./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/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_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/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_d9d8be84-2bc4-4dbe-b43b-85727947bc22/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 4b8273370cd4ec5730806cf9b8f54c915e93daab6c48b9546d3920e402afdc55 --- 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 01:47:49,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:47:49,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:47:49,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:47:49,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:47:49,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:47:49,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:47:49,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:47:49,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:47:49,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:47:49,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:47:49,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:47:49,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:47:49,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:47:49,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:47:49,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:47:49,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:47:49,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:47:49,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:47:49,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:47:49,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:47:49,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:47:49,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:47:49,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:47:49,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:47:49,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:47:49,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:47:49,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:47:50,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:47:50,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:47:50,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:47:50,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:47:50,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:47:50,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:47:50,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:47:50,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:47:50,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:47:50,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:47:50,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:47:50,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:47:50,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:47:50,015 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-18 01:47:50,054 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:47:50,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:47:50,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:47:50,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:47:50,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:47:50,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:47:50,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:47:50,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:47:50,058 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:47:50,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:47:50,058 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:47:50,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 01:47:50,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:47:50,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:47:50,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 01:47:50,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:47:50,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 01:47:50,060 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:47:50,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 01:47:50,060 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:47:50,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 01:47:50,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:47:50,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:47:50,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-18 01:47:50,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:47:50,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:47:50,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:47:50,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:47:50,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 01:47:50,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 01:47:50,062 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-18 01:47:50,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 01:47:50,063 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:47:50,063 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:47:50,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 01:47:50,063 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:47:50,064 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:47:50,064 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_d9d8be84-2bc4-4dbe-b43b-85727947bc22/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b8273370cd4ec5730806cf9b8f54c915e93daab6c48b9546d3920e402afdc55 [2022-11-18 01:47:50,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:47:50,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:47:50,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:47:50,466 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:47:50,467 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:47:50,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c [2022-11-18 01:47:50,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/data/3378cb7c2/ddc3212ffdf34f0d87dd5a1e3534e8e5/FLAGb6217cbe4 [2022-11-18 01:47:51,066 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:47:51,067 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c [2022-11-18 01:47:51,081 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/data/3378cb7c2/ddc3212ffdf34f0d87dd5a1e3534e8e5/FLAGb6217cbe4 [2022-11-18 01:47:51,424 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/data/3378cb7c2/ddc3212ffdf34f0d87dd5a1e3534e8e5 [2022-11-18 01:47:51,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:47:51,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:47:51,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:47:51,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:47:51,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:47:51,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:47:51" (1/1) ... [2022-11-18 01:47:51,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54da0cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:51, skipping insertion in model container [2022-11-18 01:47:51,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:47:51" (1/1) ... [2022-11-18 01:47:51,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:47:51,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:47:51,772 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_d9d8be84-2bc4-4dbe-b43b-85727947bc22/sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c[2691,2704] [2022-11-18 01:47:51,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:47:51,801 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 01:47:51,831 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_d9d8be84-2bc4-4dbe-b43b-85727947bc22/sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c[2691,2704] [2022-11-18 01:47:51,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:47:51,855 INFO L208 MainTranslator]: Completed translation [2022-11-18 01:47:51,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:51 WrapperNode [2022-11-18 01:47:51,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:47:51,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 01:47:51,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 01:47:51,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 01:47:51,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:51" (1/1) ... [2022-11-18 01:47:51,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:51" (1/1) ... [2022-11-18 01:47:51,929 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 150 [2022-11-18 01:47:51,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 01:47:51,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 01:47:51,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 01:47:51,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 01:47:51,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:51" (1/1) ... [2022-11-18 01:47:51,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:51" (1/1) ... [2022-11-18 01:47:51,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:51" (1/1) ... [2022-11-18 01:47:51,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:51" (1/1) ... [2022-11-18 01:47:51,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:51" (1/1) ... [2022-11-18 01:47:51,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:51" (1/1) ... [2022-11-18 01:47:51,986 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:51" (1/1) ... [2022-11-18 01:47:51,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:51" (1/1) ... [2022-11-18 01:47:51,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 01:47:51,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 01:47:52,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 01:47:52,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 