12,296 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) [2024-07-20 20:00:12,304 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 [2024-07-20 20:00:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-20 20:00:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-20 20:00:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-20 20:00:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-20 20:00:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-20 20:00:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-07-20 20:00:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-07-20 20:00:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-07-20 20:00:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-07-20 20:00:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-20 20:00:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-20 20:00:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-20 20:00:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-20 20:00:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-20 20:00:12,344 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-20 20:00:12,417 INFO L244 CfgBuilder]: Building ICFG [2024-07-20 20:00:12,419 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-20 20:00:12,648 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-20 20:00:12,648 INFO L293 CfgBuilder]: Performing block encoding [2024-07-20 20:00:12,871 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-20 20:00:12,879 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-07-20 20:00:12,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 08:00:12 BoogieIcfgContainer [2024-07-20 20:00:12,880 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-20 20:00:12,882 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-20 20:00:12,883 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-20 20:00:12,886 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-20 20:00:12,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 08:00:11" (1/3) ... [2024-07-20 20:00:12,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5794ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 08:00:12, skipping insertion in model container [2024-07-20 20:00:12,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:00:12" (2/3) ... [2024-07-20 20:00:12,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5794ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 08:00:12, skipping insertion in model container [2024-07-20 20:00:12,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 08:00:12" (3/3) ... [2024-07-20 20:00:12,890 INFO L112 eAbstractionObserver]: Analyzing ICFG test-hard1.wvr.c [2024-07-20 20:00:12,900 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-07-20 20:00:12,909 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-20 20:00:12,910 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-20 20:00:12,910 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-20 20:00:12,984 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-07-20 20:00:13,035 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-20 20:00:13,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-20 20:00:13,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 20:00:13,041 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) [2024-07-20 20:00:13,042 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 [2024-07-20 20:00:13,085 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-20 20:00:13,097 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-20 20:00:13,103 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;@7faf25a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-20 20:00:13,103 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-07-20 20:00:14,603 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 20:00:14,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 20:00:14,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1752138499, now seen corresponding path program 1 times [2024-07-20 20:00:14,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 20:00:14,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296889052] [2024-07-20 20:00:14,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 20:00:14,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 20:00:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 20:00:15,686 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-07-20 20:00:15,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 20:00:15,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296889052] [2024-07-20 20:00:15,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296889052] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-20 20:00:15,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-20 20:00:15,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-20 20:00:15,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674925089] [2024-07-20 20:00:15,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-20 20:00:15,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-20 20:00:15,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 20:00:15,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-20 20:00:15,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-07-20 20:00:15,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 20:00:15,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 20:00:15,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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) [2024-07-20 20:00:15,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 20:00:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:16,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-20 20:00:16,599 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 20:00:16,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 20:00:16,600 INFO L85 PathProgramCache]: Analyzing trace with hash -506789776, now seen corresponding path program 2 times [2024-07-20 20:00:16,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 20:00:16,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844877433] [2024-07-20 20:00:16,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 20:00:16,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 20:00:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 20:00:19,549 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 111 proven. 