./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce 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/parallel-parallel-sum-2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m [2024-07-22 10:56:29,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 10:56:30,017 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 10:56:30,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 10:56:30,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 10:56:30,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 10:56:30,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 10:56:30,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 10:56:30,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 10:56:30,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 10:56:30,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 10:56:30,037 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 10:56:30,037 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 10:56:30,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 10:56:30,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 10:56:30,038 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 10:56:30,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 10:56:30,039 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 10:56:30,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 10:56:30,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 10:56:30,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 10:56:30,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 10:56:30,040 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 10:56:30,040 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 10:56:30,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 10:56:30,041 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 10:56:30,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 10:56:30,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 10:56:30,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 10:56:30,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 10:56:30,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 10:56:30,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 10:56:30,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 10:56:30,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 10:56:30,043 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 10:56:30,043 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 10:56:30,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 10:56:30,043 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 10:56:30,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 10:56:30,044 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 10:56:30,044 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 10:56:30,044 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 10:56:30,044 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2024-07-22 10:56:30,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 10:56:30,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 10:56:30,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 10:56:30,266 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 10:56:30,267 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 10:56:30,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2024-07-22 10:56:31,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 10:56:31,553 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 10:56:31,554 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2024-07-22 10:56:31,561 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6bf3e536d/45dd989fa7b644a7b98213a76ff87500/FLAG004582d21 [2024-07-22 10:56:31,572 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6bf3e536d/45dd989fa7b644a7b98213a76ff87500 [2024-07-22 10:56:31,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 10:56:31,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-22 10:56:31,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 10:56:31,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 10:56:31,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 10:56:31,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:56:31" (1/1) ... [2024-07-22 10:56:31,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4119fa56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:31, skipping insertion in model container [2024-07-22 10:56:31,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:56:31" (1/1) ... [2024-07-22 10:56:31,606 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 10:56:31,763 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/parallel-parallel-sum-2.wvr.c[4303,4316] [2024-07-22 10:56:31,785 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 10:56:31,796 INFO L202 MainTranslator]: Completed pre-run [2024-07-22 10:56:31,830 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/parallel-parallel-sum-2.wvr.c[4303,4316] [2024-07-22 10:56:31,841 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 10:56:31,858 INFO L206 MainTranslator]: Completed translation [2024-07-22 10:56:31,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:31 WrapperNode [2024-07-22 10:56:31,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 10:56:31,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 10:56:31,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 10:56:31,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 10:56:31,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:31" (1/1) ... [2024-07-22 10:56:31,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:31" (1/1) ... [2024-07-22 10:56:31,918 INFO L138 Inliner]: procedures = 28, calls = 58, calls flagged for inlining = 22, calls inlined = 32, statements flattened = 377 [2024-07-22 10:56:31,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 10:56:31,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 10:56:31,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 10:56:31,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 10:56:31,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:31" (1/1) ... [2024-07-22 10:56:31,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:31" (1/1) ... [2024-07-22 10:56:31,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:31" (1/1) ... [2024-07-22 10:56:31,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:31" (1/1) ... [2024-07-22 10:56:31,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:31" (1/1) ... [2024-07-22 10:56:31,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:31" (1/1) ... [2024-07-22 10:56:31,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:31" (1/1) ... [2024-07-22 10:56:31,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:31" (1/1) ... [2024-07-22 10:56:31,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 10:56:31,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 10:56:31,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 10:56:31,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 10:56:31,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:31" (1/1) ... [2024-07-22 10:56:31,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 10:56:31,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:56:32,003 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) [2024-07-22 10:56:32,049 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 [2024-07-22 10:56:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 10:56:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-07-22 10:56:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-07-22 10:56:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-22 10:56:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-22 10:56:32,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-22 10:56:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-22 10:56:32,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-07-22 10:56:32,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-07-22 10:56:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-07-22 10:56:32,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-07-22 10:56:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 10:56:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-07-22 10:56:32,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-07-22 10:56:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-07-22 10:56:32,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-07-22 10:56:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-22 10:56:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-22 10:56:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-07-22 10:56:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 10:56:32,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 10:56:32,114 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 10:56:32,251 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 10:56:32,254 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 10:56:32,606 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 10:56:32,606 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 10:56:32,899 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 10:56:32,900 INFO L320 CfgBuilder]: Removed 5 assume(true) statements. [2024-07-22 10:56:32,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:56:32 BoogieIcfgContainer [2024-07-22 10:56:32,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 10:56:32,903 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 10:56:32,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 10:56:32,907 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 10:56:32,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:56:31" (1/3) ... [2024-07-22 10:56:32,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f432ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:56:32, skipping insertion in model container [2024-07-22 10:56:32,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:31" (2/3) ... [2024-07-22 10:56:32,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f432ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:56:32, skipping insertion in model container [2024-07-22 10:56:32,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:56:32" (3/3) ... [2024-07-22 10:56:32,909 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2024-07-22 10:56:32,916 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-07-22 10:56:32,922 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 10:56:32,922 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-22 10:56:32,922 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 10:56:33,005 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-07-22 10:56:33,040 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 10:56:33,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 10:56:33,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:56:33,053 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) [2024-07-22 10:56:33,056 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 [2024-07-22 10:56:33,078 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 10:56:33,112 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork1 ======== [2024-07-22 10:56:33,117 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;@6222171f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 10:56:33,117 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-07-22 10:56:33,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-07-22 10:56:33,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-07-22 10:56:33,546 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-07-22 10:56:33,548 INFO L308 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork1 was SAFE,SAFE (1/3) [2024-07-22 10:56:33,557 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 10:56:33,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 10:56:33,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:56:33,593 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-22 10:56:33,611 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 10:56:33,611 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 10:56:33,612 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;@6222171f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 10:56:33,612 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-07-22 10:56:33,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-07-22 10:56:33,763 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:56:33,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:56:33,767 INFO L85 PathProgramCache]: Analyzing trace with hash 409314276, now seen corresponding path program 1 times [2024-07-22 10:56:33,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:56:33,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300975914] [2024-07-22 10:56:33,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:56:33,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:56:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:56:34,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:56:34,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:56:34,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300975914] [2024-07-22 10:56:34,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300975914] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 10:56:34,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 10:56:34,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-22 10:56:34,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072885507] [2024-07-22 10:56:34,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 10:56:34,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-07-22 10:56:34,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:56:34,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-07-22 10:56:34,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-07-22 10:56:34,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:34,052 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:56:34,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2024-07-22 10:56:34,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:34,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:34,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 10:56:34,160 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:56:34,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:56:34,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1369492028, now seen corresponding path program 1 times [2024-07-22 10:56:34,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:56:34,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082052888] [2024-07-22 10:56:34,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:56:34,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:56:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:56:34,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:56:34,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:56:34,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082052888] [2024-07-22 