01:47:52,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:51" (1/1) ... [2022-11-18 01:47:52,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:47:52,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:47:52,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 01:47:52,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 01:47:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 01:47:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 01:47:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 01:47:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 01:47:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 01:47:52,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 01:47:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 01:47:52,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 01:47:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 01:47:52,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 01:47:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 01:47:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 01:47:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 01:47:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 01:47:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 01:47:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 01:47:52,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 01:47:52,097 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 01:47:52,232 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 01:47:52,235 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 01:47:52,763 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 01:47:52,860 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 01:47:52,860 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-18 01:47:52,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:47:52 BoogieIcfgContainer [2022-11-18 01:47:52,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 01:47:52,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 01:47:52,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 01:47:52,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 01:47:52,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:47:51" (1/3) ... [2022-11-18 01:47:52,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51aadb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:47:52, skipping insertion in model container [2022-11-18 01:47:52,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:51" (2/3) ... [2022-11-18 01:47:52,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51aadb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:47:52, skipping insertion in model container [2022-11-18 01:47:52,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:47:52" (3/3) ... [2022-11-18 01:47:52,876 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2022-11-18 01:47:52,887 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 01:47:52,900 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 01:47:52,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 01:47:52,901 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 01:47:53,000 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-18 01:47:53,056 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:47:53,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-18 01:47:53,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:47:53,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-18 01:47:53,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-18 01:47:53,106 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-18 01:47:53,141 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-18 01:47:53,148 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;@1db890c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:47:53,148 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-18 01:47:53,604 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 01:47:53,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:47:53,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1625666681, now seen corresponding path program 1 times [2022-11-18 01:47:53,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:47:53,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019021865] [2022-11-18 01:47:53,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:47:53,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:47:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:47:54,061 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 01:47:54,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:47:54,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019021865] [2022-11-18 01:47:54,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019021865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:47:54,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:47:54,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 01:47:54,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124222070] [2022-11-18 01:47:54,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:47:54,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 01:47:54,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:47:54,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 01:47:54,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 01:47:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:54,116 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:47:54,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 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 01:47:54,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:54,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:54,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 01:47:54,167 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 01:47:54,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:47:54,168 INFO L85 PathProgramCache]: Analyzing trace with hash -15179574, now seen corresponding path program 1 times [2022-11-18 01:47:54,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:47:54,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484946310] [2022-11-18 01:47:54,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:47:54,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:47:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:47:55,678 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 01:47:55,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:47:55,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484946310] [2022-11-18 01:47:55,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484946310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:47:55,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:47:55,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 01:47:55,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569987436] [2022-11-18 01:47:55,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:47:55,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 01:47:55,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:47:55,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 01:47:55,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 01:47:55,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:55,691 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:47:55,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 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 01:47:55,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:55,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:55,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:47:55,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 01:47:55,985 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 01:47:55,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:47:55,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1734189167, now seen corresponding path program 1 times [2022-11-18 01:47:55,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:47:55,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608818487] [2022-11-18 01:47:55,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:47:55,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:47:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:47:56,329 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 01:47:56,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:47:56,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608818487] [2022-11-18 01:47:56,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608818487] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:47:56,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:47:56,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 01:47:56,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366569439] [2022-11-18 01:47:56,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:47:56,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 01:47:56,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:47:56,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 01:47:56,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 01:47:56,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:56,345 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:47:56,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 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 01:47:56,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:56,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:47:56,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:56,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:56,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:47:56,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:47:56,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 