94 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-07-20 20:00:19,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 20:00:19,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844877433] [2024-07-20 20:00:19,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844877433] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 20:00:19,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6512762] [2024-07-20 20:00:19,551 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-20 20:00:19,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 20:00:19,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 20:00:19,589 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) [2024-07-20 20:00:19,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-20 20:00:19,740 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-20 20:00:19,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 20:00:19,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 6 conjunts are in the unsatisfiable core [2024-07-20 20:00:19,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 20:00:19,882 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-07-20 20:00:19,882 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-20 20:00:19,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6512762] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-20 20:00:19,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-20 20:00:19,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [18] total 22 [2024-07-20 20:00:19,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021493033] [2024-07-20 20:00:19,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-20 20:00:19,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-20 20:00:19,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 20:00:19,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-20 20:00:19,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2024-07-20 20:00:19,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 20:00:19,887 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 20:00:19,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2024-07-20 20:00:19,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:19,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 20:00:21,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:21,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:21,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-07-20 20:00:21,319 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 [2024-07-20 20:00:21,320 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 20:00:21,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 20:00:21,321 INFO L85 PathProgramCache]: Analyzing trace with hash 564381910, now seen corresponding path program 3 times [2024-07-20 20:00:21,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 20:00:21,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026221746] [2024-07-20 20:00:21,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 20:00:21,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 20:00:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 20:00:21,911 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-07-20 20:00:21,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 20:00:21,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026221746] [2024-07-20 20:00:21,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026221746] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 20:00:21,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748885848] [2024-07-20 20:00:21,912 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-20 20:00:21,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 20:00:21,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 20:00:21,913 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) [2024-07-20 20:00:21,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-07-20 20:00:22,022 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-07-20 20:00:22,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 20:00:22,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 7 conjunts are in the unsatisfiable core [2024-07-20 20:00:22,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 20:00:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-07-20 20:00:22,158 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 20:00:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-07-20 20:00:22,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748885848] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 20:00:22,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 20:00:22,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-07-20 20:00:22,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193523596] [2024-07-20 20:00:22,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 20:00:22,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-07-20 20:00:22,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 20:00:22,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-07-20 20:00:22,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-07-20 20:00:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 20:00:22,279 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 20:00:22,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 13 states have internal predecessors, (80), 