10:56:34,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082052888] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 10:56:34,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 10:56:34,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 10:56:34,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814951703] [2024-07-22 10:56:34,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 10:56:34,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 10:56:34,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:56:34,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 10:56:34,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-22 10:56:34,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:34,541 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:56:34,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 10:56:34,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:34,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:34,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 10:56:34,655 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:56:34,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:56:34,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1227472434, now seen corresponding path program 1 times [2024-07-22 10:56:34,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:56:34,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995680617] [2024-07-22 10:56:34,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:56:34,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:56:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:56:34,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-22 10:56:34,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:56:34,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995680617] [2024-07-22 10:56:34,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995680617] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 10:56:34,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 10:56:34,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-22 10:56:34,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206668778] [2024-07-22 10:56:34,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 10:56:34,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-22 10:56:34,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:56:34,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-22 10:56:34,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-07-22 10:56:34,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:34,982 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:56:34,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 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) [2024-07-22 10:56:34,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:34,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:34,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:35,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:35,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:35,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:35,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-22 10:56:35,094 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:56:35,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:56:35,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1356169454, now seen corresponding path program 1 times [2024-07-22 10:56:35,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:56:35,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718169187] [2024-07-22 10:56:35,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:56:35,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:56:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:56:35,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:56:35,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:56:35,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718169187] [2024-07-22 10:56:35,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718169187] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 10:56:35,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061051926] [2024-07-22 10:56:35,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:56:35,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:56:35,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:56:35,267 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) [2024-07-22 10:56:35,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-07-22 10:56:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:56:35,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 3 conjunts are in the unsatisfiable core [2024-07-22 10:56:35,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 10:56:35,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-22 10:56:35,557 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-22 10:56:35,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061051926] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 10:56:35,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-22 10:56:35,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-07-22 10:56:35,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999882550] [2024-07-22 10:56:35,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 10:56:35,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 10:56:35,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:56:35,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 10:56:35,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-07-22 10:56:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:35,560 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:56:35,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2024-07-22 10:56:35,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:35,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:35,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:35,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:35,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-07-22 10:56:36,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:56:36,022 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:56:36,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:56:36,023 INFO L85 PathProgramCache]: Analyzing trace with hash -269281312, now seen corresponding path program 1 times [2024-07-22 10:56:36,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:56:36,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272310574] [2024-07-22 10:56:36,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:56:36,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:56:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:56:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:56:36,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:56:36,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272310574] [2024-07-22 10:56:36,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272310574] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 10:56:36,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652100383] [2024-07-22 10:56:36,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:56:36,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:56:36,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:56:36,215 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) [2024-07-22 10:56:36,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-07-22 10:56:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:56:36,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 3 conjunts are in the unsatisfiable core [2024-07-22 10:56:36,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 10:56:36,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-22 10:56:36,438 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-22 10:56:36,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652100383] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 10:56:36,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-22 10:56:36,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-07-22 10:56:36,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909267809] [2024-07-22 10:56:36,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 10:56:36,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 10:56:36,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:56:36,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 10:56:36,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-07-22 10:56:36,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:36,440 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:56:36,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2024-07-22 10:56:36,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:36,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:36,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:36,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:36,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:36,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:36,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-07-22 10:56:36,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:56:36,797 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:56:36,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:56:36,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1735713066, now seen corresponding path program 1 times [2024-07-22 10:56:36,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:56:36,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345858504] [2024-07-22 10:56:36,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:56:36,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:56:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:56:37,020 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-22 10:56:37,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:56:37,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345858504] [2024-07-22 10:56:37,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345858504] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 10:56:37,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844491305] [2024-07-22 10:56:37,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:56:37,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:56:37,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:56:37,022 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) [2024-07-22 10:56:37,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-07-22 10:56:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:56:37,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 7 conjunts are in the unsatisfiable core [2024-07-22 10:56:37,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 10:56:37,245 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-22 10:56:37,245 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 10:56:37,306 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-22 10:56:37,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844491305] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 10:56:37,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 10:56:37,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-07-22 10:56:37,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539040738] [2024-07-22 10:56:37,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 10:56:37,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-07-22 10:56:37,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:56:37,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-07-22 10:56:37,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-07-22 10:56:37,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:37,309 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:56:37,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 10 states have internal predecessors, (110), 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) [2024-07-22 10:56:37,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:37,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:37,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:37,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:37,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:37,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:37,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:37,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:37,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:37,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:37,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-07-22 10:56:37,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-07-22 10:56:37,781 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:56:37,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:56:37,781 INFO L85 PathProgramCache]: Analyzing trace with hash 572521996, now seen corresponding path program 2 times [2024-07-22 10:56:37,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:56:37,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845178034] [2024-07-22 10:56:37,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:56:37,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:56:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:56:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:56:38,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:56:38,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845178034] [2024-07-22 10:56:38,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845178034] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 10:56:38,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854466766] [2024-07-22 10:56:38,629 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 10:56:38,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:56:38,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:56:38,630 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) [2024-07-22 10:56:38,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-07-22 10:56:38,768 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 10:56:38,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 10:56:38,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 34 conjunts are in the unsatisfiable core [2024-07-22 10:56:38,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 10:56:39,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-07-22 10:56:39,287 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-22 10:56:39,288 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 10:56:39,405 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-22 10:56:39,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 18 [2024-07-22 10:56:39,520 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-22 10:56:39,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854466766] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 