01:47:56,684 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 01:47:56,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:47:56,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1844118636, now seen corresponding path program 1 times [2022-11-18 01:47:56,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:47:56,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045961904] [2022-11-18 01:47:56,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:47:56,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:47:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:47:56,951 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 01:47:56,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:47:56,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045961904] [2022-11-18 01:47:56,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045961904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:47:56,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:47:56,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 01:47:56,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104938462] [2022-11-18 01:47:56,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:47:56,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 01:47:56,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:47:56,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 01:47:56,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 01:47:56,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:56,954 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:47:56,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 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 01:47:56,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:56,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:47:56,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:47:56,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:57,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:57,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:47:57,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:47:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:47:57,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 01:47:57,793 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 01:47:57,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:47:57,795 INFO L85 PathProgramCache]: Analyzing trace with hash 80464260, now seen corresponding path program 1 times [2022-11-18 01:47:57,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:47:57,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308163342] [2022-11-18 01:47:57,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:47:57,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:47:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:47:58,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 01:47:58,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:47:58,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308163342] [2022-11-18 01:47:58,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308163342] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:47:58,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943391014] [2022-11-18 01:47:58,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:47:58,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:47:58,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:47:58,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:47:58,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 01:47:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:47:58,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 01:47:58,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:47:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 01:47:58,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:47:59,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 01:47:59,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943391014] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 01:47:59,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:47:59,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-11-18 01:47:59,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388798588] [2022-11-18 01:47:59,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:47:59,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 01:47:59,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:47:59,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 01:47:59,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-18 01:47:59,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:59,216 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:47:59,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 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 01:47:59,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:59,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:47:59,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:47:59,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:47:59,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:59,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:59,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:47:59,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:47:59,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:47:59,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:47:59,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 01:47:59,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:47:59,987 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 01:47:59,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:47:59,988 INFO L85 PathProgramCache]: Analyzing trace with hash -392970657, now seen corresponding path program 1 times [2022-11-18 01:47:59,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:47:59,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011865148] [2022-11-18 01:47:59,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:47:59,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:00,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:48:00,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:00,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011865148] [2022-11-18 01:48:00,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011865148] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:48:00,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237276227] [2022-11-18 01:48:00,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:00,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:48:00,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:48:00,359 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:48:00,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 01:48:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:00,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 01:48:00,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:48:00,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:48:00,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:48:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:48:01,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237276227] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 01:48:01,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:48:01,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-11-18 01:48:01,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337257152] [2022-11-18 01:48:01,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:48:01,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 01:48:01,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:01,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 01:48:01,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-18 01:48:01,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:01,338 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:01,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 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 01:48:01,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:01,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:48:01,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:48:01,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:48:01,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:48:01,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:48:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:48:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:48:01,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:48:01,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:48:01,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 01:48:02,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-18 01:48:02,076 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 01:48:02,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:02,076 INFO L85 PathProgramCache]: Analyzing trace with hash -39254029, now seen corresponding path program 1 times [2022-11-18 01:48:02,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:02,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5287207] [2022-11-18 01:48:02,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:02,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:02,368 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:48:02,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:02,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5287207] [2022-11-18 