./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k --witnessprinter.witness.filename witness.graphml --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 ceb4cfb737a49cea9ea1be451c16ebb29f48ae611a8c94fc546ca2e3471f0eb3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 01:41:10,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:41:10,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:41:10,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:41:10,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:41:10,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:41:10,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:41:10,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:41:10,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:41:10,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:41:10,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:41:10,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:41:10,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:41:10,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:41:10,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:41:10,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:41:10,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:41:10,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:41:10,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:41:10,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:41:10,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:41:10,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:41:10,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:41:10,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:41:10,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:41:10,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:41:10,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:41:10,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:41:10,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:41:10,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:41:10,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:41:10,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:41:10,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:41:10,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:41:10,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:41:10,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:41:10,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:41:10,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:41:10,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:41:10,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:41:10,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:41:10,273 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-18 01:41:10,302 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:41:10,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:41:10,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:41:10,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:41:10,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:41:10,303 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:41:10,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:41:10,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:41:10,304 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:41:10,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:41:10,305 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:41:10,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 01:41:10,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:41:10,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:41:10,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 01:41:10,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:41:10,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 01:41:10,306 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:41:10,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 01:41:10,306 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:41:10,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 01:41:10,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:41:10,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:41:10,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-18 01:41:10,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:41:10,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:41:10,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:41:10,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:41:10,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 01:41:10,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 01:41:10,308 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-18 01:41:10,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 01:41:10,309 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:41:10,309 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:41:10,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 01:41:10,309 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:41:10,309 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:41:10,312 INFO L138 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceb4cfb737a49cea9ea1be451c16ebb29f48ae611a8c94fc546ca2e3471f0eb3 [2022-11-18 01:41:10,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:41:10,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:41:10,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:41:10,631 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:41:10,632 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:41:10,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c [2022-11-18 01:41:10,708 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/data/85e13bbd9/e6193ed77469446da3137de4f062d360/FLAG46b2b833b [2022-11-18 01:41:11,305 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:41:11,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c [2022-11-18 01:41:11,314 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/data/85e13bbd9/e6193ed77469446da3137de4f062d360/FLAG46b2b833b [2022-11-18 01:41:11,718 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/data/85e13bbd9/e6193ed77469446da3137de4f062d360 [2022-11-18 01:41:11,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:41:11,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:41:11,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:41:11,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:41:11,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:41:11,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:41:11" (1/1) ... [2022-11-18 01:41:11,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6c2aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:11, skipping insertion in model container [2022-11-18 01:41:11,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:41:11" (1/1) ... [2022-11-18 01:41:11,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:41:11,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:41:12,021 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599] [2022-11-18 01:41:12,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:41:12,040 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 01:41:12,066 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599] [2022-11-18 01:41:12,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:41:12,086 INFO L208 MainTranslator]: Completed translation [2022-11-18 01:41:12,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:12 WrapperNode [2022-11-18 01:41:12,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:41:12,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 01:41:12,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 01:41:12,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 01:41:12,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:12" (1/1) ... [2022-11-18 01:41:12,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:12" (1/1) ... [2022-11-18 01:41:12,131 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 102 [2022-11-18 01:41:12,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 01:41:12,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 01:41:12,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 01:41:12,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 01:41:12,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:12" (1/1) ... [2022-11-18 01:41:12,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:12" (1/1) ... [2022-11-18 01:41:12,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:12" (1/1) ... [2022-11-18 01:41:12,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:12" (1/1) ... [2022-11-18 01:41:12,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:12" (1/1) ... [2022-11-18 01:41:12,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:12" (1/1) ... [2022-11-18 01:41:12,163 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:12" (1/1) ... [2022-11-18 01:41:12,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:12" (1/1) ... [2022-11-18 01:41:12,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 01:41:12,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 01:41:12,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 01:41:12,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 01:41:12,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:12" (1/1) ... [2022-11-18 01:41:12,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:41:12,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:41:12,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 01:41:12,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 01:41:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 01:41:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 01:41:12,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 01:41:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 01:41:12,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 01:41:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 01:41:12,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 01:41:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 01:41:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 01:41:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 01:41:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 01:41:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 01:41:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 01:41:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 01:41:12,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 01:41:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 01:41:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 01:41:12,264 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 01:41:12,367 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 01:41:12,370 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 01:41:12,784 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 01:41:12,858 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 01:41:12,858 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 01:41:12,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:41:12 BoogieIcfgContainer [2022-11-18 01:41:12,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 01:41:12,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 01:41:12,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 01:41:12,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 01:41:12,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:41:11" (1/3) ... [2022-11-18 01:41:12,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5530dfd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:41:12, skipping insertion in model container [2022-11-18 01:41:12,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:12" (2/3) ... [2022-11-18 01:41:12,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5530dfd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:41:12, skipping insertion in model container [2022-11-18 01:41:12,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:41:12" (3/3) ... [2022-11-18 01:41:12,881 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array-hom.wvr.c [2022-11-18 01:41:12,890 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 01:41:12,902 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 01:41:12,902 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 01:41:12,902 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 01:41:13,020 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-18 01:41:13,073 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:41:13,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-18 01:41:13,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:41:13,078 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-18 01:41:13,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-18 01:41:13,123 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-18 01:41:13,152 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-18 01:41:13,159 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@368f2bc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:41:13,159 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-18 01:41:13,504 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:41:13,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:13,515 INFO L85 PathProgramCache]: Analyzing trace with hash -275952594, now seen corresponding path program 1 times [2022-11-18 01:41:13,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:13,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172615531] [2022-11-18 01:41:13,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:13,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:13,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:13,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172615531] [2022-11-18 01:41:13,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172615531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:41:13,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:41:13,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 01:41:13,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080193642] [2022-11-18 01:41:13,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:41:13,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 01:41:13,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:13,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 01:41:13,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 01:41:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:13,937 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:13,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 55.0) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:41:13,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:14,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:14,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 01:41:14,019 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:41:14,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:14,021 INFO L85 PathProgramCache]: Analyzing trace with hash 2072012938, now seen corresponding path program 1 times [2022-11-18 01:41:14,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:14,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193535274] [2022-11-18 01:41:14,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:14,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:14,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:14,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:14,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193535274] [2022-11-18 01:41:14,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193535274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:41:14,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:41:14,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 01:41:14,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868389789] [2022-11-18 01:41:14,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:41:14,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 01:41:14,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:14,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 01:41:14,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-11-18 01:41:14,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:14,773 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:14,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 8 states have internal predecessors, (106), 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) [2022-11-18 01:41:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:15,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:41:15,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 01:41:15,060 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:41:15,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:15,061 