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) [2024-07-20 20:00:22,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:22,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:22,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 20:00:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:23,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-20 20:00:23,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-07-20 20:00:23,728 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 [2024-07-20 20:00:23,728 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 20:00:23,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 20:00:23,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1323657417, now seen corresponding path program 4 times [2024-07-20 20:00:23,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 20:00:23,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935204177] [2024-07-20 20:00:23,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 20:00:23,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 20:00:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 20:00:30,004 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 438 proven. 298 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-07-20 20:00:30,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 20:00:30,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935204177] [2024-07-20 20:00:30,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935204177] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 20:00:30,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327817847] [2024-07-20 20:00:30,006 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-20 20:00:30,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 20:00:30,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 20:00:30,008 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) [2024-07-20 20:00:30,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-07-20 20:00:30,164 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-20 20:00:30,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 20:00:30,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 6 conjunts are in the unsatisfiable core [2024-07-20 20:00:30,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 20:00:30,293 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-07-20 20:00:30,293 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-20 20:00:30,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327817847] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-20 20:00:30,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-20 20:00:30,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [24] total 28 [2024-07-20 20:00:30,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960408488] [2024-07-20 20:00:30,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-20 20:00:30,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-20 20:00:30,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 20:00:30,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-20 20:00:30,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2024-07-20 20:00:30,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 20:00:30,297 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 20:00:30,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-07-20 20:00:30,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:30,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:30,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-20 20:00:30,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 20:00:31,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:31,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:31,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-20 20:00:31,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:31,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-07-20 20:00:31,499 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 [2024-07-20 20:00:31,500 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 20:00:31,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 20:00:31,501 INFO L85 PathProgramCache]: Analyzing trace with hash 589879332, now seen corresponding path program 5 times [2024-07-20 20:00:31,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 20:00:31,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756142176] [2024-07-20 20:00:31,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 20:00:31,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 20:00:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 20:00:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 967 proven. 4 refuted. 0 times theorem prover too weak. 1591 trivial. 0 not checked. [2024-07-20 20:00:32,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 20:00:32,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756142176] [2024-07-20 20:00:32,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756142176] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 20:00:32,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125810661] [2024-07-20 20:00:32,396 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-20 20:00:32,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 20:00:32,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 20:00:32,397 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) [2024-07-20 20:00:32,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-07-20 20:00:32,727 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-07-20 20:00:32,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 20:00:32,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 10 conjunts are in the unsatisfiable core [2024-07-20 20:00:32,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 20:00:32,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 986 proven. 82 refuted. 