./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 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/popl20-queue-add-3.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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 03:03:07,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 03:03:07,248 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 03:03:07,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 03:03:07,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 03:03:07,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 03:03:07,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 03:03:07,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 03:03:07,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 03:03:07,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 03:03:07,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 03:03:07,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 03:03:07,290 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 03:03:07,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 03:03:07,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 03:03:07,291 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 03:03:07,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 03:03:07,293 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 03:03:07,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 03:03:07,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 03:03:07,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 03:03:07,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 03:03:07,294 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 03:03:07,295 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 03:03:07,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 03:03:07,295 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 03:03:07,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 03:03:07,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 03:03:07,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 03:03:07,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 03:03:07,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 03:03:07,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 03:03:07,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 03:03:07,299 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 03:03:07,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 03:03:07,300 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 03:03:07,300 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 03:03:07,300 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 03:03:07,300 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 03:03:07,300 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 03:03:07,300 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 03:03:07,303 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 -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Seed for random criterion -> 546 [2024-10-18 03:03:07,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 03:03:07,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 03:03:07,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 03:03:07,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 03:03:07,560 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 03:03:07,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2024-10-18 03:03:08,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 03:03:09,147 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 03:03:09,147 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2024-10-18 03:03:09,155 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d0e2fe917/5892e85db1fb4e26bdbe6d14e9889f6d/FLAGb80b886f0 [2024-10-18 03:03:09,541 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d0e2fe917/5892e85db1fb4e26bdbe6d14e9889f6d [2024-10-18 03:03:09,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 03:03:09,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 03:03:09,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 03:03:09,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 03:03:09,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 03:03:09,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 03:03:09" (1/1) ... [2024-10-18 03:03:09,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6956a8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:03:09, skipping insertion in model container [2024-10-18 03:03:09,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 03:03:09" (1/1) ... [2024-10-18 03:03:09,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 03:03:09,813 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/popl20-queue-add-3.wvr.c[3451,3464] [2024-10-18 03:03:09,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 03:03:09,829 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 03:03:09,848 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/popl20-queue-add-3.wvr.c[3451,3464] [2024-10-18 03:03:09,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 03:03:09,867 INFO L204 MainTranslator]: Completed translation [2024-10-18 03:03:09,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:03:09 WrapperNode [2024-10-18 03:03:09,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 03:03:09,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 03:03:09,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 03:03:09,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 03:03:09,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:03:09" (1/1) ... [2024-10-18 03:03:09,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:03:09" (1/1) ... [2024-10-18 03:03:09,910 INFO L138 Inliner]: procedures = 24, calls = 40, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 239 [2024-10-18 03:03:09,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 03:03:09,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 03:03:09,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 03:03:09,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 03:03:09,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:03:09" (1/1) ... [2024-10-18 03:03:09,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:03:09" (1/1) ... [2024-10-18 03:03:09,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:03:09" (1/1) ... [2024-10-18 03:03:09,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:03:09" (1/1) ... [2024-10-18 03:03:09,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:03:09" (1/1) ... [2024-10-18 03:03:09,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:03:09" (1/1) ... [2024-10-18 03:03:09,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:03:09" (1/1) ... [2024-10-18 03:03:09,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:03:09" (1/1) ... [2024-10-18 03:03:09,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 03:03:09,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 03:03:09,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 03:03:09,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 03:03:09,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:03:09" (1/1) ... [2024-10-18 03:03:09,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 03:03:09,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:03:09,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 03:03:09,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 03:03:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 03:03:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 03:03:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 03:03:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 03:03:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 03:03:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 03:03:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 03:03:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 03:03:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 03:03:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 03:03:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 03:03:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-18 03:03:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 03:03:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 03:03:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 03:03:10,050 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 03:03:10,179 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 03:03:10,181 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 03:03:10,521 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 03:03:10,521 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 03:03:10,858 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 03:03:10,858 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-18 03:03:10,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 03:03:10 BoogieIcfgContainer [2024-10-18 03:03:10,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 03:03:10,863 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 03:03:10,864 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 03:03:10,867 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 03:03:10,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 03:03:09" (1/3) ... [2024-10-18 03:03:10,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@677908a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 03:03:10, skipping insertion in model container [2024-10-18 03:03:10,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:03:09" (2/3) ... [2024-10-18 03:03:10,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@677908a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 03:03:10, skipping insertion in model container [2024-10-18 03:03:10,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 03:03:10" (3/3) ... [2024-10-18 03:03:10,871 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-3.wvr.c [2024-10-18 03:03:10,887 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 03:03:10,888 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 03:03:10,888 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 03:03:10,942 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-18 03:03:10,993 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 03:03:10,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 03:03:10,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:03:10,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 03:03:10,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 03:03:11,113 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 03:03:11,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:03:11,136 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 03:03:11,144 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f84ed8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546, mConComCheckerConditionCriterion=false [2024-10-18 03:03:11,144 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 03:03:11,850 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:03:11,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:03:11,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1711186171, now seen corresponding path program 1 times [2024-10-18 03:03:11,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:03:11,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066143336] [2024-10-18 03:03:11,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:11,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:03:12,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:03:12,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066143336] [2024-10-18 03:03:12,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066143336] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:03:12,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 03:03:12,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 03:03:12,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091763384] [2024-10-18 03:03:12,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:03:12,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 03:03:12,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:03:12,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 03:03:12,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 03:03:12,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:12,486 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:03:12,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:03:12,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:12,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:12,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 03:03:12,586 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:03:12,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:03:12,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1918895269, now seen corresponding path program 1 times [2024-10-18 