INFO L85 PathProgramCache]: Analyzing trace with hash 439153583, now seen corresponding path program 1 times [2022-11-18 01:41:15,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:15,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500104292] [2022-11-18 01:41:15,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:15,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:15,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:15,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:15,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500104292] [2022-11-18 01:41:15,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500104292] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:41:15,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311041310] [2022-11-18 01:41:15,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:15,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:41:15,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:41:15,362 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:41:15,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 01:41:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:15,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 01:41:15,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:41:15,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:15,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:41:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:16,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311041310] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 01:41:16,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:41:16,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-11-18 01:41:16,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615202178] [2022-11-18 01:41:16,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:41:16,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 01:41:16,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:16,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 01:41:16,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-18 01:41:16,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:16,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:16,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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) [2022-11-18 01:41:16,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:16,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:41:16,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:41:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:41:16,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 01:41:16,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:41:16,358 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:41:16,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:16,359 INFO L85 PathProgramCache]: Analyzing trace with hash 232719478, now seen corresponding path program 1 times [2022-11-18 01:41:16,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:16,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517594106] [2022-11-18 01:41:16,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:16,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:16,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:16,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:16,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517594106] [2022-11-18 01:41:16,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517594106] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:41:16,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235319088] [2022-11-18 01:41:16,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:16,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:41:16,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:41:16,662 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:41:16,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 01:41:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:16,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 01:41:16,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:41:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:17,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:41:17,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:17,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235319088] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 01:41:17,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:41:17,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 19 [2022-11-18 01:41:17,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873894331] [2022-11-18 01:41:17,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:41:17,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 01:41:17,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:17,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 01:41:17,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-11-18 01:41:17,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:17,406 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:17,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 9 states have internal predecessors, (118), 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) [2022-11-18 01:41:17,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:17,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:41:17,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:41:17,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:17,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:17,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:41:17,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:41:17,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:41:17,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 01:41:17,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:41:17,872 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:41:17,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:17,872 INFO L85 PathProgramCache]: Analyzing trace with hash 100827375, now seen corresponding path program 1 times [2022-11-18 01:41:17,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:17,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260660415] [2022-11-18 01:41:17,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:17,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:20,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:20,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:20,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260660415] [2022-11-18 01:41:20,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260660415] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:41:20,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985943801] [2022-11-18 01:41:20,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:20,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:41:20,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:41:20,301 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:41:20,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 01:41:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:20,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-18 01:41:20,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:41:21,886 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:41:21,887 INFO L350 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 69 treesize of output 43 [2022-11-18 01:41:22,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:22,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:41:24,099 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:41:24,100 INFO L350 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 127 treesize of output 75 [2022-11-18 01:41:26,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:26,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985943801] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:41:26,445 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:41:26,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 20, 19] total 53 [2022-11-18 01:41:26,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819717638] [2022-11-18 01:41:26,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:41:26,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-11-18 01:41:26,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:26,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-11-18 01:41:26,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=516, Invalid=2240, Unknown=0, NotChecked=0, Total=2756 [2022-11-18 01:41:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:26,449 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:26,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.773584905660377) internal successors, (306), 53 states have internal predecessors, (306), 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) [2022-11-18 01:41:26,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:26,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:41:26,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:41:26,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:41:26,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:30,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:30,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:41:30,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:41:30,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:41:30,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:41:30,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 01:41:30,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:41:30,548 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:41:30,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:30,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1303894886, now seen corresponding path program 2 times [2022-11-18 01:41:30,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:30,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794196641] [2022-11-18 01:41:30,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:30,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:31,104 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:31,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:31,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794196641] [2022-11-18 01:41:31,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794196641] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:41:31,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827533596] [2022-11-18 01:41:31,106 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:41:31,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:41:31,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:41:31,122 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:41:31,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 01:41:31,274 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 01:41:31,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:41:31,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 01:41:31,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:41:31,837 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 01:41:31,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:41:32,368 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 01:41:32,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827533596] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:41:32,368 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:41:32,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 33 [2022-11-18 01:41:32,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403121030] [2022-11-18 01:41:32,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:41:32,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-18 01:41:32,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:32,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-18 01:41:32,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=937, Unknown=0, NotChecked=0, Total=1056 [2022-11-18 01:41:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:32,373 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:32,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 7.666666666666667) internal successors, (253), 33 states have internal predecessors, (253), 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) [2022-11-18 01:41:32,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:32,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:41:32,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:41:32,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:41:32,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:41:32,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:34,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:34,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:41:34,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:41:34,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:41:34,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:41:34,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-18 01:41:34,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 01:41:34,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-18 01:41:34,953 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:41:34,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:34,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1964803798, now seen corresponding path program 3 times [2022-11-18 01:41:34,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:34,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69581479] [2022-11-18 01:41:34,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:34,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:35,268 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:35,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:35,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69581479] [2022-11-18 01:41:35,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69581479] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:41:35,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658623236] [2022-11-18 01:41:35,269 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 01:41:35,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:41:35,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:41:35,270 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:41:35,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 01:41:35,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-18 01:41:35,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:41:35,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 01:41:35,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:41:35,687 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:35,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:41:35,958 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:35,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658623236] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:41:35,958 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:41:35,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-11-18 01:41:35,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738392279] [2022-11-18 01:41:35,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:41:35,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-18 01:41:35,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:35,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-18 01:41:35,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2022-11-18 01:41:35,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:35,961 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:35,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.125) internal successors, (219), 24 states have internal predecessors, (219), 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) [2022-11-18 01:41:35,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:35,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:41:35,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:41:35,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:41:35,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:41:35,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-18 01:41:35,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:37,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:37,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:41:37,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:41:37,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:41:37,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-11-18 01:41:37,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-18 01:41:37,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 