01:48:02,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5287207] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:48:02,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222044631] [2022-11-18 01:48:02,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:02,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:48:02,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:48:02,371 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:48:02,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 01:48:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:02,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 01:48:02,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:48:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:48:02,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:48:03,320 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:48:03,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222044631] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 01:48:03,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:48:03,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-11-18 01:48:03,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401410020] [2022-11-18 01:48:03,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:48:03,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 01:48:03,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:03,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 01:48:03,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-18 01:48:03,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:03,324 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:03,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 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 01:48:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:48:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:48:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:48:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:48:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:48:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:03,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:03,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:48:03,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:48:03,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:48:03,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:48:03,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:48:03,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:48:03,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-18 01:48:04,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:48:04,033 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 01:48:04,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:04,033 INFO L85 PathProgramCache]: Analyzing trace with hash -2035250010, now seen corresponding path program 1 times [2022-11-18 01:48:04,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:04,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659656059] [2022-11-18 01:48:04,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:04,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:08,237 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 01:48:08,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:08,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659656059] [2022-11-18 01:48:08,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659656059] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:48:08,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507537123] [2022-11-18 01:48:08,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:08,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:48:08,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:48:08,247 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:48:08,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 01:48:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:08,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 82 conjunts are in the unsatisfiable core [2022-11-18 01:48:08,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:48:09,235 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 01:48:09,624 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 11 treesize of output 7 [2022-11-18 01:48:10,613 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-18 01:48:10,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-18 01:48:11,057 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 01:48:12,202 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 01:48:12,203 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 11 treesize of output 11 [2022-11-18 01:48:12,528 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 01:48:12,955 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 01:48:13,290 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 01:48:13,623 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 01:48:14,499 INFO L321 Elim1Store]: treesize reduction 36, result has 54.4 percent of original size [2022-11-18 01:48:14,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 58 [2022-11-18 01:48:15,635 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:48:15,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 166 [2022-11-18 01:48:16,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:48:16,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:49:37,402 WARN L837 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~B~0.base Int) (~C~0.base Int)) (let ((.cse3 (select |c_#memory_int| ~B~0.base))) (let ((.cse1 (select .cse3 (+ (* c_thread1Thread1of1ForFork0_~i~0 4) c_~B~0.offset))) (.cse0 (select (let ((.cse2 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select |c_#memory_int| ~C~0.base) (+ .cse2 ~C~0.offset) (+ (select .cse3 (+ .cse2 c_~B~0.offset)) (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse2))))) (+ (* c_thread3Thread1of1ForFork2_~i~2 4) ~C~0.offset)))) (= (+ .cse0 (* (div (+ .cse1 c_~asum~0 c_~bsum~0 |c_thread1Thread1of1ForFork0_#t~mem2|) 4294967296) 4294967296) c_~csum~0) (+ .cse1 c_~asum~0 c_~bsum~0 |c_thread1Thread1of1ForFork0_#t~mem2| (* (div (+ .cse0 c_~csum~0) 4294967296) 4294967296)))))) is different from false [2022-11-18 01:49:39,440 WARN L837 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~B~0.base Int) (~C~0.base Int)) (let ((.cse5 (select |c_#memory_int| c_~A~0.base)) (.cse4 (select |c_#memory_int| ~B~0.base)) (.cse6 (* c_thread1Thread1of1ForFork0_~i~0 4))) (let ((.cse1 (select .cse4 (+ .cse6 c_~B~0.offset))) (.cse2 (select .cse5 (+ c_~A~0.offset .cse6))) (.cse0 (select (let ((.cse3 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select |c_#memory_int| ~C~0.base) (+ .cse3 ~C~0.offset) (+ (select .cse4 (+ .cse3 c_~B~0.offset)) (select .cse5 (+ c_~A~0.offset .cse3))))) (+ (* c_thread3Thread1of1ForFork2_~i~2 4) ~C~0.offset)))) (= (+ .cse0 (* 4294967296 (div (+ .cse1 c_~asum~0 c_~bsum~0 .cse2) 4294967296)) c_~csum~0) (+ .cse1 c_~asum~0 c_~bsum~0 .cse2 (* (div (+ .cse0 c_~csum~0) 4294967296) 4294967296)))))) is different from false [2022-11-18 01:51:14,232 WARN L837 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (v_ArrVal_281 (Array Int Int)) (~B~0.base Int) (~C~0.base Int)) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_281))) (let ((.cse4 (* c_thread1Thread1of1ForFork0_~i~0 4)) (.cse5 (select .cse6 ~B~0.base)) (.cse3 (select .cse6 c_~A~0.base))) (let ((.cse2 (select (let ((.cse7 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse6 ~C~0.base) (+ .cse7 ~C~0.offset) (+ (select .cse5 (+ .cse7 c_~B~0.offset)) (select .cse3 (+ c_~A~0.offset .cse7))))) ~C~0.offset)) (.cse0 (select .cse5 (+ .cse4 c_~B~0.offset))) (.cse1 (select .cse3 (+ c_~A~0.offset .cse4)))) (= (+ (* (div (+ c_~asum~0 c_~bsum~0 .cse0 .cse1) 4294967296) 4294967296) c_~csum~0 .cse2) (+ c_~asum~0 (* (div (+ c_~csum~0 .cse2) 4294967296) 4294967296) c_~bsum~0 .cse0 .cse1)))))) is different from false [2022-11-18 01:51:14,395 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_281 (Array Int Int)) (~B~0.base Int)) (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_281))) (let ((.cse5 (* c_thread1Thread1of1ForFork0_~i~0 4)) (.cse6 (select .cse7 ~B~0.base)) (.cse4 (select .cse7 c_~A~0.base))) (let ((.cse0 (select .cse4 c_~A~0.offset)) (.cse3 (select .cse6 c_~B~0.offset)) (.cse1 (select .cse6 (+ .cse5 c_~B~0.offset))) (.cse2 (select .cse4 (+ c_~A~0.offset .cse5)))) (= (+ .cse0 (* (div (+ c_~asum~0 c_~bsum~0 .cse1 .cse2) 4294967296) 4294967296) .cse3 c_~csum~0) (+ c_~asum~0 c_~bsum~0 (* (div (+ .cse0 .cse3 c_~csum~0) 4294967296) 4294967296) .cse1 .cse2)))))) is different from false [2022-11-18 01:51:14,462 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_281 (Array Int Int)) (v_ArrVal_280 (Array Int Int)) (~B~0.base Int)) (let ((.cse7 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_280) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_281))) (let ((.cse5 (* c_thread1Thread1of1ForFork0_~i~0 4)) (.cse4 (select .cse7 ~B~0.base)) (.cse6 (select .cse7 c_~A~0.base))) (let ((.cse1 (select .cse6 c_~A~0.offset)) (.cse2 (select .cse4 c_~B~0.offset)) (.cse0 (select .cse6 (+ c_~A~0.offset .cse5))) (.cse3 (select .cse4 (+ .cse5 c_~B~0.offset)))) (= (+ .cse0 (* 4294967296 (div (+ .cse1 .cse2 c_~csum~0) 4294967296)) c_~asum~0 c_~bsum~0 .cse3) (+ .cse1 .cse2 c_~csum~0 (* (div (+ .cse0 c_~asum~0 c_~bsum~0 .cse3) 4294967296) 4294967296))))))) is different from false [2022-11-18 01:51:20,491 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 10 treesize of output 8 [2022-11-18 01:51:29,023 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 1 not checked. [2022-11-18 01:51:29,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507537123] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:51:29,023 