10:56:39,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 10:56:39,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 24 [2024-07-22 10:56:39,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577495443] [2024-07-22 10:56:39,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 10:56:39,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-07-22 10:56:39,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:56:39,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-07-22 10:56:39,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2024-07-22 10:56:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:39,523 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:56:39,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.208333333333333) internal successors, (149), 24 states have internal predecessors, (149), 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) [2024-07-22 10:56:39,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:39,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:39,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:39,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:39,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:39,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:39,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:56:40,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-07-22 10:56:40,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:56:40,587 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:56:40,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:56:40,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1432359856, now seen corresponding path program 3 times [2024-07-22 10:56:40,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:56:40,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146680041] [2024-07-22 10:56:40,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:56:40,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:56:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:56:40,733 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-07-22 10:56:40,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:56:40,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146680041] [2024-07-22 10:56:40,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146680041] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 10:56:40,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160679135] [2024-07-22 10:56:40,734 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-22 10:56:40,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:56:40,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:56:40,735 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) [2024-07-22 10:56:40,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-07-22 10:56:40,878 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-07-22 10:56:40,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 10:56:40,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 9 conjunts are in the unsatisfiable core [2024-07-22 10:56:40,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 10:56:41,014 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:56:41,014 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 10:56:41,094 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:56:41,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160679135] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 10:56:41,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 10:56:41,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-07-22 10:56:41,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710740914] [2024-07-22 10:56:41,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 10:56:41,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-07-22 10:56:41,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:56:41,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-07-22 10:56:41,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-07-22 10:56:41,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:41,097 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:56:41,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.714285714285714) internal successors, (150), 14 states have internal predecessors, (150), 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) [2024-07-22 10:56:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:41,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:41,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:41,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:56:41,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:41,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:56:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:56:41,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-07-22 10:56:41,602 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,SelfDestructingSolverStorable7 [2024-07-22 10:56:41,603 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:56:41,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:56:41,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1166217816, now seen corresponding path program 4 times [2024-07-22 10:56:41,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:56:41,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641206302] [2024-07-22 10:56:41,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:56:41,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:56:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:56:41,857 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:56:41,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:56:41,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641206302] [2024-07-22 10:56:41,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641206302] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 10:56:41,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458186871] [2024-07-22 10:56:41,857 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-22 10:56:41,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:56:41,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:56:41,869 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) [2024-07-22 10:56:41,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-07-22 10:56:41,979 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-22 10:56:41,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 10:56:41,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2024-07-22 10:56:41,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 10:56:42,089 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-07-22 10:56:42,090 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 10:56:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-07-22 10:56:42,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458186871] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 10:56:42,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 10:56:42,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 5] total 15 [2024-07-22 10:56:42,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750555679] [2024-07-22 10:56:42,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 10:56:42,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-07-22 10:56:42,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:56:42,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-07-22 10:56:42,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-07-22 10:56:42,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:42,179 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:56:42,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.933333333333334) internal successors, (149), 15 states have internal predecessors, (149), 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) [2024-07-22 10:56:42,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:42,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:42,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:42,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:42,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:42,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:42,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:56:42,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:56:42,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:42,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:42,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:42,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:42,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:42,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:42,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:42,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:56:42,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:56:42,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 10:56:42,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-07-22 10:56:42,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:56:42,845 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:56:42,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:56:42,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1155215202, now seen corresponding path program 5 times [2024-07-22 10:56:42,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:56:42,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413914339] [2024-07-22 10:56:42,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:56:42,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:56:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:56:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:56:44,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:56:44,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413914339] [2024-07-22 10:56:44,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413914339] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 10:56:44,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470759286] [2024-07-22 10:56:44,385 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-22 10:56:44,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:56:44,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:56:44,386 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 10:56:44,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-07-22 10:56:44,514 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-07-22 10:56:44,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 10:56:44,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 57 conjunts are in the unsatisfiable core [2024-07-22 10:56:44,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 10:56:45,233 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-22 10:56:45,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 44 [2024-07-22 10:56:45,469 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:56:45,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 10:56:46,074 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-07-22 10:56:46,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470759286] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 10:56:46,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 10:56:46,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 15] total 45 [2024-07-22 10:56:46,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098232609] [2024-07-22 10:56:46,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 10:56:46,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-07-22 10:56:46,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:56:46,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-07-22 10:56:46,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1771, Unknown=0, NotChecked=0, Total=1980 [2024-07-22 10:56:46,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:46,077 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:56:46,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.088888888888889) internal successors, (184), 45 states have internal predecessors, (184), 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) [2024-07-22 10:56:46,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:46,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:46,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:46,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:46,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:46,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:46,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:56:46,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:56:46,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 10:56:46,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:50,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:50,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:50,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:50,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:50,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:50,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:56:50,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:56:50,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-22 10:56:50,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-07-22 10:56:50,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-07-22 10:56:50,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-07-22 10:56:50,943 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:56:50,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:56:50,943 INFO L85 PathProgramCache]: Analyzing trace with hash -761147730, now seen corresponding path program 6 times [2024-07-22 10:56:50,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:56:50,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893082558] [2024-07-22 10:56:50,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:56:50,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:56:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:56:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 53 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:56:51,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:56:51,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893082558] [2024-07-22 10:56:51,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893082558] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 10:56:51,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994750057] [2024-07-22 10:56:51,335 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-22 10:56:51,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:56:51,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:56:51,337 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 10:56:51,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-07-22 10:56:51,480 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-07-22 10:56:51,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 