01:41:37,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 01:41:37,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:41:37,825 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:41:37,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:37,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1094981842, now seen corresponding path program 1 times [2022-11-18 01:41:37,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:37,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758887107] [2022-11-18 01:41:37,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:37,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:38,420 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:38,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:38,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758887107] [2022-11-18 01:41:38,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758887107] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:41:38,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507168536] [2022-11-18 01:41:38,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:38,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:41:38,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:41:38,422 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:41:38,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 01:41:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:38,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-18 01:41:38,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:41:39,123 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:39,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:41:39,636 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:39,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507168536] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:41:39,637 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:41:39,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 39 [2022-11-18 01:41:39,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789244559] [2022-11-18 01:41:39,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:41:39,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-11-18 01:41:39,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:39,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-11-18 01:41:39,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1311, Unknown=0, NotChecked=0, Total=1482 [2022-11-18 01:41:39,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:39,641 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:39,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 7.435897435897436) internal successors, (290), 39 states have internal predecessors, (290), 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) [2022-11-18 01:41:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:41:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:41:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:41:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-11-18 01:41:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-18 01:41:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-18 01:41:39,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:42,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:42,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:41:42,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:41:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:41:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-18 01:41:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-18 01:41:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 01:41:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-18 01:41:42,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-18 01:41:42,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:41:42,605 INFO L420 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)] === [2022-11-18 01:41:42,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:42,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1229161583, now seen corresponding path program 4 times [2022-11-18 01:41:42,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:42,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659931294] [2022-11-18 01:41:42,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:42,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:45,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:45,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:45,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659931294] [2022-11-18 01:41:45,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659931294] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:41:45,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446296053] [2022-11-18 01:41:45,139 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 01:41:45,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:41:45,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:41:45,141 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:41:45,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 01:41:45,273 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 01:41:45,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:41:45,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-18 01:41:45,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:41:47,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:41:47,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2022-11-18 01:41:47,629 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:41:47,630 INFO L350 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 63 treesize of output 43 [2022-11-18 01:41:48,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:48,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:41:52,515 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:41:52,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 276 treesize of output 276 [2022-11-18 01:41:52,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 181 treesize of output 163 [2022-11-18 01:41:52,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 163 treesize of output 157 [2022-11-18 01:41:52,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 157 treesize of output 145 [2022-11-18 01:41:59,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:59,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446296053] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:41:59,628 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:41:59,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28, 28] total 72 [2022-11-18 01:41:59,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414539304] [2022-11-18 01:41:59,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:41:59,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-11-18 01:41:59,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:59,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-11-18 01:41:59,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=697, Invalid=4407, Unknown=8, NotChecked=0, Total=5112 [2022-11-18 01:41:59,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:59,632 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:59,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 4.25) internal successors, (306), 72 states have internal predecessors, (306), 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) [2022-11-18 01:41:59,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:59,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:41:59,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:41:59,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:41:59,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-18 01:41:59,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-18 01:41:59,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-18 01:41:59,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-18 01:41:59,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:04,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:04,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:42:04,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:42:04,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:42:04,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-18 01:42:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-18 01:42:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 01:42:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-18 01:42:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-18 01:42:04,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 01:42:04,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-18 01:42:04,949 INFO L420 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)] === [2022-11-18 01:42:04,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:42:04,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1717655339, now seen corresponding path program 5 times [2022-11-18 01:42:04,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:42:04,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662680742] [2022-11-18 01:42:04,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:42:04,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:42:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:42:08,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:42:08,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:42:08,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662680742] [2022-11-18 01:42:08,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662680742] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:42:08,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195454074] [2022-11-18 01:42:08,007 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-18 01:42:08,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:42:08,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:42:08,008 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:42:08,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 01:42:08,131 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 01:42:08,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:42:08,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 59 conjunts are in the unsatisfiable core [2022-11-18 01:42:08,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:42:08,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-18 01:42:08,254 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-18 01:42:08,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-18 01:42:08,326 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-18 01:42:08,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-11-18 01:42:08,869 INFO L321 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-11-18 01:42:08,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 30 [2022-11-18 01:42:09,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-18 01:42:09,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-18 01:42:10,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:42:10,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2022-11-18 01:42:10,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2022-11-18 01:42:11,034 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:42:11,035 INFO L350 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 63 treesize of output 43 [2022-11-18 01:42:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:42:11,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:42:17,490 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (<= c_~min2~0 c_~min3~0)) (.cse8 (= c_~min2~0 c_~min1~0)) (.cse5 (< c_~min3~0 c_~min2~0))) (and (or .cse0 (forall ((v_ArrVal_292 (Array Int Int)) (v_ArrVal_291 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse1 (select (select .cse2 c_~A~0.base) c_~A~0.offset))) (or (= c_~min3~0 .cse1) (< 0 ~M~0) (< ~M~0 0) (< (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (not (< .cse1 c_~min1~0))))))) (forall ((v_ArrVal_291 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (or (< (select (select .cse3 c_~A~0.base) c_~A~0.offset) c_~min1~0) (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse4 (select (select (store (store .cse3 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))))) (or (< 0 ~M~0) (< ~M~0 0) (not (< .cse4 c_~min3~0)) (= c_~min1~0 .cse4) (<= c_~min2~0 .cse4))))))) (or .cse5 (forall ((v_ArrVal_292 (Array Int Int)) (v_ArrVal_291 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse7 (select (select .cse6 c_~A~0.base) c_~A~0.offset))) (or (< 0 ~M~0) (< ~M~0 0) (< (select (select (store (store .cse6 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (= c_~min2~0 .cse7) (not (< .cse7 c_~min1~0))))))) (or .cse8 (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_291 (Array Int Int)) (v_ArrVal_293 (Array Int Int))) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse9 (select (select (store (store .cse10 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))))) (or (< .cse9 c_~min2~0) (< 0 ~M~0) (< (select (select .cse10 c_~A~0.base) c_~A~0.offset) c_~min1~0) (< ~M~0 0) (not (< .cse9 c_~min3~0))))))) (forall ((v_ArrVal_291 (Array Int Int))) (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse11 (select (select .cse13 c_~A~0.base) c_~A~0.offset))) (or (= c_~min2~0 .cse11) (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse12 (select (select (store (store .cse13 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))))) (or (< .cse12 c_~min2~0) (< 0 ~M~0) (< ~M~0 0) (not (< .cse12 c_~min3~0))))) (not (< .cse11 c_~min1~0)))))) (forall ((v_ArrVal_291 (Array Int Int))) (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse15 (select (select .cse16 c_~A~0.base) c_~A~0.offset))) (or (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse14 (select (select (store (store .cse16 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))))) (or (= .cse14 .cse15) (< 0 ~M~0) (< ~M~0 0) (not (< .cse14 c_~min3~0)) (<= c_~min2~0 .cse14)))) (not (< .cse15 c_~min1~0)))))) (or (and (or .cse0 (= c_~min1~0 c_~min3~0)) (or .cse8 .cse5)) (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_291 (Array Int Int)) (v_ArrVal_293 (Array Int Int))) (let ((.cse17 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (or (< 0 ~M~0) (< (select (select .cse17 c_~A~0.base) c_~A~0.offset) c_~min1~0) (< ~M~0 0) (< (select (select (store (store .cse17 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0))))))) is different from false [2022-11-18 01:42:19,552 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse8 (<= c_~min2~0 c_~min3~0)) (.cse5 (= c_~min2~0 c_~min1~0)) (.cse11 (< c_~min3~0 c_~min2~0))) (and (forall ((v_ArrVal_291 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse1 (select (select .cse2 |c_ULTIMATE.start_main_#t~ret12#1.base|) |c_ULTIMATE.start_main_#t~ret12#1.offset|))) (or (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse0 (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_main_#t~ret12#1.base|) (+ |c_ULTIMATE.start_main_#t~ret12#1.offset| (* ~M~0 4))))) (or (< 0 ~M~0) (< ~M~0 0) (not (< .cse0 c_~min3~0)) (= .cse0 .cse1) (<= c_~min2~0 .cse0)))) (not (< .cse1 c_~min1~0)))))) (forall ((v_ArrVal_291 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (or (< (select (select .cse3 |c_ULTIMATE.start_main_#t~ret12#1.base|) |c_ULTIMATE.start_main_#t~ret12#1.offset|) c_~min1~0) (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse4 (select (select (store (store .cse3 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_main_#t~ret12#1.base|) (+ |c_ULTIMATE.start_main_#t~ret12#1.offset| (* ~M~0 4))))) (or (< 0 ~M~0) (< ~M~0 0) (= c_~min1~0 .cse4) (not (< .cse4 c_~min3~0)) (<= c_~min2~0 .cse4))))))) (or .cse5 (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_291 (Array Int Int)) (v_ArrVal_293 (Array Int Int))) (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse6 (select (select (store (store .cse7 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_main_#t~ret12#1.base|) (+ |c_ULTIMATE.start_main_#t~ret12#1.offset| (* ~M~0 4))))) (or (< 0 ~M~0) (< .cse6 c_~min2~0) (< (select (select .cse7 |c_ULTIMATE.start_main_#t~ret12#1.base|) |c_ULTIMATE.start_main_#t~ret12#1.offset|) c_~min1~0) (< ~M~0 0) (not (< .cse6 c_~min3~0))))))) (or .cse8 (forall ((v_ArrVal_292 (Array Int Int)) (v_ArrVal_291 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse10 (select (select .cse9 |c_ULTIMATE.start_main_#t~ret12#1.base|) |c_ULTIMATE.start_main_#t~ret12#1.offset|))) (or (< (select (select (store (store .cse9 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_main_#t~ret12#1.base|) (+ |c_ULTIMATE.start_main_#t~ret12#1.offset| (* ~M~0 4))) c_~min3~0) (< 0 ~M~0) (= .cse10 c_~min3~0) (< ~M~0 0) (not (< .cse10 c_~min1~0))))))) (or (and (or .cse8 (= c_~min1~0 