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:51:29,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 37, 18] total 77 [2022-11-18 01:51:29,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831282601] [2022-11-18 01:51:29,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:51:29,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2022-11-18 01:51:29,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:29,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2022-11-18 01:51:29,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=644, Invalid=4420, Unknown=68, NotChecked=720, Total=5852 [2022-11-18 01:51:29,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:29,029 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:29,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 6.701298701298701) internal successors, (516), 77 states have internal predecessors, (516), 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 01:51:29,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:51:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:51:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:51:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:51:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:51:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:51:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:20,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:20,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:52:20,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:20,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:20,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:20,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:20,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:20,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-11-18 01:52:20,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 01:52:20,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:52:20,432 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 01:52:20,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:52:20,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1127111405, now seen corresponding path program 2 times [2022-11-18 01:52:20,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:52:20,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735799940] [2022-11-18 01:52:20,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:52:20,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:52:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:52:21,109 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:52:21,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:52:21,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735799940] [2022-11-18 01:52:21,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735799940] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:52:21,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173597172] [2022-11-18 01:52:21,111 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:52:21,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:52:21,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:52:21,127 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:52:21,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 01:52:21,309 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 01:52:21,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:52:21,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 01:52:21,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:52:22,758 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:52:22,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:52:24,125 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:52:24,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173597172] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:52:24,126 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:52:24,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-11-18 01:52:24,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836560902] [2022-11-18 01:52:24,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:52:24,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-18 01:52:24,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:52:24,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-18 01:52:24,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2022-11-18 01:52:24,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:24,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:52:24,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 14.625) internal successors, (351), 24 states have internal predecessors, (351), 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 01:52:24,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:24,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:52:24,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:24,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:24,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:24,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:24,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:24,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-11-18 01:52:24,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:52:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:27,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-11-18 01:52:27,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:52:27,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 01:52:27,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-18 01:52:27,593 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 01:52:27,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:52:27,594 INFO L85 PathProgramCache]: Analyzing trace with hash -633535376, now seen corresponding path program 3 times [2022-11-18 01:52:27,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:52:27,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84210274] [2022-11-18 01:52:27,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:52:27,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:52:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:52:28,301 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:52:28,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:52:28,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84210274] [2022-11-18 01:52:28,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84210274] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:52:28,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990518394] [2022-11-18 01:52:28,302 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 01:52:28,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:52:28,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:52:28,303 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:52:28,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 01:52:28,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-18 01:52:28,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:52:28,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 01:52:28,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:52:29,701 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:52:29,701 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:52:31,009 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:52:31,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990518394] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:52:31,010 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:52:31,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-11-18 01:52:31,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53219303] [2022-11-18 01:52:31,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:52:31,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-18 01:52:31,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:52:31,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-18 01:52:31,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2022-11-18 01:52:31,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:31,014 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:52:31,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 14.916666666666666) internal successors, (358), 24 states have internal predecessors, (358), 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 01:52:31,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:31,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:52:31,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:31,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:31,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:31,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:31,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-11-18 01:52:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:52:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:34,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:34,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:52:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:34,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:34,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-11-18 01:52:34,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:52:34,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:52:34,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 01:52:34,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-18 01:52:34,473 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 01:52:34,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:52:34,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1964469816, now