10:56:51,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 12 conjunts are in the unsatisfiable core [2024-07-22 10:56:51,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 10:56:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 53 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-22 10:56:51,673 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 10:56:51,842 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-22 10:56:51,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994750057] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 10:56:51,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 10:56:51,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 9] total 30 [2024-07-22 10:56:51,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002947228] [2024-07-22 10:56:51,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 10:56:51,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-07-22 10:56:51,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:56:51,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-07-22 10:56:51,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=770, Unknown=0, NotChecked=0, Total=930 [2024-07-22 10:56:51,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:51,845 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:56:51,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 6.645161290322581) internal successors, (206), 30 states have internal predecessors, (206), 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) [2024-07-22 10:56:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:56:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:56:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-07-22 10:56:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-07-22 10:56:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:52,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:52,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:52,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:52,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:52,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:52,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:56:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:56:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-22 10:56:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-07-22 10:56:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 10:56:52,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-07-22 10:56:52,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-07-22 10:56:52,485 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:56:52,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:56:52,501 INFO L85 PathProgramCache]: Analyzing trace with hash 2069284206, now seen corresponding path program 7 times [2024-07-22 10:56:52,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:56:52,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966400974] [2024-07-22 10:56:52,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:56:52,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:56:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:56:55,360 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:56:55,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:56:55,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966400974] [2024-07-22 10:56:55,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966400974] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 10:56:55,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581602688] [2024-07-22 10:56:55,360 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-22 10:56:55,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:56:55,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:56:55,362 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 10:56:55,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-07-22 10:56:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:56:55,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 85 conjunts are in the unsatisfiable core [2024-07-22 10:56:55,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 10:56:57,202 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-22 10:56:57,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 17 [2024-07-22 10:56:57,412 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 10 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:56:57,412 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 10:56:58,608 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-22 10:56:58,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 86 treesize of output 176 [2024-07-22 10:56:59,354 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-07-22 10:56:59,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581602688] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 10:56:59,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 10:56:59,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 22] total 71 [2024-07-22 10:56:59,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288048421] [2024-07-22 10:56:59,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 10:56:59,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-07-22 10:56:59,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:56:59,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-07-22 10:56:59,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=391, Invalid=4579, Unknown=0, NotChecked=0, Total=4970 [2024-07-22 10:56:59,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:59,360 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:56:59,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 3.323943661971831) internal successors, (236), 71 states have internal predecessors, (236), 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) [2024-07-22 10:56:59,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:56:59,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:59,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:59,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:59,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:56:59,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:56:59,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:56:59,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:56:59,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-07-22 10:56:59,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-07-22 10:56:59,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 10:56:59,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:57:11,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:57:11,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:57:11,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:57:11,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:57:11,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:57:11,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:57:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:57:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:57:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-22 10:57:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-07-22 10:57:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 10:57:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-07-22 10:57:11,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-07-22 10:57:11,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:57:11,289 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:57:11,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:57:11,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1088396228, now seen corresponding path program 8 times [2024-07-22 10:57:11,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:57:11,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835429445] [2024-07-22 10:57:11,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:57:11,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:57:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:57:12,051 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 233 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:57:12,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:57:12,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835429445] [2024-07-22 10:57:12,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835429445] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 10:57:12,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52661300] [2024-07-22 10:57:12,052 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 10:57:12,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:57:12,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:57:12,054 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 10:57:12,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-07-22 10:57:12,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 10:57:12,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 10:57:12,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 19 conjunts are in the unsatisfiable core [2024-07-22 10:57:12,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 10:57:12,568 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 233 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-22 10:57:12,568 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 10:57:12,971 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 254 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-22 10:57:12,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52661300] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 10:57:12,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 10:57:12,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 16, 16] total 55 [2024-07-22 10:57:12,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686140417] [2024-07-22 10:57:12,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 10:57:12,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-07-22 10:57:12,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:57:12,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-07-22 10:57:12,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=493, Invalid=2587, Unknown=0, NotChecked=0, Total=3080 [2024-07-22 10:57:12,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:57:12,974 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:57:12,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 5.553571428571429) internal successors, (311), 55 states have internal predecessors, (311), 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) [2024-07-22 10:57:12,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:57:12,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:57:12,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:57:12,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:57:12,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:57:12,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:57:12,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:57:12,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:57:12,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-07-22 10:57:12,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-07-22 10:57:12,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 10:57:12,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-07-22 10:57:12,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:57:13,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:57:13,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:57:13,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:57:13,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:57:13,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:57:13,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:57:13,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:57:13,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:57:13,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-22 10:57:13,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-07-22 10:57:13,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 10:57:13,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-07-22 10:57:13,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 10:57:13,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-07-22 10:57:13,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-07-22 10:57:13,716 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:57:13,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:57:13,732 INFO L85 PathProgramCache]: Analyzing trace with hash -368886002, now seen corresponding path program 9 times [2024-07-22 10:57:13,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:57:13,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989290509] [2024-07-22 10:57:13,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:57:13,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:57:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:57:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:57:20,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:57:20,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989290509] [2024-07-22 10:57:20,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989290509] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 10:57:20,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412777305] [2024-07-22 10:57:20,975 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-22 10:57:20,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:57:20,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:57:20,982 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 10:57:20,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-07-22 10:57:21,211 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-07-22 10:57:21,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 10:57:21,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 170 conjunts are in the unsatisfiable core [2024-07-22 10:57:21,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 10:57:21,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-07-22 10:57:26,122 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-22 10:57:26,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 28 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 115 treesize of output 473 [2024-07-22 10:57:29,459 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:57:29,459 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 10:57:31,375 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-07-22 10:57:31,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412777305] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 10:57:31,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 10:57:31,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 48, 17] total 107 [2024-07-22 10:57:31,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416298119] [2024-07-22 10:57:31,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 