c_~min3~0)) (or .cse5 .cse11)) (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_291 (Array Int Int)) (v_ArrVal_293 (Array Int Int))) (let ((.cse12 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (or (< (select (select (store (store .cse12 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_main_#t~ret12#1.base|) (+ |c_ULTIMATE.start_main_#t~ret12#1.offset| (* ~M~0 4))) c_~min3~0) (< 0 ~M~0) (< (select (select .cse12 |c_ULTIMATE.start_main_#t~ret12#1.base|) |c_ULTIMATE.start_main_#t~ret12#1.offset|) c_~min1~0) (< ~M~0 0))))) (or (forall ((v_ArrVal_292 (Array Int Int)) (v_ArrVal_291 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse14 (select (select .cse13 |c_ULTIMATE.start_main_#t~ret12#1.base|) |c_ULTIMATE.start_main_#t~ret12#1.offset|))) (or (< (select (select (store (store .cse13 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_main_#t~ret12#1.base|) (+ |c_ULTIMATE.start_main_#t~ret12#1.offset| (* ~M~0 4))) c_~min3~0) (< 0 ~M~0) (< ~M~0 0) (not (< .cse14 c_~min1~0)) (= c_~min2~0 .cse14))))) .cse11) (forall ((v_ArrVal_291 (Array Int Int))) (let ((.cse17 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse15 (select (select .cse17 |c_ULTIMATE.start_main_#t~ret12#1.base|) |c_ULTIMATE.start_main_#t~ret12#1.offset|))) (or (not (< .cse15 c_~min1~0)) (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse16 (select (select (store (store .cse17 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_main_#t~ret12#1.base|) (+ |c_ULTIMATE.start_main_#t~ret12#1.offset| (* ~M~0 4))))) (or (< 0 ~M~0) (< .cse16 c_~min2~0) (< ~M~0 0) (not (< .cse16 c_~min3~0))))) (= c_~min2~0 .cse15))))))) is different from false [2022-11-18 01:42:19,957 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (= c_~min2~0 c_~min1~0)) (.cse7 (< c_~min3~0 c_~min2~0)) (.cse11 (<= c_~min2~0 c_~min3~0))) (and (or .cse0 (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_291 (Array Int Int)) (v_ArrVal_293 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse1 (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (or (not (< .cse1 c_~min3~0)) (< 0 ~M~0) (< ~M~0 0) (< (select (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) c_~min1~0) (< .cse1 c_~min2~0)))))) (forall ((v_ArrVal_291 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (or (< (select (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) c_~min1~0) (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse4 (select (select (store (store .cse3 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (or (= .cse4 c_~min1~0) (not (< .cse4 c_~min3~0)) (< 0 ~M~0) (< ~M~0 0) (<= c_~min2~0 .cse4))))))) (or (forall ((v_ArrVal_292 (Array Int Int)) (v_ArrVal_291 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse5 (select (select .cse6 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (or (< 0 ~M~0) (not (< .cse5 c_~min1~0)) (= c_~min2~0 .cse5) (< ~M~0 0) (< (select (select (store (store .cse6 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) c_~min3~0))))) .cse7) (forall ((v_ArrVal_291 (Array Int Int))) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse8 (select (select .cse10 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (or (not (< .cse8 c_~min1~0)) (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse9 (select (select (store (store .cse10 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (or (= .cse9 .cse8) (not (< .cse9 c_~min3~0)) (< 0 ~M~0) (< ~M~0 0) (<= c_~min2~0 .cse9)))))))) (or (and (or .cse11 (= c_~min1~0 c_~min3~0)) (or .cse0 .cse7)) (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_291 (Array Int Int)) (v_ArrVal_293 (Array Int Int))) (let ((.cse12 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (or (< 0 ~M~0) (< ~M~0 0) (< (select (select .cse12 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) c_~min1~0) (< (select (select (store (store .cse12 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) c_~min3~0))))) (forall ((v_ArrVal_291 (Array Int Int))) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse15 (select (select .cse14 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (or (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse13 (select (select (store (store .cse14 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (or (not (< .cse13 c_~min3~0)) (< 0 ~M~0) (< ~M~0 0) (< .cse13 c_~min2~0)))) (not (< .cse15 c_~min1~0)) (= c_~min2~0 .cse15))))) (or .cse11 (forall ((v_ArrVal_292 (Array Int Int)) (v_ArrVal_291 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse17 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse16 (select (select .cse17 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (or (= .cse16 c_~min3~0) (< 0 ~M~0) (not (< .cse16 c_~min1~0)) (< ~M~0 0) (< (select (select (store (store .cse17 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) c_~min3~0)))))))) is different from false [2022-11-18 01:42:20,191 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (<= c_~min2~0 c_~min3~0)) (.cse6 (= c_~min2~0 c_~min1~0)) (.cse16 (< c_~min3~0 c_~min2~0))) (and (or .cse0 (forall ((v_ArrVal_292 (Array Int Int)) (v_ArrVal_291 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse1 (select (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (or (not (< .cse1 c_~min1~0)) (< 0 ~M~0) (= c_~min3~0 .cse1) (< ~M~0 0) (< (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) c_~min3~0)))))) (forall ((v_ArrVal_291 (Array Int Int))) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse5 (select (select .cse4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (or (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse3 (select (select (store (store .cse4 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (< 0 ~M~0) (not (< .cse3 c_~min3~0)) (< ~M~0 0) (< .cse3 c_~min2~0)))) (not (< .cse5 c_~min1~0)) (= c_~min2~0 .cse5))))) (or .cse6 (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_291 (Array Int Int)) (v_ArrVal_293 (Array Int Int))) (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse8 (select (select (store (store .cse7 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (< (select (select .cse7 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) c_~min1~0) (< 0 ~M~0) (not (< .cse8 c_~min3~0)) (< ~M~0 0) (< .cse8 c_~min2~0)))))) (forall ((v_ArrVal_291 (Array Int Int))) (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse9 (select (select .cse11 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (or (not (< .cse9 c_~min1~0)) (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse10 (select (select (store (store .cse11 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (< 0 ~M~0) (not (< .cse10 c_~min3~0)) (< ~M~0 0) (= .cse9 .cse10) (<= c_~min2~0 .cse10)))))))) (forall ((v_ArrVal_291 (Array Int Int))) (let ((.cse12 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (or (< (select (select .cse12 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) c_~min1~0) (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse13 (select (select (store (store .cse12 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (< 0 ~M~0) (not (< .cse13 c_~min3~0)) (< ~M~0 0) (<= c_~min2~0 .cse13) (= c_~min1~0 .cse13))))))) (or (forall ((v_ArrVal_292 (Array Int Int)) (v_ArrVal_291 (Array Int Int)) (~M~0 Int) (v_ArrVal_293 (Array Int Int))) (let ((.cse15 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (let ((.cse14 (select (select .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (or (not (< .cse14 c_~min1~0)) (< 0 ~M~0) (< ~M~0 0) (< (select (select (store (store .cse15 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) c_~min3~0) (= c_~min2~0 .cse14))))) .cse16) (or (and (or .cse0 (= c_~min1~0 c_~min3~0)) (or .cse6 .cse16)) (forall ((v_ArrVal_292 (Array Int Int)) (~M~0 Int) (v_ArrVal_291 (Array Int Int)) (v_ArrVal_293 (Array Int Int))) (let ((.cse17 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_291))) (or (< (select (select .cse17 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) c_~min1~0) (< 0 ~M~0) (< ~M~0 0) (< (select (select (store (store .cse17 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_292) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_293) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) c_~min3~0))))))) is different from false [2022-11-18 01:42:21,184 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:42:21,184 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 54 [2022-11-18 01:42:21,198 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 01:42:21,199 INFO L350 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 189 treesize of output 177 [2022-11-18 01:42:21,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 136 treesize of output 112 [2022-11-18 01:42:21,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 112 treesize of output 100 [2022-11-18 01:42:21,230 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 01:42:21,231 INFO L350 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 82 treesize of output 76 [2022-11-18 01:42:21,439 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:42:21,439 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 64 [2022-11-18 01:42:21,459 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 01:42:21,460 INFO L350 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 633 treesize of output 601 [2022-11-18 01:42:21,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 440 treesize of output 392 [2022-11-18 01:42:21,498 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 01:42:21,498 INFO L350 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 541 treesize of output 519 [2022-11-18 01:42:21,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 508 treesize of output 412 [2022-11-18 01:42:22,709 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:42:22,710 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 54 [2022-11-18 01:42:22,729 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 01:42:22,730 INFO L350 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 189 treesize of output 177 [2022-11-18 01:42:22,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 136 treesize of output 124 [2022-11-18 01:42:22,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 124 treesize of output 100 [2022-11-18 01:42:22,770 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 01:42:22,771 INFO L350 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 82 treesize of output 76 [2022-11-18 01:42:22,974 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:42:22,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 43 [2022-11-18 01:42:22,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:42:22,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:42:22,993 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 01:42:22,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 43 [2022-11-18 01:42:23,012 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 01:42:23,012 INFO L350 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 23 treesize of output 19 [2022-11-18 01:42:23,042 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:42:23,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 1 [2022-11-18 01:42:23,055 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:42:23,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 140 treesize of output 1 [2022-11-18 01:42:23,068 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:42:23,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 1 [2022-11-18 01:42:24,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-18 01:42:24,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195454074] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:42:24,883 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:42:24,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29, 28] total 77 [2022-11-18 01:42:24,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548599467] [2022-11-18 01:42:24,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:42:24,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2022-11-18 01:42:24,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:42:24,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2022-11-18 01:42:24,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=734, Invalid=4515, Unknown=23, NotChecked=580, Total=5852 [2022-11-18 01:42:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:24,890 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:42:24,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 4.311688311688312) internal successors, (332), 77 states have internal predecessors, (332), 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) [2022-11-18 01:42:24,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:24,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:42:24,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:42:24,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:42:24,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-18 01:42:24,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-18 01:42:24,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-18 01:42:24,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-18 01:42:24,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-11-18 01:42:24,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:53,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:53,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:42:53,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:42:53,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:42:53,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-18 01:42:53,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-11-18 01:42:53,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:42:53,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-18 01:42:53,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:42:53,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:42:53,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-18 01:42:53,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:42:53,741 INFO L420 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)] === [2022-11-18 01:42:53,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:42:53,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1206971023, now seen corresponding path program 6 times [2022-11-18 01:42:53,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:42:53,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780032700] [2022-11-18 01:42:53,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:42:53,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:42:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:42:54,098 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:42:54,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:42:54,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780032700] [2022-11-18 01:42:54,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780032700] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:42:54,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205955189] [2022-11-18 01:42:54,099 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-18 01:42:54,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:42:54,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:42:54,103 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:42:54,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 01:42:54,292 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-11-18 01:42:54,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:42:54,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 01:42:54,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:42:54,694 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 01:42:54,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:42:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 01:42:55,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205955189] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:42:55,021 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:42:55,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 29 [2022-11-18 01:42:55,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174483980] [2022-11-18 01:42:55,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:42:55,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-18 01:42:55,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:42:55,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-18 01:42:55,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=722, Unknown=0, NotChecked=0, Total=812 [2022-11-18 01:42:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:55,023 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:42:55,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.275862068965518) internal