03:03:12,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:03:12,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487794463] [2024-10-18 03:03:12,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:12,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:12,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 03:03:12,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:03:12,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487794463] [2024-10-18 03:03:12,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487794463] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:03:12,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 03:03:12,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 03:03:12,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898093371] [2024-10-18 03:03:12,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:03:12,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 03:03:12,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:03:12,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 03:03:12,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 03:03:12,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:12,800 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:03:12,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:03:12,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:12,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:12,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:12,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:12,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-18 03:03:12,900 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:03:12,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:03:12,901 INFO L85 PathProgramCache]: Analyzing trace with hash 938207830, now seen corresponding path program 1 times [2024-10-18 03:03:12,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:03:12,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741116777] [2024-10-18 03:03:12,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:12,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:13,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 03:03:13,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:03:13,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741116777] [2024-10-18 03:03:13,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741116777] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:03:13,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288989579] [2024-10-18 03:03:13,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:13,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:13,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:03:13,138 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:03:13,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 03:03:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:13,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 03:03:13,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:03:13,428 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 03:03:13,428 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:03:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 03:03:13,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288989579] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:03:13,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:03:13,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-18 03:03:13,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930788732] [2024-10-18 03:03:13,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:03:13,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-18 03:03:13,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:03:13,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-18 03:03:13,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-18 03:03:13,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:13,589 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:03:13,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:03:13,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:13,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:13,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:13,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:13,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:13,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:13,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 03:03:13,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-18 03:03:13,908 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:03:13,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:03:13,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1316811904, now seen corresponding path program 2 times [2024-10-18 03:03:13,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:03:13,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205226594] [2024-10-18 03:03:13,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:13,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:14,743 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 03:03:14,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:03:14,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205226594] [2024-10-18 03:03:14,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205226594] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:03:14,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436041153] [2024-10-18 03:03:14,745 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 03:03:14,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:14,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:03:14,747 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:03:14,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 03:03:14,852 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 03:03:14,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:03:14,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-18 03:03:14,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:03:15,060 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 03:03:15,061 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 24 treesize of output 17 [2024-10-18 03:03:15,212 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 03:03:15,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:03:15,407 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 03:03:15,408 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 24 treesize of output 11 [2024-10-18 03:03:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 03:03:15,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436041153] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:03:15,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:03:15,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-10-18 03:03:15,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709795042] [2024-10-18 03:03:15,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:03:15,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-18 03:03:15,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:03:15,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-18 03:03:15,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2024-10-18 03:03:15,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:15,710 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:03:15,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.304347826086956) internal successors, (99), 22 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:03:15,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:15,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:15,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:15,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:16,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-18 03:03:16,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:16,378 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:03:16,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:03:16,379 INFO L85 PathProgramCache]: Analyzing trace with hash 75137485, now seen corresponding path program 1 times [2024-10-18 03:03:16,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:03:16,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711953130] [2024-10-18 03:03:16,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:16,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:16,583 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 03:03:16,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:03:16,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711953130] [2024-10-18 03:03:16,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711953130] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:03:16,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239766742] [2024-10-18 03:03:16,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:16,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:16,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:03:16,587 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:03:16,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 03:03:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:16,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 03:03:16,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:03:16,797 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 03:03:16,797 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:03:16,912 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 03:03:16,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239766742] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:03:16,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:03:16,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-10-18 03:03:16,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207601009] [2024-10-18 03:03:16,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:03:16,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-18 03:03:16,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:03:16,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-18 03:03:16,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-18 03:03:16,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:16,915 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:03:16,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:03:16,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:16,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:16,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:16,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:16,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:17,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:17,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:17,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:17,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:17,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:17,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-18 03:03:17,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:17,233 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:03:17,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:03:17,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1738964136, now seen corresponding path program 2 times [2024-10-18 03:03:17,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:03:17,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911881390] [2024-10-18 03:03:17,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:17,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 03:03:17,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:03:17,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911881390] [2024-10-18 03:03:17,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911881390] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:03:17,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613918684] [2024-10-18 03:03:17,921 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 03:03:17,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:17,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:03:17,923 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:03:17,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 03:03:18,047 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 03:03:18,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:03:18,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-18 03:03:18,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:03:18,128 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 25 treesize of output 1 [2024-10-18 03:03:18,160 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 23 treesize of output 1 [2024-10-18 03:03:18,340 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 26 treesize of output 8 [2024-10-18 03:03:18,370 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 03:03:18,371 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:03:18,912 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 