10:57:31,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2024-07-22 10:57:31,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:57:31,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2024-07-22 10:57:31,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=10997, Unknown=0, NotChecked=0, Total=11342 [2024-07-22 10:57:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:57:31,382 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:57:31,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 2.7850467289719627) internal successors, (298), 107 states have internal predecessors, (298), 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) [2024-07-22 10:57:31,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:57:31,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:57:31,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:57:31,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:57:31,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:57:31,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:57:31,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:57:31,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:57:31,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-07-22 10:57:31,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-07-22 10:57:31,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 10:57:31,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-07-22 10:57:31,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 10:57:31,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:58:13,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:58:13,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:58:13,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:58:13,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:58:13,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:58:13,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:58:13,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:58:13,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:58:13,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-07-22 10:58:13,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-07-22 10:58:13,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 10:58:13,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-07-22 10:58:13,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 10:58:13,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 10:58:13,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-07-22 10:58:14,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-07-22 10:58:14,046 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:58:14,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:58:14,046 INFO L85 PathProgramCache]: Analyzing trace with hash -883594672, now seen corresponding path program 1 times [2024-07-22 10:58:14,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:58:14,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357995966] [2024-07-22 10:58:14,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:58:14,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:58:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:58:14,395 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 40 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:58:14,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:58:14,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357995966] [2024-07-22 10:58:14,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357995966] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 10:58:14,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881006496] [2024-07-22 10:58:14,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:58:14,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:58:14,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:58:14,396 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 10:58:14,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-07-22 10:58:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:58:14,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 17 conjunts are in the unsatisfiable core [2024-07-22 10:58:14,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 10:58:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 49 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:58:14,856 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 10:58:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:58:15,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881006496] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 10:58:15,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 10:58:15,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 43 [2024-07-22 10:58:15,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633256930] [2024-07-22 10:58:15,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 10:58:15,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-07-22 10:58:15,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:58:15,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-07-22 10:58:15,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=1503, Unknown=0, NotChecked=0, Total=1892 [2024-07-22 10:58:15,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:58:15,072 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:58:15,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 4.2727272727272725) internal successors, (188), 43 states have internal predecessors, (188), 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) [2024-07-22 10:58:15,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:58:15,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:58:15,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:58:15,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:58:15,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:58:15,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:58:15,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:58:15,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:58:15,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-07-22 10:58:15,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-07-22 10:58:15,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 10:58:15,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-07-22 10:58:15,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 10:58:15,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 10:58:15,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:58:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:58:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:58:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:58:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:58:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:58:15,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:58:15,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:58:15,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:58:15,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:58:15,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-07-22 10:58:15,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 10:58:15,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-07-22 10:58:15,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 10:58:15,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 10:58:15,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-22 10:58:15,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-07-22 10:58:16,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-07-22 10:58:16,152 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:58:16,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:58:16,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1785433552, now seen corresponding path program 2 times [2024-07-22 10:58:16,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:58:16,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023603332] [2024-07-22 10:58:16,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:58:16,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:58:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:58:16,666 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 48 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:58:16,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:58:16,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023603332] [2024-07-22 10:58:16,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023603332] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 10:58:16,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813546644] [2024-07-22 10:58:16,667 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 10:58:16,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:58:16,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:58:16,677 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 10:58:16,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-07-22 10:58:16,865 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 10:58:16,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 10:58:16,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 21 conjunts are in the unsatisfiable core [2024-07-22 10:58:16,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 10:58:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 57 proven. 142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:58:17,337 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 10:58:17,739 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 67 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:58:17,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813546644] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 10:58:17,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 10:58:17,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 55 [2024-07-22 10:58:17,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753020589] [2024-07-22 10:58:17,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 10:58:17,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-07-22 10:58:17,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:58:17,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-07-22 10:58:17,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=553, Invalid=2527, Unknown=0, NotChecked=0, Total=3080 [2024-07-22 10:58:17,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:58:17,742 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:58:17,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 5.071428571428571) internal successors, (284), 55 states have internal predecessors, (284), 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) [2024-07-22 10:58:17,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:58:17,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:58:17,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:58:17,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:58:17,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:58:17,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:58:17,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:58:17,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:58:17,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:58:17,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-07-22 10:58:17,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 10:58:17,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-07-22 10:58:17,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 10:58:17,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 10:58:17,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-22 10:58:17,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:58:18,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:58:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:58:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:58:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:58:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:58:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:58:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:58:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:58:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:58:18,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-07-22 10:58:18,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 10:58:18,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-07-22 10:58:18,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 10:58:18,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 10:58:18,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-22 10:58:18,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 10:58:18,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-07-22 10:58:18,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-07-22 10:58:18,917 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 10:58:18,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 10:58:18,918 INFO L85 PathProgramCache]: Analyzing trace with hash -2023207912, now seen corresponding path program 3 times [2024-07-22 10:58:18,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 10:58:18,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850115376] [2024-07-22 10:58:18,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 10:58:18,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 10:58:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 10:58:27,689 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 379 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 10:58:27,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 10:58:27,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850115376] [2024-07-22 10:58:27,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850115376] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 10:58:27,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307004508] [2024-07-22 10:58:27,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-22 10:58:27,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 10:58:27,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 10:58:27,691 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 10:58:27,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-07-22 10:58:27,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-07-22 10:58:27,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 10:58:27,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 176 conjunts are in the unsatisfiable core [2024-07-22 10:58:27,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 10:58:33,731 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-22 10:58:33,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 159 treesize of output 779 [2024-07-22 10:59:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 373 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-07-22 10:59:16,657 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 10:59:18,835 