successors, (240), 29 states have internal predecessors, (240), 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) [2022-11-18 01:42:55,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:55,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:42:55,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:42:55,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:42:55,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-18 01:42:55,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-11-18 01:42:55,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:42:55,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-18 01:42:55,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:42:55,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:42:55,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:59,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:59,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:42:59,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:42:59,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:42:59,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-18 01:42:59,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:42:59,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:42:59,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-18 01:42:59,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:42:59,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:42:59,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-11-18 01:42:59,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-18 01:43:00,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-18 01:43:00,112 INFO L420 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)] === [2022-11-18 01:43:00,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:43:00,112 INFO L85 PathProgramCache]: Analyzing trace with hash 333021814, now seen corresponding path program 7 times [2022-11-18 01:43:00,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:43:00,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177405530] [2022-11-18 01:43:00,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:00,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:43:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:05,143 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:05,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:43:05,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177405530] [2022-11-18 01:43:05,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177405530] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:43:05,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102209853] [2022-11-18 01:43:05,144 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-18 01:43:05,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:43:05,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:43:05,145 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:43:05,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-18 01:43:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:05,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-18 01:43:05,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:43:09,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:43:09,194 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:43:09,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 160 treesize of output 108 [2022-11-18 01:43:10,833 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:10,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:43:16,591 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:43:16,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 621 treesize of output 265 [2022-11-18 01:43:22,728 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:22,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102209853] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:43:22,729 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:43:22,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 33, 27] total 86 [2022-11-18 01:43:22,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628681741] [2022-11-18 01:43:22,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:43:22,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-11-18 01:43:22,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:43:22,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-11-18 01:43:22,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=872, Invalid=6438, Unknown=0, NotChecked=0, Total=7310 [2022-11-18 01:43:22,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:22,734 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:43:22,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 4.267441860465116) internal successors, (367), 86 states have internal predecessors, (367), 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) [2022-11-18 01:43:22,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:22,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:43:22,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:43:22,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:43:22,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-18 01:43:22,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:43:22,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:22,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-18 01:43:22,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:43:22,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:43:22,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2022-11-18 01:43:22,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:38,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:38,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:43:38,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:43:38,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:43:38,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-18 01:43:38,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:43:38,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:38,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-18 01:43:38,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:43:38,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:43:38,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-11-18 01:43:38,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-11-18 01:43:38,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-18 01:43:38,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-18 01:43:38,922 INFO L420 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)] === [2022-11-18 01:43:38,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:43:38,923 INFO L85 PathProgramCache]: Analyzing trace with hash 648238083, now seen corresponding path program 8 times [2022-11-18 01:43:38,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:43:38,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836256953] [2022-11-18 01:43:38,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:38,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:43:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:39,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:43:39,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836256953] [2022-11-18 01:43:39,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836256953] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:43:39,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423471652] [2022-11-18 01:43:39,279 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:43:39,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:43:39,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:43:39,282 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:43:39,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-18 01:43:39,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 01:43:39,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:43:39,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 01:43:39,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:43:39,922 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:39,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:43:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:40,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423471652] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:43:40,417 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:43:40,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2022-11-18 01:43:40,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786373093] [2022-11-18 01:43:40,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:43:40,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-18 01:43:40,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:43:40,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-18 01:43:40,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 01:43:40,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:40,420 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:43:40,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.647058823529412) internal successors, (260), 34 states have internal predecessors, (260), 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) [2022-11-18 01:43:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:43:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:43:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:43:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-18 01:43:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:43:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-18 01:43:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:43:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:43:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2022-11-18 01:43:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-11-18 01:43:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:43:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:43:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:43:46,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-18 01:43:46,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:43:46,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:46,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:43:46,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-11-18 01:43:46,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-11-18 01:43:46,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-11-18 01:43:46,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:43:46,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:43:46,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-18 01:43:46,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-18 01:43:46,658 INFO L420 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)] === [2022-11-18 01:43:46,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:43:46,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1304833281, now seen corresponding path program 2 times [2022-11-18 01:43:46,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:43:46,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385848611] [2022-11-18 01:43:46,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:46,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:43:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:46,948 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:46,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:43:46,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385848611] [2022-11-18 01:43:46,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385848611] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:43:46,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715665062] [2022-11-18 01:43:46,949 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:43:46,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:43:46,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:43:46,950 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:43:46,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-18 01:43:47,076 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 01:43:47,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:43:47,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 01:43:47,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:43:47,414 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 01:43:47,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:43:47,702 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 01:43:47,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715665062] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:43:47,703 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:43:47,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 29 [2022-11-18 01:43:47,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904204533] [2022-11-18 01:43:47,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:43:47,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-18 01:43:47,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:43:47,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-18 01:43:47,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2022-11-18 01:43:47,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:47,705 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:43:47,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.275862068965518) internal successors, (240), 29 states have internal predecessors, (240), 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) [2022-11-18 01:43:47,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:47,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:43:47,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:43:47,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:43:47,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-18 01:43:47,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:43:47,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:47,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:43:47,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-11-18 01:43:47,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-11-18 01:43:47,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-11-18 01:43:47,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:43:47,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:43:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:54,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:43:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:43:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:43:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-18 01:43:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:43:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:43:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-11-18 01:43:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-11-18 01:43:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-11-18 01:43:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-11-18 01:43:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:43:54,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-11-18 01:43:54,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-18 01:43:54,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-18 01:43:54,727 INFO L420 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)] === [2022-11-18 01:43:54,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:43:54,727 INFO L85 PathProgramCache]: Analyzing trace with hash 6681437, now seen corresponding path program 1 times [2022-11-18 01:43:54,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:43:54,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998859721] [2022-11-18 01:43:54,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:54,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:43:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:54,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:43:54,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998859721] [2022-11-18 01:43:54,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998859721] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:43:54,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235853920] [2022-11-18 01:43:54,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:54,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:43:54,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:43:54,975 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:43:54,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-18 01:43:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:55,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 01:43:55,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:43:55,471 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:55,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:43:55,808 