seen corresponding path program 4 times [2022-11-18 01:52:34,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:52:34,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024866452] [2022-11-18 01:52:34,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:52:34,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:52:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:52:35,157 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:52:35,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:52:35,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024866452] [2022-11-18 01:52:35,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024866452] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:52:35,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429564603] [2022-11-18 01:52:35,168 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 01:52:35,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:52:35,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:52:35,169 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:52:35,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 01:52:35,322 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 01:52:35,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:52:35,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 01:52:35,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:52:36,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:52:36,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:52:38,008 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:52:38,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429564603] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:52:38,008 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:52:38,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-11-18 01:52:38,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832630220] [2022-11-18 01:52:38,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:52:38,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-18 01:52:38,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:52:38,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-18 01:52:38,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2022-11-18 01:52:38,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:38,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:52:38,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 12.25) internal successors, (294), 24 states have internal predecessors, (294), 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 01:52:38,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:38,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:52:38,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:38,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:38,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:38,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:38,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:38,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-11-18 01:52:38,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:52:38,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:52:38,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:41,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:41,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:52:41,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:41,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:41,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:41,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:41,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:41,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-11-18 01:52:41,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:52:41,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:52:41,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:52:41,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 01:52:41,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:52:41,759 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 01:52:41,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:52:41,760 INFO L85 PathProgramCache]: Analyzing trace with hash 173768180, now seen corresponding path program 1 times [2022-11-18 01:52:41,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:52:41,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853646979] [2022-11-18 01:52:41,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:52:41,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:52:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:52:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 01:52:42,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:52:42,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853646979] [2022-11-18 01:52:42,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853646979] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:52:42,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:52:42,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 01:52:42,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689197165] [2022-11-18 01:52:42,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:52:42,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 01:52:42,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:52:42,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 01:52:42,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 01:52:42,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:42,284 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:52:42,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.666666666666664) internal successors, (196), 6 states have internal predecessors, (196), 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 01:52:42,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:42,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:52:42,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:42,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:42,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:42,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:42,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:42,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-11-18 01:52:42,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:52:42,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:52:42,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:52:42,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:52:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:52:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:42,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:42,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:52:42,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-11-18 01:52:42,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:52:42,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:52:42,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:52:42,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:52:42,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 01:52:42,915 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 01:52:42,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:52:42,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1662163380, now seen corresponding path program 2 times [2022-11-18 01:52:42,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:52:42,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868605758] [2022-11-18 01:52:42,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:52:42,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:52:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:52:48,463 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 01:52:48,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:52:48,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868605758] [2022-11-18 01:52:48,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868605758] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:52:48,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225475779] [2022-11-18 01:52:48,464 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:52:48,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:52:48,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:52:48,467 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:52:48,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 01:52:48,696 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 01:52:48,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:52:48,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-18 01:52:48,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:52:54,172 INFO L321 Elim1Store]: treesize reduction 36, result has 52.0 percent of original size [2022-11-18 01:52:54,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 54 [2022-11-18 01:52:57,928 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:52:57,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 113 treesize of output 205 [2022-11-18 01:52:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 01:52:58,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:53:01,293 WARN L837 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~C~0.base Int)) (= (mod (+ (select (let ((.cse0 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select |c_#memory_int| ~C~0.base) (+ .cse0 ~C~0.offset) (+ (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse0)) (select (select |c_#memory_int| c_~B~0.base) (+ .cse0 c_~B~0.offset))))) (+ (* c_thread3Thread1of1ForFork2_~i~2 4) ~C~0.offset)) c_~csum~0) 4294967296) (mod (+ c_~asum~0 c_~bsum~0) 4294967296))) is different from false [2022-11-18 01:53:33,981 WARN L837 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~B~0.base Int) (~C~0.base Int)) (let ((.cse0 (select |c_#memory_int| ~B~0.base))) (= (mod (+ (select .cse0 (+ (* c_thread1Thread1of1ForFork0_~i~0 4) c_~B~0.offset)) c_~asum~0 c_~bsum~0 |c_thread1Thread1of1ForFork0_#t~mem2|) 4294967296) (mod (+ (select (let ((.