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-22 10:59:18,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 18 [2024-07-22 10:59:18,992 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-07-22 10:59:18,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307004508] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 10:59:18,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 10:59:18,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 50, 17] total 114 [2024-07-22 10:59:18,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905903460] [2024-07-22 10:59:18,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 10:59:18,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-07-22 10:59:18,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 10:59:18,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-07-22 10:59:18,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=366, Invalid=12516, Unknown=0, NotChecked=0, Total=12882 [2024-07-22 10:59:18,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:59:18,997 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 10:59:18,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 2.754385964912281) internal successors, (314), 114 states have internal predecessors, (314), 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) [2024-07-22 10:59:18,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 10:59:18,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:59:18,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:59:18,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:59:18,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 10:59:18,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 10:59:18,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:59:18,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 10:59:18,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 10:59:18,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-07-22 10:59:18,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 10:59:18,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-07-22 10:59:18,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 10:59:18,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 10:59:18,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-22 10:59:18,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 10:59:18,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:00:14,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:00:14,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:14,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:00:14,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:14,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:14,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:00:14,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:00:14,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:00:14,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:00:14,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-07-22 11:00:14,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 11:00:14,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-07-22 11:00:14,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 11:00:14,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:00:14,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-22 11:00:14,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 11:00:14,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:00:14,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-07-22 11:00:14,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-07-22 11:00:14,941 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 11:00:14,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:00:14,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1243805168, now seen corresponding path program 1 times [2024-07-22 11:00:14,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:00:14,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495659594] [2024-07-22 11:00:14,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:00:14,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:00:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:00:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 149 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 11:00:15,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:00:15,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495659594] [2024-07-22 11:00:15,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495659594] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:00:15,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62371400] [2024-07-22 11:00:15,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:00:15,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:00:15,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:00:15,589 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:00:15,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-07-22 11:00:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:00:15,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 7 conjunts are in the unsatisfiable core [2024-07-22 11:00:15,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:00:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 74 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-07-22 11:00:16,013 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:00:16,132 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 74 proven. 12 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-07-22 11:00:16,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62371400] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:00:16,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:00:16,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 8, 6] total 36 [2024-07-22 11:00:16,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521617261] [2024-07-22 11:00:16,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:00:16,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-07-22 11:00:16,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:00:16,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-07-22 11:00:16,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1090, Unknown=0, NotChecked=0, Total=1260 [2024-07-22 11:00:16,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:00:16,134 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:00:16,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 5.833333333333333) internal successors, (210), 36 states have internal predecessors, (210), 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) [2024-07-22 11:00:16,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:00:16,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:16,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:00:16,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:16,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:16,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:00:16,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:00:16,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:00:16,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:00:16,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-07-22 11:00:16,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 11:00:16,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-07-22 11:00:16,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 11:00:16,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:00:16,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-22 11:00:16,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 11:00:16,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:00:16,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:00:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:00:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:00:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:00:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:00:18,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:00:18,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:00:18,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-07-22 11:00:18,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 11:00:18,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-07-22 11:00:18,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 11:00:18,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:00:18,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-22 11:00:18,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 11:00:18,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:00:18,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-22 11:00:18,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-07-22 11:00:18,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-07-22 11:00:18,492 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 11:00:18,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:00:18,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1065004836, now seen corresponding path program 2 times [2024-07-22 11:00:18,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:00:18,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121586453] [2024-07-22 11:00:18,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:00:18,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:00:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:00:19,107 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 63 proven. 295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 11:00:19,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:00:19,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121586453] [2024-07-22 11:00:19,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121586453] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:00:19,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822075594] [2024-07-22 11:00:19,108 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 11:00:19,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:00:19,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:00:19,109 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:00:19,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-07-22 11:00:19,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 11:00:19,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:00:19,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 26 conjunts are in the unsatisfiable core [2024-07-22 11:00:19,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:00:19,749 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 73 proven. 285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 11:00:19,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:00:20,300 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 84 proven. 274 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 11:00:20,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822075594] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:00:20,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:00:20,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 67 [2024-07-22 11:00:20,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958182604] [2024-07-22 11:00:20,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:00:20,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-07-22 11:00:20,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:00:20,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-07-22 11:00:20,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=742, Invalid=3814, Unknown=0, NotChecked=0, Total=4556 [2024-07-22 11:00:20,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:00:20,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:00:20,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 5.3088235294117645) internal successors, (361), 67 states have internal predecessors, (361), 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) [2024-07-22 11:00:20,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:00:20,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:20,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:00:20,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:20,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:20,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:00:20,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:00:20,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:00:20,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:00:20,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-07-22 11:00:20,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 11:00:20,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-07-22 11:00:20,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 11:00:20,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:00:20,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-22 11:00:20,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 11:00:20,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:00:20,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-22 11:00:20,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:00:22,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:00:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:00:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:00:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:00:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:00:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:00:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-07-22 11:00:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 11:00:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-07-22 11:00:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 11:00:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:00:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-22 11:00:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 11:00:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:00:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-22 11:00:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-07-22 11:00:22,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-07-22 11:00:22,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:00:22,519 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 11:00:22,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:00:22,520 INFO L85 PathProgramCache]: Analyzing trace with hash 539849754, now seen corresponding path program 3 times [2024-07-22 11:00:22,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:00:22,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452840020] [2024-07-22 11:00:22,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:00:22,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:00:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:00:23,139 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 63 proven. 