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:55,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235853920] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:43:55,808 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:43:55,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-11-18 01:43:55,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615669764] [2022-11-18 01:43:55,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:43:55,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-18 01:43:55,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:43:55,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-18 01:43:55,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2022-11-18 01:43:55,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:55,810 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:43:55,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.5) internal successors, (228), 24 states have internal predecessors, (228), 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) [2022-11-18 01:43:55,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:55,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:43:55,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:43:55,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:43:55,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-18 01:43:55,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:43:55,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:55,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:43:55,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-11-18 01:43:55,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-11-18 01:43:55,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2022-11-18 01:43:55,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-11-18 01:43:55,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:43:55,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-11-18 01:43:55,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:56,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:56,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:43:56,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:43:56,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:43:56,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-18 01:43:56,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:43:56,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:56,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:43:56,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-11-18 01:43:56,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-11-18 01:43:56,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:43:56,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-11-18 01:43:56,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:43:56,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-11-18 01:43:56,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:43:56,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-18 01:43:56,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:43:56,680 INFO L420 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)] === [2022-11-18 01:43:56,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:43:56,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1755799160, now seen corresponding path program 2 times [2022-11-18 01:43:56,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:43:56,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033314468] [2022-11-18 01:43:56,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:56,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:43:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:44:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 01:44:00,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:44:00,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033314468] [2022-11-18 01:44:00,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033314468] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:44:00,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509485989] [2022-11-18 01:44:00,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:44:00,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:44:00,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:44:00,304 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:44:00,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-18 01:44:00,442 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 01:44:00,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:44:00,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 63 conjunts are in the unsatisfiable core [2022-11-18 01:44:00,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:44:01,635 INFO L350 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 13 treesize of output 9 [2022-11-18 01:44:02,290 INFO L350 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 6 treesize of output 5 [2022-11-18 01:44:02,597 INFO L350 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 6 treesize of output 5 [2022-11-18 01:44:02,884 INFO L350 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 6 treesize of output 5 [2022-11-18 01:44:04,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:44:04,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:44:04,679 INFO L321 Elim1Store]: treesize reduction 24, result has 72.7 percent of original size [2022-11-18 01:44:04,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 152 treesize of output 143 [2022-11-18 01:44:07,408 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:44:07,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:45:34,939 WARN L233 SmtUtils]: Spent 1.13m on a formula simplification. DAG size of input: 197 DAG size of output: 168 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:46:27,605 WARN L233 SmtUtils]: Spent 39.56s on a formula simplification that was a NOOP. DAG size: 166 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:46:30,248 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse103 (* c_thread1Thread1of1ForFork2_~i~0 4)) (.cse14 (+ c_~min3~0 1))) (let ((.cse6 (= c_~min2~0 c_~min1~0)) (.cse21 (<= .cse14 c_~min2~0)) (.cse22 (<= c_~min2~0 c_~min3~0)) (.cse33 (= c_~min1~0 c_~min3~0)) (.cse1 (+ c_thread1Thread1of1ForFork2_~i~0 1)) (.cse3 (+ c_~A~0.offset .cse103 4)) (.cse5 (+ c_~A~0.offset .cse103))) (and (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int))) (let ((.cse2 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse4 (select .cse2 .cse5))) (or (forall ((~M~0 Int)) (let ((.cse0 (select .cse2 (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< 0 ~M~0)) (not (< .cse0 c_~min3~0)) (< .cse1 ~M~0) (<= (+ .cse0 1) c_~min2~0)))) (< (select .cse2 .cse3) .cse4) (= c_~min2~0 .cse4) (not (< .cse4 c_~min1~0)) (< (select .cse2 c_~A~0.offset) c_~min2~0))))) (or .cse6 (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int)) (~M~0 Int)) (let ((.cse7 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse8 (select .cse7 (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< 0 ~M~0)) (< (select .cse7 .cse3) c_~min1~0) (not (< .cse8 c_~min3~0)) (< .cse1 ~M~0) (< (select .cse7 .cse5) c_~min1~0) (<= (+ .cse8 1) c_~min2~0) (< (select .cse7 c_~A~0.offset) c_~min2~0)))))) (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int))) (let ((.cse9 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (or (< (select .cse9 .cse3) c_~min1~0) (forall ((~M~0 Int)) (let ((.cse10 (select .cse9 (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< 0 ~M~0)) (not (< .cse10 c_~min3~0)) (< .cse1 ~M~0) (= c_~min1~0 .cse10) (<= c_~min2~0 .cse10)))) (< (select .cse9 .cse5) c_~min1~0) (< (select .cse9 c_~A~0.offset) c_~min2~0)))) (forall ((v_ArrVal_513 (Array Int Int)) (~M~0 Int)) (or (not (< 0 ~M~0)) (forall ((v_ArrVal_514 (Array Int Int))) (let ((.cse12 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse11 (select .cse12 c_~A~0.offset)) (.cse13 (select .cse12 .cse3))) (or (not (< .cse11 c_~min2~0)) (< (select .cse12 (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (= .cse11 .cse13) (< (select .cse12 .cse5) c_~min1~0) (<= .cse14 .cse11) (not (< .cse13 c_~min1~0)))))) (< .cse1 ~M~0))) (forall ((v_ArrVal_513 (Array Int Int)) (~M~0 Int)) (or (not (< 0 ~M~0)) (< .cse1 ~M~0) (forall ((v_ArrVal_514 (Array Int Int))) (let ((.cse18 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse15 (select .cse18 .cse3)) (.cse16 (select .cse18 .cse5)) (.cse17 (select .cse18 c_~A~0.offset))) (or (not (< .cse15 .cse16)) (not (< .cse17 c_~min2~0)) (< (select .cse18 (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (= .cse17 .cse15) (not (< .cse16 c_~min1~0)) (<= .cse14 .cse17))))))) (or (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int)) (~M~0 Int)) (let ((.cse19 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse20 (select .cse19 .cse5))) (or (not (< 0 ~M~0)) (< (select .cse19 (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (< (select .cse19 .cse3) .cse20) (< .cse1 ~M~0) (= c_~min2~0 .cse20) (not (< .cse20 c_~min1~0)) (< (select .cse19 c_~A~0.offset) c_~min2~0))))) .cse21) (or .cse22 (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int)) (~M~0 Int)) (let ((.cse23 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse24 (select .cse23 .cse3))) (or (not (< 0 ~M~0)) (< (select .cse23 (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (< .cse1 ~M~0) (= .cse24 c_~min3~0) (< (select .cse23 .cse5) c_~min1~0) (not (< .cse24 c_~min1~0)) (< (select .cse23 c_~A~0.offset) c_~min2~0)))))) (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int))) (let ((.cse26 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse28 (select .cse26 .cse5)) (.cse27 (select .cse26 .cse3))) (or (forall ((~M~0 Int)) (let ((.cse25 (select .cse26 (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< 0 ~M~0)) (not (< .cse25 c_~min3~0)) (< .cse1 ~M~0) (<= (+ .cse25 1) c_~min2~0)))) (not (< .cse27 .cse28)) (not (< .cse28 c_~min1~0)) (= c_~min2~0 .cse27) (< (select .cse26 c_~A~0.offset) c_~min2~0))))) (forall ((v_ArrVal_513 (Array Int Int)) (~M~0 Int)) (or (forall ((v_ArrVal_514 (Array Int Int))) (let ((.cse30 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse29 (select .cse30 c_~A~0.offset)) (.cse31 (select .cse30 .cse5))) (or (not (< .cse29 c_~min2~0)) (< (select .cse30 (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (< (select .cse30 .cse3) .cse31) (<= .cse29 c_~min3~0) (not (< .cse31 c_~min1~0)) (= .cse31 c_~min3~0))))) (not (< 0 ~M~0)) (< .cse1 ~M~0))) (or (and .cse6 .cse22) (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int)) (~M~0 Int)) (let ((.cse32 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (or (not (< 0 ~M~0)) (< (select .cse32 .cse3) c_~min1~0) (< (select .cse32 (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (< .cse1 ~M~0) (< (select .cse32 .cse5) c_~min1~0) (< (select .cse32 c_~A~0.offset) c_~min2~0)))) (and .cse33 .cse21)) (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int))) (let ((.cse35 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse34 (select .cse35 c_~A~0.offset)) (.cse36 (select .cse35 .cse5))) (or (not (< .cse34 c_~min2~0)) (< (select .cse35 .cse3) .cse36) (= .cse34 .cse36) (forall ((~M~0 Int)) (let ((.cse37 (select .cse35 (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< 0 ~M~0)) (not (< .cse37 c_~min3~0)) (< .cse1 ~M~0) (<= (+ .cse37 1) .cse34)))) (not (< .cse36 c_~min1~0)))))) (or .cse22 (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int)) (~M~0 Int)) (let ((.cse38 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse39 (select .cse38 .cse5))) (or (not (< 0 ~M~0)) (< (select .cse38 (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (< (select .cse38 .cse3) .cse39) (< .cse1 ~M~0) (not (< .cse39 c_~min1~0)) (= .cse39 c_~min3~0) (< (select .cse38 c_~A~0.offset) c_~min2~0)))))) (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int))) (let ((.cse40 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse41 (select .cse40 .cse5))) (or (< (select .cse40 .cse3) .cse41) (forall ((~M~0 Int)) (let ((.cse42 (select .cse40 (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< 0 ~M~0)) (not (< .cse42 c_~min3~0)) (< .cse1 ~M~0) (= .cse41 .cse42) (<= c_~min2~0 .cse42)))) (not (< .cse41 c_~min1~0)) (< (select .cse40 c_~A~0.offset) c_~min2~0))))) (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int))) (let ((.cse45 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse44 (select .cse45 .cse3))) (or (forall ((~M~0 Int)) (let ((.cse43 (select .cse45 (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< 0 ~M~0)) (not (< .cse43 c_~min3~0)) (< .cse1 ~M~0) (= .cse44 .cse43) (<= c_~min2~0 .cse43)))) (< (select .cse45 .cse5) c_~min1~0) (not (< .cse44 c_~min1~0)) (< (select .cse45 c_~A~0.offset) c_~min2~0))))) (or .cse21 (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int)) (~M~0 Int)) (let ((.cse48 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse47 (select .cse48 .cse5)) (.cse46 (select .cse48 .cse3))) (or (not (< .cse46 .cse47)) (not (< 0 ~M~0)) (< (select .cse48 (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (< .cse1 ~M~0) (not (< .cse47 c_~min1~0)) (= c_~min2~0 .cse46) (< (select .cse48 c_~A~0.offset) c_~min2~0)))))) (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int))) (let ((.cse53 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse49 (select .cse53 .cse3)) (.cse51 (select .cse53 c_~A~0.offset)) (.cse50 (select .cse53 .cse5))) (or (not (< .cse49 .cse50)) (not (< .cse51 c_~min2~0)) (= .cse51 .cse49) (forall ((~M~0 Int)) (let ((.cse52 (select .cse53 (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< 0 ~M~0)) (not (< .cse52 c_~min3~0)) (< .cse1 ~M~0) (<= (+ .cse52 1) .cse51)))) (not (< .cse50 c_~min1~0)))))) (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int))) (let ((.cse55 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse56 (select .cse55 .cse5)) (.cse54 (select .cse55 c_~A~0.offset))) (or (not (< .cse54 c_~min2~0)) (< (select .cse55 .cse3) .cse56) (not (< .cse56 c_~min1~0)) (forall ((~M~0 Int)) (let ((.cse57 (select .cse55 (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< 0 ~M~0)) (not (< .cse57 c_~min3~0)) (< .cse1 ~M~0) (= .cse56 .cse57) (<= .cse54 .cse57)))))))) (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int))) (let ((.cse61 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse59 (select .cse61 .cse3)) (.cse60 (select .cse61 c_~A~0.offset)) (.cse62 (select .cse61 .cse5))) (or (forall ((~M~0 Int)) (let ((.cse58 (select .cse61 (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< 0 ~M~0)) (not (< .cse58 c_~min3~0)) (< .cse1 ~M~0) (= .cse59 .cse58) (<= .cse60 .cse58)))) (not (< .cse59 .cse62)) (not (< .cse60 c_~min2~0)) (not (< .cse62 c_~min1~0)))))) (or (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int)) (~M~0 Int)) (let ((.cse63 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse64 (select .cse63 .cse3))) (or (not (< 0 ~M~0)) (< (select .cse63 (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (< .cse1 ~M~0) (< (select .cse63 .cse5) c_~min1~0) (not (< .cse64 c_~min1~0)) (= c_~min2~0 .cse64) (< (select .cse63 c_~A~0.offset) c_~min2~0))))) .cse21) (forall ((v_ArrVal_513 (Array Int Int)) (~M~0 Int)) (or (not (< 0 ~M~0)) (< .cse1 ~M~0) (forall ((v_ArrVal_514 (Array Int Int))) (let ((.cse65 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse66 (select .cse65 c_~A~0.offset))) (or (< (select .cse65 .cse3) c_~min1~0) (not (< .cse66 c_~min2~0)) (< (select .cse65 (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (< (select .cse65 .cse5) c_~min1~0) (= c_~min1~0 .cse66) (<= .cse14 .cse66))))))) (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int))) (let ((.cse70 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse69 (select .cse70 c_~A~0.offset)) (.cse68 (select .cse70 .cse3))) (or (forall ((~M~0 Int)) (let ((.cse67 (select .cse70 (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< 0 ~M~0)) (not (< .cse67 c_~min3~0)) (< .cse1 ~M~0) (= .cse68 .cse67) (<= .cse69 .cse67)))) (not (< .cse69 c_~min2~0)) (< (select .cse70 .cse5) c_~min1~0) (not (< .cse68 c_~min1~0)))))) (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int))) (let ((.cse71 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse72 (select .cse71 c_~A~0.offset))) (or (< (select .cse71 .cse3) c_~min1~0) (not (< .cse72 c_~min2~0)) (forall ((~M~0 Int)) (let ((.cse73 (select .cse71 (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< 0 ~M~0)) (not (< .cse73 c_~min3~0)) (< .cse1 ~M~0) (<= (+ .cse73 1) .cse72)))) (< (select .cse71 .cse5) c_~min1~0) (= c_~min1~0 .cse72))))) (forall ((v_ArrVal_513 (Array Int Int)) (~M~0 Int)) (or (forall ((v_ArrVal_514 (Array Int