54 treesize of output 50 [2024-10-18 03:03:18,933 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 03:03:18,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 244 treesize of output 223 [2024-10-18 03:03:19,070 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 03:03:19,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613918684] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:03:19,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:03:19,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 27 [2024-10-18 03:03:19,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623612967] [2024-10-18 03:03:19,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:03:19,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-18 03:03:19,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:03:19,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-18 03:03:19,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=614, Unknown=0, NotChecked=0, Total=756 [2024-10-18 03:03:19,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:19,077 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:03:19,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.035714285714286) internal successors, (113), 27 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:03:19,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:19,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:19,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:19,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:19,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:19,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:20,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:20,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:20,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:20,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:20,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:20,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-18 03:03:20,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-18 03:03:20,274 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:03:20,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:03:20,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1628901389, now seen corresponding path program 1 times [2024-10-18 03:03:20,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:03:20,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104624274] [2024-10-18 03:03:20,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:20,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:21,740 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 03:03:21,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:03:21,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104624274] [2024-10-18 03:03:21,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104624274] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:03:21,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898673319] [2024-10-18 03:03:21,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:21,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:21,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:03:21,744 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:03:21,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 03:03:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:21,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-18 03:03:21,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:03:22,034 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-18 03:03:22,035 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:03:22,098 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 03:03:22,098 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 25 treesize of output 12 [2024-10-18 03:03:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-18 03:03:22,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898673319] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:03:22,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:03:22,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 5] total 21 [2024-10-18 03:03:22,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201390539] [2024-10-18 03:03:22,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:03:22,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-18 03:03:22,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:03:22,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-18 03:03:22,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2024-10-18 03:03:22,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:22,144 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:03:22,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.681818181818182) internal successors, (103), 21 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:03:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:22,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:22,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:22,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:23,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:23,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:23,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:23,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:23,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:23,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:23,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 03:03:23,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-18 03:03:23,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:23,396 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:03:23,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:03:23,444 INFO L85 PathProgramCache]: Analyzing trace with hash -107184309, now seen corresponding path program 2 times [2024-10-18 03:03:23,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:03:23,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541467842] [2024-10-18 03:03:23,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:23,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:23,908 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 19 proven. 61 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 03:03:23,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:03:23,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541467842] [2024-10-18 03:03:23,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541467842] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:03:23,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425452495] [2024-10-18 03:03:23,909 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 03:03:23,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:23,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:03:23,911 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:03:23,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-18 03:03:24,032 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 03:03:24,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:03:24,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-18 03:03:24,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:03:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 46 proven. 34 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 03:03:24,526 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:03:25,187 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 41 proven. 39 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 03:03:25,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425452495] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:03:25,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:03:25,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 39 [2024-10-18 03:03:25,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111766460] [2024-10-18 03:03:25,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:03:25,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-10-18 03:03:25,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:03:25,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-10-18 03:03:25,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=376, Invalid=1184, Unknown=0, NotChecked=0, Total=1560 [2024-10-18 03:03:25,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:25,194 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:03:25,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.8) internal successors, (192), 39 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:03:25,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:25,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:25,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:25,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:25,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:25,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:25,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 03:03:25,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:25,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:25,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:25,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:25,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:25,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:25,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:25,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 03:03:25,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:03:25,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-18 03:03:25,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-18 03:03:25,723 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:03:25,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:03:25,766 INFO L85 PathProgramCache]: Analyzing trace with hash 539209825, now seen corresponding path program 3 times [2024-10-18 03:03:25,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:03:25,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328643289] [2024-10-18 03:03:25,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:25,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:26,134 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 16 proven. 52 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-18 03:03:26,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:03:26,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328643289] [2024-10-18 03:03:26,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328643289] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:03:26,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186929981] [2024-10-18 03:03:26,135 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 03:03:26,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:26,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:03:26,137 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:03:26,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 03:03:26,389 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-18 03:03:26,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:03:26,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-10-18 03:03:26,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:03:26,425 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 25 treesize of output 1 [2024-10-18 03:03:26,446 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 25 treesize of output 1 [2024-10-18 03:03:26,472 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 23 treesize of output 1 [2024-10-18 03:03:26,623 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 03:03:26,624 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 25 treesize of output 18 [2024-10-18 03:03:26,791 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 49 proven. 13 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-18 03:03:26,792 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:03:27,677 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 70 treesize of output 66 [2024-10-18 03:03:27,689 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 03:03:27,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 646 treesize of output 619 [2024-10-18 03:03:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 13 proven. 