0 times theorem prover too weak. 1494 trivial. 0 not checked. [2024-07-20 20:00:32,879 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 20:00:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 967 proven. 4 refuted. 0 times theorem prover too weak. 1591 trivial. 0 not checked. [2024-07-20 20:00:32,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125810661] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 20:00:32,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 20:00:32,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 14 [2024-07-20 20:00:32,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348966549] [2024-07-20 20:00:32,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 20:00:32,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-07-20 20:00:32,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 20:00:32,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-07-20 20:00:32,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-07-20 20:00:32,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 20:00:32,996 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 20:00:32,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 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) [2024-07-20 20:00:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-20 20:00:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:32,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 20:00:34,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:34,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:34,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-20 20:00:34,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:00:34,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-07-20 20:00:34,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-07-20 20:00:34,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 20:00:34,795 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 20:00:34,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 20:00:34,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1596812803, now seen corresponding path program 6 times [2024-07-20 20:00:34,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 20:00:34,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488499660] [2024-07-20 20:00:34,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 20:00:34,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 20:00:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 20:00:51,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 319 proven. 1653 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-07-20 20:00:51,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 20:00:51,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488499660] [2024-07-20 20:00:51,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488499660] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 20:00:51,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454680706] [2024-07-20 20:00:51,230 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-20 20:00:51,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 20:00:51,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 20:00:51,235 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) [2024-07-20 20:00:51,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-07-20 20:00:51,648 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2024-07-20 20:00:51,648 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 20:00:51,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 110 conjunts are in the unsatisfiable core [2024-07-20 20:00:51,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 20:01:21,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 227 proven. 1735 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-07-20 20:01:21,754 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 20:01:30,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 234 proven. 1757 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-07-20 20:01:30,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454680706] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 20:01:30,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 20:01:30,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 70, 95] total 241 [2024-07-20 20:01:30,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377143616] [2024-07-20 20:01:30,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 20:01:30,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 242 states [2024-07-20 20:01:30,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 20:01:30,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 242 interpolants. [2024-07-20 20:01:30,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12422, Invalid=45900, Unknown=0, NotChecked=0, Total=58322 [2024-07-20 20:01:30,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 20:01:30,370 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 20:01:30,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 242 states, 242 states have (on average 2.731404958677686) internal successors, (661), 241 states have internal predecessors, (661), 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) [2024-07-20 20:01:30,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:01:30,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:01:30,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-20 20:01:30,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:01:30,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-07-20 20:01:30,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 20:02:57,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:02:57,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:02:57,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-20 20:02:57,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:02:57,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 