Int))) (let ((.cse75 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse74 (select .cse75 c_~A~0.offset)) (.cse76 (select .cse75 .cse3))) (or (not (< .cse74 c_~min2~0)) (< (select .cse75 (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (= .cse76 c_~min3~0) (<= .cse74 c_~min3~0) (< (select .cse75 .cse5) c_~min1~0) (not (< .cse76 c_~min1~0)))))) (not (< 0 ~M~0)) (< .cse1 ~M~0))) (or .cse22 (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int)) (~M~0 Int)) (let ((.cse79 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse77 (select .cse79 .cse3)) (.cse78 (select .cse79 .cse5))) (or (not (< .cse77 .cse78)) (not (< 0 ~M~0)) (< (select .cse79 (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (< .cse1 ~M~0) (= .cse77 c_~min3~0) (not (< .cse78 c_~min1~0)) (< (select .cse79 c_~A~0.offset) c_~min2~0)))))) (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int))) (let ((.cse81 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse82 (select .cse81 .cse3))) (or (forall ((~M~0 Int)) (let ((.cse80 (select .cse81 (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< 0 ~M~0)) (not (< .cse80 c_~min3~0)) (< .cse1 ~M~0) (<= (+ .cse80 1) c_~min2~0)))) (< (select .cse81 .cse5) c_~min1~0) (not (< .cse82 c_~min1~0)) (= c_~min2~0 .cse82) (< (select .cse81 c_~A~0.offset) c_~min2~0))))) (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int))) (let ((.cse86 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse83 (select .cse86 .cse3)) (.cse84 (select .cse86 .cse5))) (or (not (< .cse83 .cse84)) (forall ((~M~0 Int)) (let ((.cse85 (select .cse86 (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< 0 ~M~0)) (not (< .cse85 c_~min3~0)) (< .cse1 ~M~0) (= .cse83 .cse85) (<= c_~min2~0 .cse85)))) (not (< .cse84 c_~min1~0)) (< (select .cse86 c_~A~0.offset) c_~min2~0))))) (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int))) (let ((.cse90 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse87 (select .cse90 c_~A~0.offset)) (.cse88 (select .cse90 .cse3))) (or (not (< .cse87 c_~min2~0)) (= .cse87 .cse88) (forall ((~M~0 Int)) (let ((.cse89 (select .cse90 (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< 0 ~M~0)) (not (< .cse89 c_~min3~0)) (< .cse1 ~M~0) (<= (+ .cse89 1) .cse87)))) (< (select .cse90 .cse5) c_~min1~0) (not (< .cse88 c_~min1~0)))))) (or (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int)) (~M~0 Int)) (let ((.cse91 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse92 (select .cse91 c_~A~0.offset))) (or (not (< 0 ~M~0)) (< (select .cse91 .cse3) c_~min1~0) (not (< .cse92 c_~min2~0)) (< (select .cse91 (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (< .cse1 ~M~0) (<= .cse92 c_~min3~0) (< (select .cse91 .cse5) c_~min1~0))))) .cse33) (forall ((v_ArrVal_513 (Array Int Int)) (~M~0 Int)) (or (not (< 0 ~M~0)) (< .cse1 ~M~0) (forall ((v_ArrVal_514 (Array Int Int))) (let ((.cse94 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse95 (select .cse94 .cse5)) (.cse93 (select .cse94 c_~A~0.offset))) (or (not (< .cse93 c_~min2~0)) (< (select .cse94 (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (< (select .cse94 .cse3) .cse95) (= .cse93 .cse95) (not (< .cse95 c_~min1~0)) (<= .cse14 .cse93))))))) (forall ((v_ArrVal_513 (Array Int Int)) (~M~0 Int)) (or (forall ((v_ArrVal_514 (Array Int Int))) (let ((.cse99 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse96 (select .cse99 .cse3)) (.cse98 (select .cse99 c_~A~0.offset)) (.cse97 (select .cse99 .cse5))) (or (not (< .cse96 .cse97)) (not (< .cse98 c_~min2~0)) (< (select .cse99 (+ c_~A~0.offset (* ~M~0 4))) c_~min3~0) (= .cse96 c_~min3~0) (<= .cse98 c_~min3~0) (not (< .cse97 c_~min1~0)))))) (not (< 0 ~M~0)) (< .cse1 ~M~0))) (forall ((v_ArrVal_513 (Array Int Int)) (v_ArrVal_514 (Array Int Int))) (let ((.cse102 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_513) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_514) c_~A~0.base))) (let ((.cse101 (select .cse102 c_~A~0.offset))) (or (forall ((~M~0 Int)) (let ((.cse100 (select .cse102 (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< 0 ~M~0)) (not (< .cse100 c_~min3~0)) (< .cse1 ~M~0) (= c_~min1~0 .cse100) (<= .cse101 .cse100)))) (< (select .cse102 .cse3) c_~min1~0) (not (< .cse101 c_~min2~0)) (< (select .cse102 .cse5) c_~min1~0)))))))) is different from false [2022-11-18 01:47:09,081 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:47:09,081 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 184 treesize of output 124 [2022-11-18 01:47:09,107 INFO L321 Elim1Store]: treesize reduction 17, result has 19.0 percent of original size [2022-11-18 01:47:09,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1640 treesize of output 1568 [2022-11-18 01:47:09,171 INFO L321 Elim1Store]: treesize reduction 17, result has 19.0 percent of original size [2022-11-18 01:47:09,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1564 treesize of output 1360 [2022-11-18 01:47:09,238 INFO L321 Elim1Store]: treesize reduction 17, result has 19.0 percent of original size [2022-11-18 01:47:09,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1356 treesize of output 1256 [2022-11-18 01:47:09,311 INFO L321 Elim1Store]: treesize reduction 17, result has 19.0 percent of original size [2022-11-18 01:47:09,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 762 treesize of output 714 [2022-11-18 01:47:10,811 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:47:10,812 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 148 treesize of output 100 [2022-11-18 01:47:10,849 INFO L321 Elim1Store]: treesize reduction 17, result has 19.0 percent of original size [2022-11-18 01:47:10,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2303 treesize of output 2195 [2022-11-18 01:47:10,904 INFO L321 Elim1Store]: treesize reduction 17, result has 19.0 percent of original size [2022-11-18 01:47:10,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2191 treesize of output 1907 [2022-11-18 01:47:10,957 INFO L321 Elim1Store]: treesize reduction 17, result has 19.0 percent of original size [2022-11-18 01:47:10,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1903 treesize of output 1763 [2022-11-18 01:47:11,024 INFO L321 Elim1Store]: treesize reduction 17, result has 19.0 percent of original size [2022-11-18 01:47:11,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1759 treesize of output 1691 [2022-11-18 01:47:15,520 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:47:15,521 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 119 treesize of output 83 [2022-11-18 01:47:15,556 INFO L321 Elim1Store]: treesize reduction 17, result has 19.0 percent of original size [2022-11-18 01:47:15,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 493 treesize of output 475 [2022-11-18 01:47:15,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:47:15,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:47:15,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 227 [2022-11-18 01:47:15,610 INFO L321 Elim1Store]: treesize reduction 17, result has 19.0 percent of original size [2022-11-18 01:47:15,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 457 treesize of output 405 [2022-11-18 01:47:15,643 INFO L321 Elim1Store]: treesize reduction 17, result has 19.0 percent of original size [2022-11-18 01:47:15,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 401 treesize of output 377 [2022-11-18 01:47:16,013 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:47:16,013 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 122 treesize of output 1 [2022-11-18 01:47:16,026 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:47:16,026 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 148 treesize of output 1 [2022-11-18 01:47:16,040 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:47:16,041 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 1 [2022-11-18 01:47:16,054 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:47:16,054 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 176 treesize of output 1 [2022-11-18 01:47:16,074 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:47:16,074 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 150 treesize of output 1 [2022-11-18 01:47:16,089 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:47:16,089 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 1 [2022-11-18 01:47:16,103 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:47:16,103 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 211 treesize of output 1 [2022-11-18 01:47:16,123 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:47:16,123 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 140 treesize of output 1 [2022-11-18 01:47:16,138 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:47:16,138 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 148 treesize of output 1 [2022-11-18 01:47:16,153 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:47:16,154 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 151 treesize of output 1 [2022-11-18 01:47:16,168 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:47:16,169 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 1 [2022-11-18 01:47:16,185 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:47:16,186 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 208 treesize of output 1 [2022-11-18 01:47:16,201 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:47:16,201 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 210 treesize of output 1 [2022-11-18 01:47:16,215 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:47:16,216 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 1 [2022-11-18 01:47:16,228 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:47:16,228 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 113 treesize of output 1 [2022-11-18 01:47:16,242 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:47:16,242 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 1 [2022-11-18 01:47:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 01:47:17,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509485989] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:47:17,534 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:47:17,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 35, 28] total 76 [2022-11-18 01:47:17,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404281482] [2022-11-18 01:47:17,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:47:17,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-11-18 01:47:17,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:47:17,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-11-18 01:47:17,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=704, Invalid=4763, Unknown=87, NotChecked=146, Total=5700 [2022-11-18 01:47:17,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:17,539 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:47:17,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 4.75) internal successors, (361), 76 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:47:17,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:17,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:47:17,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:47:17,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:47:17,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-18 01:47:17,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:47:17,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:47:17,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:47:17,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-11-18 01:47:17,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-11-18 01:47:17,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:47:17,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-11-18 01:47:17,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:47:17,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-11-18 01:47:17,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:47:17,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:48:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:48:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:48:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-18 01:48:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:48:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:48:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:48:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-11-18 01:48:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-11-18 01:48:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:48:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-11-18 01:48:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:48:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-11-18 01:48:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:48:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-11-18 01:48:54,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-18 01:48:54,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-18 01:48:54,486 INFO L420 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)] === [2022-11-18 01:48:54,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:54,486 INFO L85 PathProgramCache]: Analyzing trace with hash -2017837283, now seen corresponding path program 3 times [2022-11-18 01:48:54,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:54,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326477300] [2022-11-18 01:48:54,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:54,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:54,891 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:48:54,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:54,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326477300] [2022-11-18 01:48:54,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326477300] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:48:54,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402155796] [2022-11-18 01:48:54,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 01:48:54,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:48:54,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:48:54,894 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:48:54,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-18 01:48:55,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-18 01:48:55,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:48:55,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 01:48:55,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:48:55,535 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 01:48:55,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:48:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-18 01:48:55,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402155796] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:48:55,956 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:48:55,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 12] total 36 [2022-11-18 01:48:55,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066349781] [2022-11-18 01:48:55,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:48:55,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-18 01:48:55,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:55,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-18 01:48:55,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1152, Unknown=0, NotChecked=0, Total=1260 [2022-11-18 01:48:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:55,959 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:55,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.638888888888889) internal successors, (275), 36 states have internal predecessors, (275), 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) [2022-11-18 01:48:55,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:55,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:48:55,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:48:55,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:48:55,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-18 01:48:55,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:48:55,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:48:55,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:48:55,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-11-18 01:48:55,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-11-18 01:48:55,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-11-18 01:48:55,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-11-18 01:48:55,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:48:55,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-11-18 