49 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-18 03:03:27,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186929981] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:03:27,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:03:27,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 12] total 29 [2024-10-18 03:03:27,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632935315] [2024-10-18 03:03:27,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:03:27,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-18 03:03:27,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:03:27,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-18 03:03:27,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=641, Unknown=0, NotChecked=0, Total=812 [2024-10-18 03:03:27,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:27,804 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:03:27,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.758620689655173) internal successors, (138), 29 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:03:27,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:27,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:27,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:27,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:27,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:27,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:27,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 03:03:27,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:03:27,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:28,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 03:03:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:03:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:28,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-18 03:03:28,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:28,438 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:03:28,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:03:28,483 INFO L85 PathProgramCache]: Analyzing trace with hash -135614618, now seen corresponding path program 4 times [2024-10-18 03:03:28,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:03:28,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369467538] [2024-10-18 03:03:28,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:28,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:29,465 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 80 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 03:03:29,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:03:29,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369467538] [2024-10-18 03:03:29,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369467538] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:03:29,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692509986] [2024-10-18 03:03:29,466 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 03:03:29,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:29,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:03:29,468 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) [2024-10-18 03:03:29,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 03:03:29,643 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 03:03:29,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:03:29,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-18 03:03:29,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:03:30,191 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 24 treesize of output 8 [2024-10-18 03:03:30,226 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 40 proven. 22 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-18 03:03:30,226 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:03:30,457 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 03:03:30,458 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 24 treesize of output 11 [2024-10-18 03:03:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-18 03:03:30,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692509986] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:03:30,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:03:30,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 15] total 46 [2024-10-18 03:03:30,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80121135] [2024-10-18 03:03:30,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:03:30,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-10-18 03:03:30,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:03:30,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-10-18 03:03:30,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=1855, Unknown=0, NotChecked=0, Total=2162 [2024-10-18 03:03:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:30,857 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:03:30,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.8297872340425534) internal successors, (180), 46 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:03:30,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:30,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:30,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:30,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:30,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:30,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:30,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 03:03:30,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:03:30,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:30,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:03:32,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:32,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:03:32,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-18 03:03:32,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-18 03:03:32,212 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:03:32,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:03:32,213 INFO L85 PathProgramCache]: Analyzing trace with hash 411472906, now seen corresponding path program 5 times [2024-10-18 03:03:32,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:03:32,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50576908] [2024-10-18 03:03:32,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:32,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:34,137 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 17 proven. 44 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 03:03:34,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:03:34,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50576908] [2024-10-18 03:03:34,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50576908] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:03:34,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607249257] [2024-10-18 03:03:34,138 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 03:03:34,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:34,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:03:34,140 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) [2024-10-18 03:03:34,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-18 03:03:34,384 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-10-18 03:03:34,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:03:34,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-18 03:03:34,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:03:34,530 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 24 treesize of output 8 [2024-10-18 03:03:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-18 03:03:34,548 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:03:34,602 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 03:03:34,602 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 24 treesize of output 11 [2024-10-18 03:03:34,794 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-18 03:03:34,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607249257] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:03:34,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:03:34,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 7, 7] total 31 [2024-10-18 03:03:34,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406426823] [2024-10-18 03:03:34,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:03:34,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-18 03:03:34,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:03:34,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-18 03:03:34,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=874, Unknown=0, NotChecked=0, Total=992 [2024-10-18 03:03:34,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:34,797 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:03:34,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.46875) internal successors, (143), 31 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:03:34,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:34,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:34,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:34,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:34,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:34,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:34,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:34,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:03:34,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:34,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:03:34,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:36,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:36,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:36,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:03:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:03:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:36,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-18 03:03:36,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-18 03:03:36,463 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:03:36,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:03:36,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1386585930, now seen corresponding path program 6 times [2024-10-18 03:03:36,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:03:36,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150403961] [2024-10-18 03:03:36,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:36,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:38,165 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 11 proven. 106 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 03:03:38,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:03:38,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150403961] [2024-10-18 03:03:38,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150403961] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:03:38,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794643918] [2024-10-18 03:03:38,165 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 03:03:38,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:38,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:03:38,167 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) [2024-10-18 03:03:38,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-18 03:03:38,510 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-10-18 03:03:38,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:03:38,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-10-18 03:03:38,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:03:38,843 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 17 proven. 79 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-18 03:03:38,843 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:03:38,936 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-10-18 03:03:38,937 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 26 treesize of output 14 [2024-10-18 03:03:38,988 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 17 proven. 52 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-18 03:03:38,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794643918] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:03:38,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:03:38,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 13, 6] total 35 [2024-10-18 03:03:38,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246042121] [2024-10-18 03:03:38,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:03:38,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-10-18 03:03:38,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:03:38,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-10-18 03:03:38,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1149, Unknown=0, NotChecked=0, Total=1260 [2024-10-18 03:03:38,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:38,991 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:03:38,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.388888888888889) internal successors, (158), 35 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:03:38,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:38,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:38,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:38,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:38,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:38,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:38,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:38,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:03:38,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:38,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:03:38,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:38,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:03:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:03:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:40,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:03:40,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-18 03:03:40,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:40,328 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:03:40,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:03:40,359 INFO L85 PathProgramCache]: Analyzing trace with hash -809340733, now seen corresponding path program 7 times [2024-10-18 03:03:40,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:03:40,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253359199] [2024-10-18 03:03:40,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:40,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:41,620 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 43 proven. 