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select |c_#memory_int| ~C~0.base) (+ .cse1 ~C~0.offset) (+ (select .cse0 (+ .cse1 c_~B~0.offset)) (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse1))))) (+ (* c_thread3Thread1of1ForFork2_~i~2 4) ~C~0.offset)) c_~csum~0) 4294967296)))) is different from false [2022-11-18 01:53:34,054 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:53:34,055 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 62 treesize of output 77 [2022-11-18 01:53:34,077 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 87 treesize of output 81 [2022-11-18 01:53:34,158 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:53:34,158 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 38 treesize of output 39 [2022-11-18 01:53:34,200 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:53:34,200 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 37 treesize of output 38 [2022-11-18 01:53:40,317 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 4 not checked. [2022-11-18 01:53:40,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225475779] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:53:40,317 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:53:40,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 26, 15] total 54 [2022-11-18 01:53:40,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806480439] [2022-11-18 01:53:40,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:53:40,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-11-18 01:53:40,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:53:40,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-11-18 01:53:40,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=431, Invalid=2213, Unknown=16, NotChecked=202, Total=2862 [2022-11-18 01:53:40,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:53:40,321 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:53:40,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 8.462962962962964) internal successors, (457), 54 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:53:40,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:53:40,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:53:40,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:53:40,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:53:40,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:53:40,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:53:40,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:53:40,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-11-18 01:53:40,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:53:40,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:53:40,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:53:40,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:53:40,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:54:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:54:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:54:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:54:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:54:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:05,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:05,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-11-18 01:54:05,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:54:05,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:54:05,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:54:05,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:54:05,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-11-18 01:54:05,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-18 01:54:05,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-18 01:54:05,751 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 01:54:05,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:54:05,752 INFO L85 PathProgramCache]: Analyzing trace with hash -599272154, now seen corresponding path program 5 times [2022-11-18 01:54:05,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:54:05,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118803517] [2022-11-18 01:54:05,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:54:05,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:54:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:54:06,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 01:54:06,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:54:06,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118803517] [2022-11-18 01:54:06,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118803517] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:54:06,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:54:06,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 01:54:06,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621477541] [2022-11-18 01:54:06,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:54:06,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 01:54:06,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:54:06,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 01:54:06,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 01:54:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:54:06,175 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:54:06,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 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 01:54:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:54:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:54:06,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:54:06,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:54:06,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:06,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:06,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:06,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-11-18 01:54:06,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:54:06,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:54:06,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:54:06,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:54:06,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-11-18 01:54:06,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:54:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:54:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:54:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:54:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:54:07,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:07,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:07,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:07,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-11-18 01:54:07,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:54:07,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:54:07,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:54:07,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:07,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:54:07,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:54:07,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 01:54:07,183 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 01:54:07,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:54:07,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1862127590, now seen corresponding path program 6 times [2022-11-18 01:54:07,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:54:07,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40807300] [2022-11-18 01:54:07,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:54:07,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:54:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:54:15,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 01:54:15,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:54:15,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40807300] [2022-11-18 01:54:15,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40807300] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:54:15,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468695479] [2022-11-18 01:54:15,023 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-18 01:54:15,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:54:15,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:54:15,024 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:54:15,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 01:54:15,230 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2022-11-18 01:54:15,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:54:15,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 72 conjunts are in the unsatisfiable core [2022-11-18 01:54:15,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:54:16,530 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 01:54:17,922 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 01:54:17,922 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 11 treesize of output 11 [2022-11-18 01:54:21,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:54:21,756 INFO L321 Elim1Store]: treesize reduction 75, result has 20.2 percent of original size [2022-11-18 01:54:21,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 31 treesize of output 38 [2022-11-18 01:54:23,014 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:54:23,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 39 [2022-11-18 01:54:23,435 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 01:54:23,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:54:26,244 WARN L837 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int)) (let ((.cse0 (let ((.