01:48:55,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:48:55,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-11-18 01:48:55,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:27,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:27,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:51:27,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:51:27,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:51:27,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-11-18 01:51:27,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-11-18 01:51:27,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:51:27,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:51:27,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-11-18 01:51:27,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-11-18 01:51:27,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-11-18 01:51:27,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-11-18 01:51:27,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:51:27,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2022-11-18 01:51:27,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:51:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2022-11-18 01:51:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2022-11-18 01:51:27,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-11-18 01:51:27,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-18 01:51:27,270 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:51:27,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:27,271 INFO L85 PathProgramCache]: Analyzing trace with hash -281078078, now seen corresponding path program 2 times [2022-11-18 01:51:27,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:27,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476517187] [2022-11-18 01:51:27,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:27,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:27,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:27,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476517187] [2022-11-18 01:51:27,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476517187] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:51:27,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101539160] [2022-11-18 01:51:27,510 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:51:27,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:27,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:27,516 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:51:27,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-18 01:51:27,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 01:51:27,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:51:27,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 01:51:27,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:51:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 01:51:27,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:51:28,130 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 01:51:28,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101539160] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:51:28,130 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:51:28,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 25 [2022-11-18 01:51:28,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819962568] [2022-11-18 01:51:28,131 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:51:28,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-18 01:51:28,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:28,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-18 01:51:28,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-11-18 01:51:28,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:28,132 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:28,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 9.48) internal successors, (237), 25 states have internal predecessors, (237), 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) [2022-11-18 01:51:28,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:28,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:51:28,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:51:28,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:51:28,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-11-18 01:51:28,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-11-18 01:51:28,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:51:28,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:51:28,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-11-18 01:51:28,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-11-18 01:51:28,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2022-11-18 01:51:28,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-11-18 01:51:28,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:51:28,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2022-11-18 01:51:28,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:51:28,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2022-11-18 01:51:28,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2022-11-18 01:51:28,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:51:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:51:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:51:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-11-18 01:51:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-11-18 01:51:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:51:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:51:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-11-18 01:51:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-11-18 01:51:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-11-18 01:51:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-11-18 01:51:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:51:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2022-11-18 01:51:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:51:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2022-11-18 01:51:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2022-11-18 01:51:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-11-18 01:51:31,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-18 01:51:31,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-18 01:51:31,360 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:51:31,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:31,360 INFO L85 PathProgramCache]: Analyzing trace with hash 965606947, now seen corresponding path program 9 times [2022-11-18 01:51:31,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:31,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738353883] [2022-11-18 01:51:31,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:31,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:31,639 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:31,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:31,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738353883] [2022-11-18 01:51:31,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738353883] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:51:31,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723768416] [2022-11-18 01:51:31,640 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 01:51:31,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:31,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:31,641 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:51:31,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-18 01:51:31,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-18 01:51:31,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:51:31,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 01:51:31,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:51:32,241 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:32,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:51:32,651 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:32,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723768416] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:51:32,652 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:51:32,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 27 [2022-11-18 01:51:32,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993785670] [2022-11-18 01:51:32,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:51:32,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-18 01:51:32,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:32,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-18 01:51:32,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=575, Unknown=0, NotChecked=0, Total=702 [2022-11-18 01:51:32,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:32,654 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:32,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.222222222222221) internal successors, (222), 27 states have internal predecessors, (222), 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) [2022-11-18 01:51:32,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:32,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:51:32,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:51:32,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:51:32,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-11-18 01:51:32,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-11-18 01:51:32,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:51:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:51:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-11-18 01:51:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-11-18 01:51:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-11-18 01:51:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-11-18 01:51:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:51:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2022-11-18 01:51:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:51:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2022-11-18 01:51:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2022-11-18 01:51:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-11-18 01:51:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:51:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:51:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:51:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-11-18 01:51:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-11-18 01:51:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:51:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:51:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-11-18 01:51:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-11-18 01:51:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-11-18 01:51:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-11-18 01:51:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:51:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2022-11-18 01:51:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:51:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2022-11-18 01:51:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2022-11-18 01:51:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-11-18 01:51:33,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:51:33,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-18 01:51:34,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:34,034 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:51:34,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:34,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1541486618, now seen corresponding path program 10 times [2022-11-18 01:51:34,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:34,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68613810] [2022-11-18 01:51:34,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:34,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:38,605 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:38,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:38,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68613810] [2022-11-18 01:51:38,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68613810] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:51:38,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860658744] [2022-11-18 01:51:38,605 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 01:51:38,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:38,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:38,606 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:51:38,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa34ebd-3f8f-43a8-a62c-b7967e0e532e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-18 01:51:38,752 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 01:51:38,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:51:38,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 66 conjunts are in the unsatisfiable core [2022-11-18 01:51:38,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:51:42,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:51:42,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 87 [2022-11-18 01:51:45,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:51:45,693 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:51:45,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 164 treesize of output 108 [2022-11-18 01:51:47,364 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:47,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:52:51,354 WARN L233 SmtUtils]: Spent 43.66s on a formula simplification that was a NOOP. DAG size: 1652 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-18 01:52:51,355 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:52:51,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 30 select indices, 30 select index equivalence classes, 0 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 435 case distinctions, treesize of input 1980 treesize of output 6841 [2022-11-18 01:52:52,993 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:52:52,994 INFO L350 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 1358 treesize of output 1325 [2022-11-18 01:52:54,363 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:52:54,364 INFO L350 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 1325 treesize of output 1299 [2022-11-18 01:52:55,720 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:52:55,721 INFO L350 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 1299 treesize of output 1286 [2022-11-18 01:52:57,068 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:52:57,069 INFO L350 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 1286 treesize of output 1261 [2022-11-18 01:52:58,423 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:52:58,424 INFO L350 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 1261 treesize of output 1234 [2022-11-18 01:52:59,827 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:52:59,828 INFO L350 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 1234 treesize of output 1214 [2022-11-18 01:53:01,183 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:53:01,184 INFO L350 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 1214 treesize of output 1183 [2022-11-18 01:53:02,510 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:53:02,511 INFO L350 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 1183 treesize of output 1170 [2022-11-18 01:53:03,871 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:53:03,871 INFO L350 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 1170 treesize of output 1137 [2022-11-18 01:53:05,236 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:53:05,237 INFO L350 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 1137 treesize of output 1110 [2022-11-18 01:53:06,597 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:53:06,598 INFO L350 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 1110 treesize of output 1085 [2022-11-18 01:53:07,953 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:53:07,954 INFO L350 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 1085 treesize of output 1059 [2022-11-18 01:53:09,341 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:53:09,342 INFO L350 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 1059 treesize of output 1039 [2022-11-18 01:53:10,679 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:53:10,680 INFO L350 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 1039 treesize of output 1008