20:02:57,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 446 states. [2024-07-20 20:02:57,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-07-20 20:02:57,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 20:02:57,497 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 20:02:57,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 20:02:57,497 INFO L85 PathProgramCache]: Analyzing trace with hash 29873356, now seen corresponding path program 7 times [2024-07-20 20:02:57,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 20:02:57,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293034099] [2024-07-20 20:02:57,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 20:02:57,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 20:02:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 20:02:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 973 proven. 1 refuted. 0 times theorem prover too weak. 862 trivial. 0 not checked. [2024-07-20 20:02:58,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 20:02:58,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293034099] [2024-07-20 20:02:58,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293034099] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 20:02:58,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160186241] [2024-07-20 20:02:58,321 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-20 20:02:58,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 20:02:58,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 20:02:58,322 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) [2024-07-20 20:02:58,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-07-20 20:02:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 20:02:58,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 27 conjunts are in the unsatisfiable core [2024-07-20 20:02:58,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 20:02:58,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 973 proven. 1 refuted. 0 times theorem prover too weak. 862 trivial. 0 not checked. [2024-07-20 20:02:58,614 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 20:02:59,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 907 proven. 394 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2024-07-20 20:02:59,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160186241] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 20:02:59,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 20:02:59,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 23] total 30 [2024-07-20 20:02:59,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275016315] [2024-07-20 20:02:59,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 20:02:59,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-07-20 20:02:59,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 20:02:59,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-07-20 20:02:59,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2024-07-20 20:02:59,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 20:02:59,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 20:02:59,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.833333333333333) internal successors, (145), 30 states have internal predecessors, (145), 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) [2024-07-20 20:02:59,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:02:59,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:02:59,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-20 20:02:59,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:02:59,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 20:02:59,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 446 states. [2024-07-20 20:02:59,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 20:03:00,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:03:00,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:03:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-20 20:03:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:03:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 20:03:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 450 states. [2024-07-20 20:03:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-07-20 20:03:00,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-07-20 20:03:01,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-07-20 20:03:01,042 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 20:03:01,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 20:03:01,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1221599718, now seen corresponding path program 8 times [2024-07-20 20:03:01,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 20:03:01,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521107978] [2024-07-20 20:03:01,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 20:03:01,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 20:03:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 20:03:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 308 proven. 611 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-07-20 20:03:08,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 20:03:08,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521107978] [2024-07-20 20:03:08,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521107978] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 20:03:08,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301580201] [2024-07-20 20:03:08,988 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-20 20:03:08,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 20:03:08,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 20:03:08,993 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) [2024-07-20 20:03:09,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-07-20 20:03:09,187 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-20 20:03:09,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 20:03:09,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 74 conjunts are in the unsatisfiable core [2024-07-20 20:03:09,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 20:03:18,647 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 230 proven. 