153 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 03:03:41,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:03:41,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253359199] [2024-10-18 03:03:41,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253359199] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:03:41,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562814610] [2024-10-18 03:03:41,621 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 03:03:41,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:41,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:03:41,622 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) [2024-10-18 03:03:41,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-18 03:03:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:41,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-10-18 03:03:41,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:03:43,015 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 9 treesize of output 3 [2024-10-18 03:03:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 32 proven. 164 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 03:03:43,055 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:03:43,404 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-10-18 03:03:43,405 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 25 treesize of output 13 [2024-10-18 03:03:44,266 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 21 proven. 175 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 03:03:44,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562814610] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:03:44,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:03:44,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23, 24] total 67 [2024-10-18 03:03:44,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18158998] [2024-10-18 03:03:44,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:03:44,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-10-18 03:03:44,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:03:44,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-10-18 03:03:44,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=866, Invalid=3690, Unknown=0, NotChecked=0, Total=4556 [2024-10-18 03:03:44,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:44,271 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:03:44,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 4.102941176470588) internal successors, (279), 67 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:03:44,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:44,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:44,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:44,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:44,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:44,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:44,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:44,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:03:44,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:44,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:03:44,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:44,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:03:44,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:45,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:45,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:45,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:45,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:03:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:03:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:03:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 03:03:45,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-18 03:03:45,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-18 03:03:45,492 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:03:45,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:03:45,530 INFO L85 PathProgramCache]: Analyzing trace with hash 454236762, now seen corresponding path program 8 times [2024-10-18 03:03:45,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:03:45,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128219975] [2024-10-18 03:03:45,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:45,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:47,098 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 72 proven. 200 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 03:03:47,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:03:47,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128219975] [2024-10-18 03:03:47,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128219975] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:03:47,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935680189] [2024-10-18 03:03:47,099 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 03:03:47,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:03:47,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:03:47,100 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) [2024-10-18 03:03:47,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-18 03:03:47,259 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 03:03:47,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:03:47,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-18 03:03:47,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:03:47,651 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 28 proven. 218 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-10-18 03:03:47,651 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:03:47,825 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-10-18 03:03:47,826 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 25 treesize of output 13 [2024-10-18 03:03:47,901 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 28 proven. 179 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-10-18 03:03:47,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935680189] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:03:47,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:03:47,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 16, 10] total 44 [2024-10-18 03:03:47,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088592379] [2024-10-18 03:03:47,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:03:47,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-10-18 03:03:47,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:03:47,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-10-18 03:03:47,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1801, Unknown=0, NotChecked=0, Total=1980 [2024-10-18 03:03:47,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:47,903 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:03:47,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.155555555555556) internal successors, (232), 44 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:03:47,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:47,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:47,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:03:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:03:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:03:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 03:03:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:49,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:49,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:49,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:49,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:03:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:03:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:03:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 03:03:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 03:03:49,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-18 03:03:49,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-18 03:03:49,350 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:03:49,480 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 12 treesize of output 4 [2024-10-18 03:03:51,555 INFO L85 PathProgramCache]: Analyzing trace with hash -503528363, now seen corresponding path program 1 times [2024-10-18 03:03:51,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:51,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:51,690 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-18 03:03:51,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:51,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:03:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-18 03:03:51,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 03:03:51,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 03:03:51,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-18 03:03:51,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:51,800 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:03:51,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:03:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:03:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:03:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:03:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 03:03:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-18 03:03:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:03:52,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:03:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:03:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:03:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:03:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:03:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:03:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:03:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 03:03:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 03:03:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-18 03:03:52,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:03:52,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-10-18 03:03:52,749 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:03:52,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:03:52,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1024801737, now seen corresponding path program 9 times [2024-10-18 03:03:52,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:03:52,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380369837] [2024-10-18 03:03:52,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:03:52,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:03:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:05:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:05:10,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:05:10,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380369837] [2024-10-18 03:05:10,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380369837] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:05:10,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456491205] [2024-10-18 03:05:10,958 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 03:05:10,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:05:10,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:05:10,959 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) [2024-10-18 03:05:10,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-18 03:05:11,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-18 03:05:11,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:05:11,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-10-18 03:05:11,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:05:12,776 