329 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 11:00:23,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:00:23,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452840020] [2024-07-22 11:00:23,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452840020] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:00:23,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447338025] [2024-07-22 11:00:23,140 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-22 11:00:23,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:00:23,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:00:23,141 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:00:23,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-07-22 11:00:23,555 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-07-22 11:00:23,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:00:23,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 25 conjunts are in the unsatisfiable core [2024-07-22 11:00:23,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:00:24,074 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 73 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 11:00:24,074 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:00:24,499 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 84 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 11:00:24,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447338025] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:00:24,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:00:24,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 66 [2024-07-22 11:00:24,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707978642] [2024-07-22 11:00:24,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:00:24,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-07-22 11:00:24,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:00:24,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-07-22 11:00:24,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=728, Invalid=3694, Unknown=0, NotChecked=0, Total=4422 [2024-07-22 11:00:24,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:00:24,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:00:24,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 5.567164179104478) internal successors, (373), 66 states have internal predecessors, (373), 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) [2024-07-22 11:00:24,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:00:24,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:24,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:00:24,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:24,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:24,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:00:24,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:00:24,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:00:24,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:00:24,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-07-22 11:00:24,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 11:00:24,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-07-22 11:00:24,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 11:00:24,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:00:24,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-22 11:00:24,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 11:00:24,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:00:24,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-22 11:00:24,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-07-22 11:00:24,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:00:26,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:00:26,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:26,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:00:26,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:26,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:00:26,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:00:26,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:00:26,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:00:26,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:00:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-07-22 11:00:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 11:00:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-07-22 11:00:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 11:00:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:00:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-22 11:00:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 11:00:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:00:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-22 11:00:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-07-22 11:00:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 11:00:26,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-07-22 11:00:26,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:00:26,468 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 11:00:26,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:00:26,469 INFO L85 PathProgramCache]: Analyzing trace with hash 836794924, now seen corresponding path program 4 times [2024-07-22 11:00:26,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:00:26,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377395725] [2024-07-22 11:00:26,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:00:26,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:00:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:00:35,584 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 11:00:35,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:00:35,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377395725] [2024-07-22 11:00:35,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377395725] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:00:35,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489018926] [2024-07-22 11:00:35,585 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-22 11:00:35,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:00:35,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:00:35,586 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:00:35,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-07-22 11:00:35,910 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-22 11:00:35,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:00:35,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 207 conjunts are in the unsatisfiable core [2024-07-22 11:00:35,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:00:36,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-07-22 11:00:44,062 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-22 11:00:44,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 180 treesize of output 831 [2024-07-22 11:00:56,375 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 11:00:56,376 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:01:04,277 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-07-22 11:01:04,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489018926] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:01:04,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:01:04,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 58, 47] total 157 [2024-07-22 11:01:04,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870286508] [2024-07-22 11:01:04,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:01:04,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2024-07-22 11:01:04,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:01:04,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2024-07-22 11:01:04,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1594, Invalid=22898, Unknown=0, NotChecked=0, Total=24492 [2024-07-22 11:01:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:01:04,286 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:01:04,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 2.484076433121019) internal successors, (390), 157 states have internal predecessors, (390), 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) [2024-07-22 11:01:04,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:01:04,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:01:04,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:01:04,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:01:04,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:01:04,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:01:04,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:01:04,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:01:04,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:01:04,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-07-22 11:01:04,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 11:01:04,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-07-22 11:01:04,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 11:01:04,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:01:04,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-22 11:01:04,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 11:01:04,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:01:04,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-22 11:01:04,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-07-22 11:01:04,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 11:01:04,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:02:27,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:02:27,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:02:27,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:02:27,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:02:27,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:02:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:02:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:02:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:02:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:02:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-07-22 11:02:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 11:02:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-07-22 11:02:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 11:02:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:02:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-22 11:02:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 11:02:27,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:02:27,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-22 11:02:27,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-07-22 11:02:27,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 11:02:27,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-07-22 11:02:27,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-07-22 11:02:27,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-07-22 11:02:27,427 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 11:02:27,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:02:27,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1077919192, now seen corresponding path program 5 times [2024-07-22 11:02:27,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:02:27,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830117563] [2024-07-22 11:02:27,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:02:27,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:02:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:02:28,159 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 75 proven. 405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 11:02:28,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:02:28,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830117563] [2024-07-22 11:02:28,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830117563] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:02:28,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394051367] [2024-07-22 11:02:28,160 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-22 11:02:28,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:02:28,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:02:28,161 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:02:28,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-07-22 11:02:28,483 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-07-22 11:02:28,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:02:28,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 24 conjunts are in the unsatisfiable core [2024-07-22 11:02:28,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:02:29,060 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 402 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-07-22 11:02:29,061 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:02:29,289 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 38 proven. 