684 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-07-20 20:03:18,648 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 20:08:39,946 WARN L854 $PredicateComparison]: unable to prove that (or (let ((.cse34 (< 36 c_~n2~0)) (.cse31 (= c_~n2~0 36)) (.cse30 (< c_~n2~0 39)) (.cse29 (< 39 c_~n2~0)) (.cse8 (= c_~n2~0 39)) (.cse22 (< 42 c_~n2~0)) (.cse21 (= 42 c_~n2~0)) (.cse18 (= 41 c_~n2~0)) (.cse9 (< c_~n2~0 43)) (.cse12 (= c_~n2~0 43)) (.cse13 (< 43 c_~n2~0)) (.cse23 (= 40 c_~n2~0)) (.cse26 (< 40 c_~n2~0)) (.cse7 (= c_~n2~0 38)) (.cse1 (= c_~n2~0 37)) (.cse2 (mod c_~p1~0 4294967296)) (.cse0 (< 38 c_~n2~0))) (and (or (and (or (and (or .cse0 (and (or .cse1 (and (forall ((v_z_82 Int)) (or (< 4294967295 (+ .cse2 v_z_82)) (= (+ (* v_z_82 50650993629) c_~p2~0) (+ .cse2 (* (div (+ c_~p2~0 (* 50650993630 v_z_82)) 4294967296) 4294967296))) (< v_z_82 0))) (forall ((v_z_82 Int)) (or (= (+ (* v_z_82 50650993629) 4294967296 c_~p2~0) (+ .cse2 (* (div (+ c_~p2~0 (* 50650993630 v_z_82)) 4294967296) 4294967296))) (< (+ .cse2 v_z_82) 4294967296) (< 4294967295 v_z_82))) (forall ((v_z_82 Int)) (let ((.cse3 (* v_z_82 50650993629)) (.cse4 (+ .cse2 (* (div (+ c_~p2~0 (* 50650993630 v_z_82)) 4294967296) 4294967296)))) (or (= (+ .cse3 c_~p2~0) .cse4) (= (+ .cse3 4294967296 c_~p2~0) .cse4) (< 4294967295 v_z_82) (< v_z_82 0)))))) (or (and (forall ((v_z_83 Int)) (or (= (+ .cse2 (* (div (+ c_~p2~0 (* v_z_83 49318072745)) 4294967296) 4294967296)) (+ (* v_z_83 49318072744) 4294967296 c_~p2~0)) (< 4294967295 v_z_83) (< (+ .cse2 v_z_83) 4294967296))) (forall ((v_z_83 Int)) (or (= (+ .cse2 (* (div (+ c_~p2~0 (* v_z_83 49318072745)) 4294967296) 4294967296)) (+ (* v_z_83 49318072744) c_~p2~0)) (< 4294967295 (+ .cse2 v_z_83)) (< v_z_83 0))) (forall ((v_z_83 Int)) (let ((.cse5 (+ .cse2 (* (div (+ c_~p2~0 (* v_z_83 49318072745)) 4294967296) 4294967296))) (.cse6 (* v_z_83 49318072744))) (or (= .cse5 (+ .cse6 4294967296 c_~p2~0)) (< 4294967295 v_z_83) (= .cse5 (+ .cse6 c_~p2~0)) (< v_z_83 0))))) .cse7))) (or (and (or .cse8 (and (or (and (or .cse9 (and (or (and (forall ((v_z_85 Int)) (or (< 4294967295 v_z_85) (< (+ .cse2 v_z_85) 4294967296) (= (+ .cse2 (* (div (+ (* v_z_85 58648518940) c_~p2~0) 4294967296) 4294967296)) (+ (* v_z_85 58648518939) 4294967296 c_~p2~0)))) (forall ((v_z_85 Int)) (or (< v_z_85 0) (< 4294967295 (+ .cse2 v_z_85)) (= (+ .cse2 (* (div (+ (* v_z_85 58648518940) c_~p2~0) 4294967296) 4294967296)) (+ (* v_z_85 58648518939) c_~p2~0)))) (forall ((v_z_85 Int)) (let ((.cse10 (+ .cse2 (* (div (+ (* v_z_85 58648518940) c_~p2~0) 4294967296) 4294967296))) (.cse11 (* v_z_85 58648518939))) (or (< 4294967295 v_z_85) (< v_z_85 0) (= .cse10 (+ .cse11 4294967296 c_~p2~0)) (= .cse10 (+ .cse11 c_~p2~0)))))) .cse12) (or .cse13 (and (forall ((v_z_84 Int)) (let ((.cse14 (+ .cse2 (* (div (+ c_~p2~0 (* 57315598055 v_z_84)) 4294967296) 4294967296))) (.cse15 (* v_z_84 57315598054))) (or (= .cse14 (+ .cse15 c_~p2~0)) (< 4294967295 v_z_84) (< v_z_84 0) (= .cse14 (+ .cse15 4294967296 c_~p2~0))))) (forall ((v_z_84 Int)) (or (= (+ .cse2 (* (div (+ c_~p2~0 (* 57315598055 v_z_84)) 4294967296) 4294967296)) (+ (* v_z_84 57315598054) c_~p2~0)) (< 4294967295 (+ .cse2 v_z_84)) (< v_z_84 0))) (forall ((v_z_84 Int)) (or (< 4294967295 v_z_84) (< (+ .cse2 v_z_84) 4294967296) (= (+ .cse2 (* (div (+ c_~p2~0 (* 57315598055 v_z_84)) 4294967296) 4294967296)) (+ (* v_z_84 57315598054) 4294967296 c_~p2~0)))))))) (or (and (or (and (forall ((v_z_86 Int)) (or (< v_z_86 0) (< 4294967295 (+ .cse2 v_z_86)) (= (+ (* 55982677169 v_z_86) c_~p2~0) (+ .cse2 (* 4294967296 (div (+ (* 55982677170 v_z_86) c_~p2~0) 4294967296)))))) (forall ((v_z_86 Int)) (let ((.cse16 (* 55982677169 v_z_86)) (.cse17 (+ .cse2 (* 4294967296 (div (+ (* 55982677170 v_z_86) c_~p2~0) 4294967296))))) (or (= (+ .cse16 4294967296 c_~p2~0) .cse17) (< v_z_86 0) (< 4294967295 v_z_86) (= (+ .cse16 c_~p2~0) .cse17)))) (forall ((v_z_86 Int)) (or (< (+ .cse2 v_z_86) 4294967296) (= (+ (* 55982677169 v_z_86) 4294967296 c_~p2~0) (+ .cse2 (* 4294967296 (div (+ (* 55982677170 v_z_86) c_~p2~0) 4294967296)))) (< 4294967295 v_z_86)))) .cse18) (or (and (forall ((v_z_87 Int)) (or (= (+ .cse2 (* (div (+ (* 54649756285 v_z_87) c_~p2~0) 4294967296) 4294967296)) (+ (* 54649756284 v_z_87) c_~p2~0)) (< v_z_87 0) (< 4294967295 (+ .cse2 v_z_87)))) (forall ((v_z_87 Int)) (or (< (+ .cse2 v_z_87) 4294967296) (= (+ .cse2 (* (div (+ (* 54649756285 v_z_87) c_~p2~0) 4294967296) 4294967296)) (+ (* 54649756284 v_z_87) 4294967296 c_~p2~0)) (< 4294967295 v_z_87))) (forall ((v_z_87 Int)) (let ((.cse19 (+ .cse2 (* (div (+ (* 54649756285 v_z_87) c_~p2~0) 4294967296) 4294967296))) (.cse20 (* 54649756284 v_z_87))) (or (= .cse19 (+ .cse20 c_~p2~0)) (= .cse19 (+ .cse20 4294967296 c_~p2~0)) (< v_z_87 0) (< 4294967295 v_z_87))))) .cse21)) .cse22)) .cse23) (or (and (forall ((v_z_88 Int)) (or (< v_z_88 0) (= (+ (* v_z_88 53316835399) c_~p2~0) (+ .cse2 (* (div (+ (* v_z_88 53316835400) c_~p2~0) 4294967296) 4294967296))) (< 4294967295 (+ .cse2 v_z_88)))) (forall ((v_z_88 Int)) (or (< (+ .cse2 v_z_88) 4294967296) (= (+ (* v_z_88 53316835399) 4294967296 c_~p2~0) (+ .cse2 (* (div (+ (* v_z_88 53316835400) c_~p2~0) 4294967296) 4294967296))) (< 4294967295 v_z_88))) (forall ((v_z_88 Int)) (let ((.cse24 (* v_z_88 53316835399)) (.cse25 (+ .cse2 (* (div (+ (* v_z_88 53316835400) c_~p2~0) 4294967296) 4294967296)))) (or (< v_z_88 0) (= (+ .cse24 c_~p2~0) .cse25) (= (+ .cse24 4294967296 c_~p2~0) .cse25) (< 4294967295 v_z_88))))) .cse26))) (or (and (forall ((v_z_89 Int)) (let ((.cse27 (+ .cse2 (* (div (+ (* 51983914515 v_z_89) c_~p2~0) 4294967296) 4294967296))) (.cse28 (* v_z_89 51983914514))) (or (< 4294967295 v_z_89) (= .cse27 (+ 4294967296 .cse28 c_~p2~0)) (= .cse27 (+ .cse28 c_~p2~0)) (< v_z_89 0)))) (forall ((v_z_89 Int)) (or (< (+ .cse2 v_z_89) 4294967296) (< 4294967295 v_z_89) (= (+ .cse2 (* (div (+ (* 51983914515 v_z_89) c_~p2~0) 4294967296) 4294967296)) (+ 4294967296 (* v_z_89 51983914514) c_~p2~0)))) (forall ((v_z_89 Int)) (or (< 4294967295 (+ .cse2 v_z_89)) (= (+ .cse2 (* (div (+ (* 51983914515 v_z_89) c_~p2~0) 4294967296) 4294967296)) (+ (* v_z_89 51983914514) c_~p2~0)) (< v_z_89 0)))) .cse29)) .cse30)) .cse31) (or (and (forall ((v_z_81 Int)) (let ((.cse32 (+ .cse2 (* (div (+ (* v_z_81 47985151860) c_~p2~0) 4294967296) 4294967296))) (.cse33 (* v_z_81 47985151859))) (or (= .cse32 (+ .cse33 4294967296 c_~p2~0)) (< v_z_81 0) (< 4294967295 v_z_81) (= .cse32 (+ .cse33 c_~p2~0))))) (forall ((v_z_81 Int)) (or (= (+ .cse2 (* (div (+ (* v_z_81 47985151860) c_~p2~0) 4294967296) 4294967296)) (+ (* v_z_81 47985151859) 4294967296 c_~p2~0)) (< (+ .cse2 v_z_81) 4294967296) (< 4294967295 v_z_81))) (forall ((v_z_81 Int)) (or (< 4294967295 (+ .cse2 v_z_81)) (< v_z_81 0) (= (+ .cse2 (* (div (+ (* v_z_81 47985151860) c_~p2~0) 4294967296) 4294967296)) (+ (* v_z_81 47985151859) c_~p2~0))))) .cse34)) (not (= 29 c_~n1~0))) (or (and (or .cse34 (and (forall ((v_z_72 Int)) (or (< v_z_72 0) (< 4294967295 (+ .cse2 v_z_72)) (= (+ (* v_z_72 62992853675) c_~p2~0) (+ (* (div (+ (* 62992853676 v_z_72) c_~p2~0) 4294967296) 4294967296) .cse2)))) (forall ((v_z_72 Int)) (or (= (+ (* v_z_72 62992853675) 4294967296 c_~p2~0) (+ (* (div (+ (* 62992853676 v_z_72) c_~p2~0) 4294967296) 4294967296) .cse2)) (< 4294967295 v_z_72) (< (+ .cse2 v_z_72) 4294967296))) (forall ((v_z_72 Int)) (let ((.cse35 (* v_z_72 62992853675)) (.cse36 (+ (* (div (+ (* 62992853676 v_z_72) c_~p2~0) 4294967296) 4294967296) .cse2))) (or (< v_z_72 0) (= (+ .cse35 4294967296 c_~p2~0) .cse36) (= (+ .cse35 c_~p2~0) .cse36) (< 4294967295 v_z_72)))))) (or .cse31 (and (or .cse30 (and (or (and (forall ((v_z_75 Int)) (let ((.cse37 (* 68242258148 v_z_75)) (.cse38 (+ .cse2 (* (div (+ (* v_z_75 68242258149) c_~p2~0) 4294967296) 4294967296)))) (or (< 4294967295 v_z_75) (= (+ .cse37 4294967296 c_~p2~0) .cse38) (< v_z_75 0) (= (+ .cse37 c_~p2~0) .cse38)))) (forall ((v_z_75 Int)) (or (< v_z_75 0) (= (+ (* 68242258148 v_z_75) c_~p2~0) (+ .cse2 (* (div (+ (* v_z_75 68242258149) c_~p2~0) 4294967296) 4294967296))) (< 4294967295 (+ .cse2 v_z_75)))) (forall ((v_z_75 Int)) (or (< 4294967295 v_z_75) (= (+ (* 68242258148 v_z_75) 4294967296 c_~p2~0) (+ .cse2 (* (div (+ (* v_z_75 68242258149) c_~p2~0) 4294967296) 4294967296))) (< (+ .cse2 v_z_75) 4294967296)))) .cse29) (or .cse8 (and (or (and (or .cse22 (and (or .cse21 (and (forall ((v_z_78 Int)) (or (< 4294967295 (+ .cse2 v_z_78)) (= (+ .cse2 (* 4294967296 (div (+ (* v_z_78 71741861131) c_~p2~0) 4294967296))) (+ (* v_z_78 71741861130) c_~p2~0)) (< v_z_78 0))) (forall ((v_z_78 Int)) (let ((.cse40 (* v_z_78 71741861130)) (.cse39 (+ .cse2 (* 4294967296 (div (+ (* v_z_78 71741861131) c_~p2~0) 4294967296))))) (or (= .cse39 (+ .cse40 c_~p2~0)) (= (+ 4294967296 .cse40 c_~p2~0) .cse39) (< 4294967295 v_z_78) (< v_z_78 0)))) (forall ((v_z_78 Int)) (or (= (+ 4294967296 (* v_z_78 71741861130) c_~p2~0) (+ .cse2 (* 4294967296 (div (+ (* v_z_78 71741861131) c_~p2~0) 4294967296)))) (< 4294967295 v_z_78) (< (+ .cse2 v_z_78) 4294967296))))) (or .cse18 (and (forall ((v_z_77 Int)) (or (< (+ .cse2 v_z_77) 4294967296) (< 4294967295 v_z_77) (= (+ (* v_z_77 73491662621) 4294967296 c_~p2~0) (+ .cse2 (* (div (+ (* 73491662622 v_z_77) c_~p2~0) 4294967296) 4294967296))))) (forall ((v_z_77 Int)) (or (= (+ .cse2 (* (div (+ (* 73491662622 v_z_77) c_~p2~0) 4294967296) 4294967296)) (+ (* v_z_77 73491662621) c_~p2~0)) (< v_z_77 0) (< 4294967295 (+ .cse2 v_z_77)))) (forall ((v_z_77 Int)) (let ((.cse42 (* v_z_77 73491662621)) (.cse41 (+ .cse2 (* (div (+ (* 73491662622 v_z_77) c_~p2~0) 4294967296) 4294967296)))) (or (= .cse41 (+ .cse42 c_~p2~0)) (< 4294967295 v_z_77) (< v_z_77 0) (= (+ .cse42 4294967296 c_~p2~0) .cse41)))))))) (or .cse9 (and (or (and (forall ((v_z_79 Int)) (or (< (+ .cse2 v_z_79) 4294967296) (< 4294967295 v_z_79) (= (+ (* (div (+ (* v_z_79 76991265604) c_~p2~0) 4294967296) 4294967296) .cse2) (+ (* v_z_79 76991265603) 4294967296 c_~p2~0)))) (forall ((v_z_79 Int)) (or (< v_z_79 0) (= (+ (* v_z_79 76991265603) c_~p2~0) (+ (* (div (+ (* v_z_79 76991265604) c_~p2~0) 4294967296) 4294967296) .cse2)) (< 4294967295 (+ .cse2 v_z_79)))) (forall ((v_z_79 Int)) (let ((.cse44 (* v_z_79 76991265603)) (.cse43 (+ (* (div (+ (* v_z_79 76991265604) c_~p2~0) 4294967296) 4294967296) .cse2))) (or (< v_z_79 0) (< 4294967295 v_z_79) (= .cse43 (+ .cse44 4294967296 c_~p2~0)) (= (+ .cse44 c_~p2~0) .cse43))))) .cse12) (or .cse13 (and (forall ((v_z_80 Int)) (let ((.cse45 (+ (* 4294967296 (div (+ (* v_z_80 75241464113) c_~p2~0) 4294967296)) .cse2)) (.cse46 (* v_z_80 75241464112))) (or (< 4294967295 v_z_80) (= .cse45 (+ .cse46 4294967296 c_~p2~0)) (= .cse45 (+ .cse46 c_~p2~0)) (< v_z_80 0)))) (forall ((v_z_80 Int)) (or (< 4294967295 v_z_80) (= (+ (* 4294967296 (div (+ (* v_z_80 75241464113) c_~p2~0) 4294967296)) .cse2) (+ (* v_z_80 75241464112) 4294967296 c_~p2~0)) (< (+ .cse2 v_z_80) 4294967296))) (forall ((v_z_80 Int)) (or (= (+ (* 4294967296 (div (+ (* v_z_80 75241464113) c_~p2~0) 4294967296)) .cse2) (+ (* v_z_80 75241464112) c_~p2~0)) (< v_z_80 0) (< 4294967295 (+ .cse2 v_z_80))))))))) .cse23) (or (and (forall ((v_z_76 Int)) (let ((.cse48 (* 69992059639 v_z_76)) (.cse47 (+ (* 4294967296 (div (+ (* v_z_76 69992059640) c_~p2~0) 4294967296)) .cse2))) (or (< 4294967295 v_z_76) (= .cse47 (+ 4294967296 .cse48 c_~p2~0)) (= (+ .cse48 c_~p2~0) .cse47) (< v_z_76 0)))) (forall ((v_z_76 Int)) (or (= (+ (* 69992059639 v_z_76) c_~p2~0) (+ (* 4294967296 (div (+ (* v_z_76 69992059640) c_~p2~0) 4294967296)) .cse2)) (< 4294967295 (+ .cse2 v_z_76)) (< v_z_76 0))) (forall ((v_z_76 Int)) (or (< 4294967295 v_z_76) (= (+ (* 4294967296 (div (+ (* v_z_76 69992059640) c_~p2~0) 4294967296)) .cse2) (+ 4294967296 (* 69992059639 v_z_76) c_~p2~0)) (< (+ .cse2 v_z_76) 4294967296)))) .cse26))))) (or (and (or .cse7 (and (forall ((v_z_73 Int)) (or (< (+ .cse2 v_z_73) 4294967296) (= (+ (* v_z_73 64742655166) 4294967296 c_~p2~0) (+ .cse2 (* 4294967296 (div (+ (* v_z_73 64742655167) c_~p2~0) 4294967296)))) (< 4294967295 v_z_73))) (forall ((v_z_73 Int)) (let ((.cse49 (* v_z_73 64742655166)) (.cse50 (+ .cse2 (* 4294967296 (div (+ (* v_z_73 64742655167) c_~p2~0) 4294967296))))) (or (< v_z_73 0) (= (+ .cse49 4294967296 c_~p2~0) .cse50) (= (+ .cse49 c_~p2~0) .cse50) (< 4294967295 v_z_73)))) (forall ((v_z_73 Int)) (or (< v_z_73 0) (< 4294967295 (+ .cse2 v_z_73)) (= (+ (* v_z_73 64742655166) c_~p2~0) (+ .cse2 (* 4294967296 (div (+ (* v_z_73 64742655167) c_~p2~0) 4294967296)))))))) (or .cse1 (and (forall ((v_z_74 Int)) (or (= (+ 4294967296 c_~p2~0 (* v_z_74 66492456657)) (+ .cse2 (* (div (+ (* 66492456658 v_z_74) c_~p2~0) 4294967296) 4294967296))) (< (+ .cse2 v_z_74) 4294967296) (< 4294967295 v_z_74))) (forall ((v_z_74 Int)) (let ((.cse52 (+ .cse2 (* (div (+ (* 66492456658 v_z_74) c_~p2~0) 4294967296) 4294967296))) (.cse51 (* v_z_74 66492456657))) (or (< v_z_74 0) (= (+ 4294967296 c_~p2~0 .cse51) .cse52) (= .cse52 (+ c_~p2~0 .cse51)) (< 4294967295 v_z_74)))) (forall ((v_z_74 Int)) (or (< v_z_74 0) (= (+ .cse2 (* (div (+ (* 66492456658 v_z_74) c_~p2~0) 4294967296) 4294967296)) (+ c_~p2~0 (* v_z_74 66492456657))) (< 4294967295 (+ .cse2 v_z_74))))))) .cse0)))) (not (= c_~n1~0 27))))) (= (mod c_thread1Thread1of1ForFork1_~cond~0 256) 0) (< c_~n2~0 36)) is different from false [2024-07-20 20:09:07,256 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 0 proven. 967 refuted. 6 times theorem prover too weak. 0 trivial. 11 not checked. [2024-07-20 20:09:07,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301580201] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 20:09:07,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 20:09:07,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 42, 66] total 164 [2024-07-20 20:09:07,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118067148] [2024-07-20 20:09:07,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 20:09:07,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2024-07-20 20:09:07,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 20:09:07,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2024-07-20 20:09:07,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4802, Invalid=21922, Unknown=12, NotChecked=324, Total=27060 [2024-07-20 20:09:07,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 20:09:07,262 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 20:09:07,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 2.7696969696969695) internal successors, (457), 164 states have internal predecessors, (457), 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) [2024-07-20 20:09:07,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:09:07,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:09:07,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-20 20:09:07,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 20:09:07,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 20:09:07,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 450 states. [2024-07-20 20:09:07,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-07-20 20:09:07,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 20:10:18,232 WARN L293 SmtUtils]: Spent 39.99s on a formula simplification. DAG size of input: 300 DAG size of output: 146 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-07-20 20:10:21,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-07-20 20:11:22,089 WARN L293 SmtUtils]: Spent 55.96s on a formula simplification. DAG size of input: 300 DAG size of output: 195 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-07-20 20:11:24,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-07-20 20:11:27,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-07-20 20:11:46,347 WARN L293 SmtUtils]: Spent 14.73s on a formula simplification that was a NOOP. DAG size: 175 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-07-20 20:12:01,610 WARN L293 SmtUtils]: Spent 13.04s on a formula simplification. DAG size of input: 303 DAG size of output: 158 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-07-20 20:12:02,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-07-20 20:12:07,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-07-20 20:12:09,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-07-20 20:12:51,663 WARN L293 SmtUtils]: Spent 37.61s on a formula simplification. DAG size of input: 193 DAG size of output: 181 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-07-20 20:13:24,789 WARN L293 SmtUtils]: Spent 31.09s on a formula simplification. DAG size of input: 176 DAG size of output: 163 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-07-20 20:13:43,703 WARN L293 SmtUtils]: Spent 16.17s on a formula simplification. DAG size of input: 318 DAG size of output: 157 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-07-20 20:13:47,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-07-20 20:13:49,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-07-20 20:13:51,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-07-20 20:13:54,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Killed by 15