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-18 03:05:12,777 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:05:24,425 INFO L349 Elim1Store]: treesize reduction 38, result has 90.1 percent of original size [2024-10-18 03:05:24,425 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 93 treesize of output 371 [2024-10-18 03:05:27,737 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-18 03:05:27,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456491205] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:05:27,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:05:27,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 18, 18] total 74 [2024-10-18 03:05:27,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837143822] [2024-10-18 03:05:27,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:05:27,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-10-18 03:05:27,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:05:27,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-10-18 03:05:27,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=5303, Unknown=5, NotChecked=0, Total=5550 [2024-10-18 03:05:27,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:05:27,741 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:05:27,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 2.32) internal successors, (174), 74 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:05:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:05:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:05:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:05:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:05:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:05:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:05:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:05:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:05:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:05:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:05:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:05:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 03:05:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 03:05:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-18 03:05:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:05:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:05:39,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:05:41,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:05:43,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:05:45,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:05:47,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:05:49,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:05:51,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:05:53,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:05:55,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:05:57,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:07,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:09,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:11,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:13,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:15,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:17,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:20,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:22,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:24,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:26,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-10-18 03:06:28,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:30,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:32,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:34,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:36,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:38,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-10-18 03:06:40,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:42,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:44,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:46,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:48,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:50,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:52,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:54,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:56,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:06:58,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:00,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:12,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:14,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:16,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:18,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:20,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:22,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:24,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:27,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:29,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:31,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:33,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:34,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:36,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:38,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:40,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:42,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-18 03:07:52,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-10-18 03:07:54,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-10-18 03:07:56,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-10-18 03:07:58,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-10-18 03:08:00,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-10-18 03:08:08,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-10-18 03:08:10,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-10-18 03:08:12,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-10-18 03:08:14,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-10-18 03:08:16,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-10-18 03:08:18,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-10-18 03:08:20,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-10-18 03:08:22,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-10-18 03:08:27,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:08:27,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:08:27,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:08:27,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:08:27,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:08:27,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 03:08:27,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:08:27,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:08:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:08:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 03:08:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 03:08:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 03:08:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 03:08:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-18 03:08:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:08:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-10-18 03:08:27,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-18 03:08:27,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-18 03:08:27,495 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:08:27,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:08:27,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1585961915, now seen corresponding path program 10 times [2024-10-18 03:08:27,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:08:27,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856830779] [2024-10-18 03:08:27,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:08:27,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:08:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:09:00,411 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 13 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:09:00,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:09:00,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856830779] [2024-10-18 03:09:00,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856830779] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:09:00,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817101008] [2024-10-18 03:09:00,411 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 03:09:00,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:09:00,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:09:00,414 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) [2024-10-18 03:09:00,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-18 03:09:00,581 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 03:09:00,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:09:00,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-10-18 03:09:00,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:09:05,037 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-18 03:09:05,037 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:09:19,802 INFO L349 Elim1Store]: treesize reduction 76, result has 95.2 percent of original size [2024-10-18 03:09:19,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 195 treesize of output 1538 [2024-10-18 03:13:23,241 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-10-18 03:13:23,243 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-10-18 03:13:23,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-10-18 03:13:23,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-18 03:13:23,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-18 03:13:23,444 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:309) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:307) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 70 more [2024-10-18 03:13:23,449 INFO L158 Benchmark]: Toolchain (without parser) took 613904.47ms. Allocated memory was 155.2MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 98.8MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-10-18 03:13:23,449 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 03:13:23,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.41ms. Allocated memory is still 155.2MB. Free memory was 98.8MB in the beginning and 122.0MB in the end (delta: -23.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-18 03:13:23,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.14ms. Allocated memory is still 155.2MB. Free memory was 122.0MB in the beginning and 119.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 03:13:23,450 INFO L158 Benchmark]: Boogie Preprocessor took 39.17ms. Allocated memory is still 155.2MB. Free memory was 119.8MB in the beginning and 117.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 03:13:23,450 INFO L158 Benchmark]: RCFGBuilder took 907.76ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 117.9MB in the beginning and 153.2MB in the end (delta: -35.3MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2024-10-18 03:13:23,450 INFO L158 Benchmark]: TraceAbstraction took 612585.36ms. Allocated memory was 192.9MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 152.1MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-10-18 03:13:23,452 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.41ms. Allocated memory is still 155.2MB. Free memory was 98.8MB in the beginning and 122.0MB in the end (delta: -23.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.14ms. Allocated memory is still 155.2MB. Free memory was 122.0MB in the beginning and 119.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.17ms. Allocated memory is still 155.2MB. Free memory was 119.8MB in the beginning and 117.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 907.76ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 117.9MB in the beginning and 153.2MB in the end (delta: -35.3MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. * TraceAbstraction took 612585.36ms. Allocated memory was 192.9MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 152.1MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-18 03:13:23,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/popl20-queue-add-3.