49 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-07-22 11:02:29,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394051367] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:02:29,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:02:29,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 7] total 54 [2024-07-22 11:02:29,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058032966] [2024-07-22 11:02:29,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:02:29,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-07-22 11:02:29,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:02:29,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-07-22 11:02:29,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=2559, Unknown=0, NotChecked=0, Total=2862 [2024-07-22 11:02:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:02:29,292 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:02:29,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 6.037037037037037) internal successors, (326), 54 states have internal predecessors, (326), 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) [2024-07-22 11:02:29,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:02:29,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:02:29,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:02:29,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:02:29,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:02:29,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:02:29,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:02:29,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:02:29,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:02:29,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-07-22 11:02:29,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 11:02:29,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-07-22 11:02:29,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 11:02:29,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:02:29,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-22 11:02:29,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 11:02:29,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:02:29,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-22 11:02:29,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-07-22 11:02:29,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 11:02:29,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-07-22 11:02:29,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:02:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:02:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:02:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:02:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:02:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:02:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:02:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:02:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:02:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:02:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-07-22 11:02:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 11:02:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-07-22 11:02:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 11:02:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:02:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-22 11:02:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 11:02:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:02:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-22 11:02:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-07-22 11:02:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 11:02:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-07-22 11:02:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2024-07-22 11:02:51,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-07-22 11:02:51,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:02:51,619 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 11:02:51,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:02:51,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1874354738, now seen corresponding path program 6 times [2024-07-22 11:02:51,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:02:51,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43595860] [2024-07-22 11:02:51,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:02:51,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:02:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:02:54,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 1467 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 11:02:54,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:02:54,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43595860] [2024-07-22 11:02:54,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43595860] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:02:54,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873128392] [2024-07-22 11:02:54,231 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-22 11:02:54,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:02:54,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:02:54,232 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:02:54,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-07-22 11:02:54,890 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2024-07-22 11:02:54,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:02:54,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 30 conjunts are in the unsatisfiable core [2024-07-22 11:02:54,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:02:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 1184 proven. 120 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-07-22 11:02:55,900 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:02:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 1226 proven. 78 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-07-22 11:02:57,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873128392] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:02:57,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:02:57,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 26, 26] total 105 [2024-07-22 11:02:57,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019159045] [2024-07-22 11:02:57,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:02:57,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-07-22 11:02:57,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:02:57,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-07-22 11:02:57,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1681, Invalid=9449, Unknown=0, NotChecked=0, Total=11130 [2024-07-22 11:02:57,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:02:57,184 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:02:57,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 4.632075471698113) internal successors, (491), 105 states have internal predecessors, (491), 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) [2024-07-22 11:02:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:02:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:02:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:02:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:02:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:02:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:02:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:02:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:02:57,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:02:57,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-07-22 11:02:57,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 11:02:57,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-07-22 11:02:57,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 11:02:57,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:02:57,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-22 11:02:57,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 11:02:57,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:02:57,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-22 11:02:57,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-07-22 11:02:57,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 11:02:57,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-07-22 11:02:57,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2024-07-22 11:02:57,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:02:59,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-07-22 11:02:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2024-07-22 11:02:59,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:02:59,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-07-22 11:02:59,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-07-22 11:02:59,388 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 11:02:59,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:02:59,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1422235844, now seen corresponding path program 7 times [2024-07-22 11:02:59,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:02:59,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598960853] [2024-07-22 11:02:59,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:02:59,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:02:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:03:01,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1615 backedges. 1467 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 11:03:01,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:03:01,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598960853] [2024-07-22 11:03:01,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598960853] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:03:01,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952724048] [2024-07-22 11:03:01,864 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-22 11:03:01,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:03:01,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:03:01,866 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:03:01,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-07-22 11:03:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:03:02,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 1046 conjuncts, 38 conjunts are in the unsatisfiable core [2024-07-22 11:03:02,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:03:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1615 backedges. 1448 proven. 165 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-22 11:03:03,763 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:03:05,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1615 backedges. 1522 proven. 91 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-22 11:03:05,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952724048] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:03:05,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:03:05,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 35, 35] total 124 [2024-07-22 11:03:05,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695937673] [2024-07-22 11:03:05,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:03:05,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2024-07-22 11:03:05,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:03:05,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2024-07-22 11:03:05,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2458, Invalid=13042, Unknown=0, NotChecked=0, Total=15500 [2024-07-22 11:03:05,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:03:05,585 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:03:05,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 4.96) internal successors, (620), 124 states have internal predecessors, (620), 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) [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-07-22 11:03:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 11:03:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-07-22 11:03:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2024-07-22 11:03:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:03:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:03:07,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:03:07,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:03:07,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:03:07,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:03:07,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:03:07,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:03:07,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:03:07,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:03:07,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:03:07,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-07-22 11:03:07,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 11:03:07,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-07-22 11:03:07,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 11:03:07,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:03:07,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-22 11:03:07,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 11:03:07,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-07-22 11:03:07,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-22 11:03:07,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-07-22 11:03:07,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 11:03:07,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-07-22 11:03:07,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2024-07-22 11:03:07,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:03:07,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-07-22 11:03:07,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-07-22 11:03:08,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-07-22 11:03:08,110 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 11:03:08,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:03:08,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1922064956, now seen corresponding path program 8 times [2024-07-22 11:03:08,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:03:08,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35111206] [2024-07-22 11:03:08,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:03:08,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:03:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:03:46,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 0 proven. 1755 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 11:03:46,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:03:46,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35111206] [2024-07-22 11:03:46,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35111206] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:03:46,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824899419] [2024-07-22 11:03:46,374 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 11:03:46,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:03:46,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:03:46,375 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:03:46,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-07-22 11:03:46,699 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 11:03:46,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:03:46,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 388 conjunts are in the unsatisfiable core [2024-07-22 11:03:46,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:04:07,162 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-22 11:04:07,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 190 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 211 treesize of output 51 [2024-07-22 11:04:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 0 proven. 1755 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 11:04:07,482 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:05:08,530 WARN L293 SmtUtils]: Spent 38.59s on a formula simplification. DAG size of input: 1473 DAG size of output: 1378 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-07-22 11:05:08,531 INFO L349 Elim1Store]: treesize reduction 190, result has 95.5 percent of original size [2024-07-22 11:05:08,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 40 select indices, 40 select index equivalence classes, 0 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 780 case distinctions, treesize of input 406 treesize of output 4046 Killed by 15