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 03:13:25,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 03:13:25,845 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-10-18 03:13:25,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 03:13:25,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 03:13:25,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 03:13:25,892 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 03:13:25,893 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 03:13:25,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 03:13:25,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 03:13:25,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 03:13:25,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 03:13:25,895 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 03:13:25,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 03:13:25,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 03:13:25,898 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 03:13:25,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 03:13:25,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 03:13:25,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 03:13:25,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 03:13:25,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 03:13:25,902 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-18 03:13:25,903 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 03:13:25,903 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-18 03:13:25,903 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 03:13:25,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 03:13:25,904 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 03:13:25,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 03:13:25,904 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 03:13:25,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 03:13:25,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 03:13:25,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 03:13:25,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 03:13:25,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 03:13:25,906 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 03:13:25,907 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-18 03:13:25,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 03:13:25,908 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 03:13:25,908 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-18 03:13:25,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 03:13:25,909 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-18 03:13:25,909 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 03:13:25,909 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 03:13:25,910 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 -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Seed for random criterion -> 546 [2024-10-18 03:13:26,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 03:13:26,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 03:13:26,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 03:13:26,261 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 03:13:26,261 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 03:13:26,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2024-10-18 03:13:27,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 03:13:27,968 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 03:13:27,969 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2024-10-18 03:13:27,982 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8b223e53c/e354847a4cf44f5ebf27458935ca69d5/FLAG0f8990f25 [2024-10-18 03:13:27,997 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8b223e53c/e354847a4cf44f5ebf27458935ca69d5 [2024-10-18 03:13:28,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 03:13:28,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 03:13:28,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 03:13:28,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 03:13:28,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 03:13:28,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 03:13:27" (1/1) ... [2024-10-18 03:13:28,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1062789f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:13:28, skipping insertion in model container [2024-10-18 03:13:28,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 03:13:27" (1/1) ... [2024-10-18 03:13:28,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 03:13:28,275 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/popl20-queue-add-3.wvr.c[3451,3464] [2024-10-18 03:13:28,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 03:13:28,303 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 03:13:28,331 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/popl20-queue-add-3.wvr.c[3451,3464] [2024-10-18 03:13:28,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 03:13:28,355 INFO L204 MainTranslator]: Completed translation [2024-10-18 03:13:28,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:13:28 WrapperNode [2024-10-18 03:13:28,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 03:13:28,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 03:13:28,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 03:13:28,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 03:13:28,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:13:28" (1/1) ... [2024-10-18 03:13:28,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:13:28" (1/1) ... [2024-10-18 03:13:28,407 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 232 [2024-10-18 03:13:28,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 03:13:28,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 03:13:28,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 03:13:28,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 03:13:28,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:13:28" (1/1) ... [2024-10-18 03:13:28,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:13:28" (1/1) ... [2024-10-18 03:13:28,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:13:28" (1/1) ... [2024-10-18 03:13:28,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:13:28" (1/1) ... [2024-10-18 03:13:28,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:13:28" (1/1) ... [2024-10-18 03:13:28,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:13:28" (1/1) ... [2024-10-18 03:13:28,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:13:28" (1/1) ... [2024-10-18 03:13:28,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:13:28" (1/1) ... [2024-10-18 03:13:28,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 03:13:28,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 03:13:28,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 03:13:28,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 03:13:28,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:13:28" (1/1) ... [2024-10-18 03:13:28,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 03:13:28,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:13:28,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 03:13:28,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 03:13:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 03:13:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-18 03:13:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-10-18 03:13:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 03:13:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 03:13:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 03:13:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 03:13:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 03:13:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 03:13:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 03:13:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 03:13:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-18 03:13:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 03:13:28,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 03:13:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-10-18 03:13:28,532 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 03:13:28,645 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 03:13:28,647 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 03:13:29,079 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 03:13:29,080 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 03:13:29,377 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 03:13:29,378 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-18 03:13:29,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 03:13:29 BoogieIcfgContainer [2024-10-18 03:13:29,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 03:13:29,394 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 03:13:29,395 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 03:13:29,398 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 03:13:29,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 03:13:27" (1/3) ... [2024-10-18 03:13:29,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3d263b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 03:13:29, skipping insertion in model container [2024-10-18 03:13:29,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:13:28" (2/3) ... [2024-10-18 03:13:29,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3d263b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 03:13:29, skipping insertion in model container [2024-10-18 03:13:29,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 03:13:29" (3/3) ... [2024-10-18 03:13:29,403 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-3.wvr.c [2024-10-18 03:13:29,420 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 03:13:29,420 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 03:13:29,421 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 03:13:29,479 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-18 03:13:29,528 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 03:13:29,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 03:13:29,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:13:29,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 03:13:29,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 03:13:29,647 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 03:13:29,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:13:29,668 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 03:13:29,675 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@51df4af1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546, mConComCheckerConditionCriterion=false [2024-10-18 03:13:29,675 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 03:13:30,549 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:13:30,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:13:30,552 INFO L85 PathProgramCache]: Analyzing trace with hash -382470605, now seen corresponding path program 1 times [2024-10-18 03:13:30,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-18 03:13:30,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418032413] [2024-10-18 03:13:30,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:13:30,566 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-18 03:13:30,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-18 03:13:30,570 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-18 03:13:30,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-18 03:13:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:13:30,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-18 03:13:30,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:13:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:13:30,796 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 03:13:30,797 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-18 03:13:30,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [418032413] [2024-10-18 03:13:30,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [418032413] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:13:30,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 03:13:30,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 03:13:30,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878242897] [2024-10-18 03:13:30,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:13:30,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 03:13:30,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-18 03:13:30,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 03:13:30,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 03:13:30,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:13:30,833 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:13:30,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:13:30,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:13:31,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:13:31,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-18 03:13:31,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-18 03:13:31,412 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:13:31,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:13:31,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1668161600, now seen corresponding path program 1 times [2024-10-18 03:13:31,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-18 03:13:31,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730558965] [2024-10-18 03:13:31,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:13:31,414 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-18 03:13:31,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-18 03:13:31,416 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-18 03:13:31,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-18 03:13:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:13:31,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-18 03:13:31,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:13:31,796 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 03:13:31,796 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 03:13:31,797 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-18 03:13:31,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730558965] [2024-10-18 03:13:31,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730558965] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:13:31,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 03:13:31,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 03:13:31,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705221222] [2024-10-18 03:13:31,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:13:31,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 03:13:31,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-18 03:13:31,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 03:13:31,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-18 03:13:31,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:13:31,801 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:13:31,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 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) [2024-10-18 03:13:31,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:13:31,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:13:32,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:13:32,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:13:32,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-10-18 03:13:32,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-18 03:13:32,453 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:13:32,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:13:32,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1410400864, now seen corresponding path program 1 times [2024-10-18 03:13:32,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-18 03:13:32,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [193108086] [2024-10-18 03:13:32,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:13:32,455 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-18 03:13:32,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-18 03:13:32,459 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-18 03:13:32,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-18 03:13:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:13:32,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-18 03:13:32,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:13:32,698 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 03:13:32,699 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:13:32,769 INFO L349 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2024-10-18 03:13:32,771 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 25 treesize of output 16 [2024-10-18 03:13:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 03:13:32,894 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-18 03:13:32,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [193108086] [2024-10-18 03:13:32,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [193108086] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:13:32,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-18 03:13:32,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-18 03:13:32,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793241838] [2024-10-18 03:13:32,895 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-18 03:13:32,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-18 03:13:32,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-18 03:13:32,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-18 03:13:32,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-18 03:13:32,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:13:32,897 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:13:32,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:13:32,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:13:32,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:13:32,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:13:33,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:13:33,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:13:33,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 03:13:33,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-10-18 03:13:33,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-18 03:13:33,915 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:13:34,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:13:34,031 INFO L85 PathProgramCache]: Analyzing trace with hash -143094176, now seen corresponding path program 2 times [2024-10-18 03:13:34,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-18 03:13:34,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290726857] [2024-10-18 03:13:34,031 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 03:13:34,032 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-18 03:13:34,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-18 03:13:34,038 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-18 03:13:34,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-10-18 03:13:34,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-18 03:13:34,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:13:34,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-18 03:13:34,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:13:34,334 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-18 03:13:34,335 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 03:13:34,335 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-18 03:13:34,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1290726857] [2024-10-18 03:13:34,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1290726857] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:13:34,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 03:13:34,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 03:13:34,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091694626] [2024-10-18 03:13:34,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:13:34,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 03:13:34,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-18 03:13:34,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 03:13:34,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 03:13:34,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:13:34,338 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:13:34,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:13:34,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:13:34,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:13:34,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 03:13:34,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:13:34,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:13:34,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:13:34,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 03:13:34,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:13:34,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-10-18 03:13:34,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-18 03:13:34,639 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:13:35,017 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 12 treesize of output 4 [2024-10-18 03:13:37,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1410827263, now seen corresponding path program 1 times [2024-10-18 03:13:37,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:13:37,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:13:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:13:39,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 03:13:39,736 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 23829 column 267: unknown constant nat2bv (Int) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:584) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.postprocessInterpolant(NestedInterpolantsBuilder.java:393) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.buildPredicates(NestedInterpolantsBuilder.java:360) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:156) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:320) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:222) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraigSleepSetPOR.construct(IpTcStrategyModuleCraigSleepSetPOR.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraigSleepSetPOR.construct(IpTcStrategyModuleCraigSleepSetPOR.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.PostConditionTraceChecker.checkTrace(PostConditionTraceChecker.java:110) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityChecker.checkConditionalCommutativity(ConditionalCommutativityChecker.java:222) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCounterexampleChecker.getInterpolants(ConditionalCommutativityCounterexampleChecker.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:307) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-18 03:13:39,740 INFO L158 Benchmark]: Toolchain (without parser) took 11736.66ms. Allocated memory was 79.7MB in the beginning and 182.5MB in the end (delta: 102.8MB). Free memory was 46.4MB in the beginning and 95.5MB in the end (delta: -49.1MB). Peak memory consumption was 81.0MB. Max. memory is 16.1GB. [2024-10-18 03:13:39,740 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 50.3MB. Free memory was 33.0MB in the beginning and 32.9MB in the end (delta: 71.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 03:13:39,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.47ms. Allocated memory is still 79.7MB. Free memory was 46.2MB in the beginning and 51.9MB in the end (delta: -5.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-10-18 03:13:39,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.06ms. Allocated memory is still 79.7MB. Free memory was 51.9MB in the beginning and 49.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 03:13:39,744 INFO L158 Benchmark]: Boogie Preprocessor took 52.18ms. Allocated memory is still 79.7MB. Free memory was 49.5MB in the beginning and 47.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 03:13:39,745 INFO L158 Benchmark]: RCFGBuilder took 916.05ms. Allocated memory is still 79.7MB. Free memory was 47.1MB in the beginning and 25.6MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-18 03:13:39,745 INFO L158 Benchmark]: TraceAbstraction took 10344.58ms. Allocated memory was 104.9MB in the beginning and 182.5MB in the end (delta: 77.6MB). Free memory was 79.3MB in the beginning and 95.5MB in the end (delta: -16.2MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. [2024-10-18 03:13:39,747 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90ms. Allocated memory is still 50.3MB. Free memory was 33.0MB in the beginning and 32.9MB in the end (delta: 71.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.47ms. Allocated memory is still 79.7MB. Free memory was 46.2MB in the beginning and 51.9MB in the end (delta: -5.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.06ms. Allocated memory is still 79.7MB. Free memory was 51.9MB in the beginning and 49.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.18ms. Allocated memory is still 79.7MB. Free memory was 49.5MB in the beginning and 47.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 916.05ms. Allocated memory is still 79.7MB. Free memory was 47.1MB in the beginning and 25.6MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10344.58ms. Allocated memory was 104.9MB in the beginning and 182.5MB in the end (delta: 77.6MB). Free memory was 79.3MB in the beginning and 95.5MB in the end (delta: -16.2MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 23829 column 267: unknown constant nat2bv (Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 23829 column 267: unknown constant nat2bv (Int) : de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-18 03:13:39,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-18 03:13:39,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 1 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: line 23829 column 267: unknown constant nat2bv (Int)