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select |c_#memory_int| c_~C~0.base) (+ .cse1 ~C~0.offset) (+ (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select |c_#memory_int| c_~B~0.base) (+ .cse1 c_~B~0.offset))))))) (= (mod (+ c_~csum~0 (select .cse0 (+ (* c_thread3Thread1of1ForFork2_~i~2 4) ~C~0.offset))) 4294967296) (mod (+ c_~asum~0 c_~bsum~0 (select (select (store |c_#memory_int| c_~C~0.base .cse0) c_~B~0.base) (+ (* c_thread1Thread1of1ForFork0_~i~0 4) c_~B~0.offset))) 4294967296)))) is different from false [2022-11-18 01:54:28,311 WARN L837 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int)) (let ((.cse0 (let ((.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select |c_#memory_int| c_~C~0.base) (+ .cse1 ~C~0.offset) (+ (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select |c_#memory_int| c_~B~0.base) (+ .cse1 c_~B~0.offset))))))) (= (mod (+ c_~csum~0 (select .cse0 (+ (* c_thread3Thread1of1ForFork2_~i~2 4) ~C~0.offset))) 4294967296) (mod (+ c_~asum~0 c_~bsum~0 |c_thread1Thread1of1ForFork0_#t~mem2| (select (select (store |c_#memory_int| c_~C~0.base .cse0) c_~B~0.base) (+ (* c_thread1Thread1of1ForFork0_~i~0 4) c_~B~0.offset))) 4294967296)))) is different from false [2022-11-18 01:54:28,396 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:54:28,396 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 167 treesize of output 169 [2022-11-18 01:54:28,454 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:54:28,455 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 145 treesize of output 127 [2022-11-18 01:54:28,958 INFO L321 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2022-11-18 01:54:28,958 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 173 treesize of output 133 [2022-11-18 01:54:31,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:54:31,308 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:54:31,308 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 54 [2022-11-18 01:54:31,395 INFO L321 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2022-11-18 01:54:31,395 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 60 treesize of output 1 [2022-11-18 01:54:31,432 INFO L321 Elim1Store]: treesize reduction 12, result has 25.0 percent of original size [2022-11-18 01:54:31,432 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 79 treesize of output 53 [2022-11-18 01:54:38,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:54:38,839 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2022-11-18 01:54:38,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:54:38,886 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:54:38,886 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 120 treesize of output 1 [2022-11-18 01:54:38,910 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:54:38,911 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 46 treesize of output 1 [2022-11-18 01:54:43,749 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 1 not checked. [2022-11-18 01:54:43,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468695479] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:54:43,749 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:54:43,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 31, 25] total 68 [2022-11-18 01:54:43,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841970902] [2022-11-18 01:54:43,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:54:43,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-11-18 01:54:43,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:54:43,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-11-18 01:54:43,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=499, Invalid=3797, Unknown=2, NotChecked=258, Total=4556 [2022-11-18 01:54:43,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:54:43,754 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:54:43,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 6.279411764705882) internal successors, (427), 68 states have internal predecessors, (427), 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 01:54:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:54:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:54:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:54:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:54:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:43,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:43,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-11-18 01:54:43,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:54:43,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:54:43,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:54:43,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:43,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:54:43,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:54:43,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:54:58,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:54:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:54:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:54:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:54:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:58,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-11-18 01:54:58,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:54:58,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:54:58,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:54:58,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:54:58,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:54:58,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:54:58,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-18 01:54:58,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-18 01:54:58,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-18 01:54:58,805 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 01:54:58,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:54:58,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1769377374, now seen corresponding path program 7 times [2022-11-18 01:54:58,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:54:58,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101024277] [2022-11-18 01:54:58,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:54:58,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:54:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:55:05,383 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 01:55:05,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:55:05,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101024277] [2022-11-18 01:55:05,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101024277] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:55:05,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89446660] [2022-11-18 01:55:05,384 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-18 01:55:05,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:55:05,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:55:05,385 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:55:05,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8be84-2bc4-4dbe-b43b-85727947bc22/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-18 01:55:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:55:05,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 81 conjunts are in the unsatisfiable core [2022-11-18 01:55:05,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:55:06,037 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 01:55:07,454 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-18 01:55:07,454 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 14 [2022-11-18 01:55:09,465 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-18 01:55:09,467 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 16 treesize of output 18 [2022-11-18 01:55:12,549 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-18 01:55:12,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 21 treesize of output 24 [2022-11-18 01:55:14,424 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:55:14,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 27 [2022-11-18 01:55:14,618 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 01:55:14,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:55:15,732 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:55:15,733 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 372 treesize of output 352 [2022-11-18 01:55:17,086 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:55:17,087 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 168 treesize of output 138 [2022-11-18 01:55:17,676 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:55:17,677 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 52 treesize of output 53 [2022-11-18 01:55:17,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:55:17,838 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 40 [2022-11-18 01:55:17,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:55:17,884 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 88 [2022-11-18 01:55:17,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:55:17,968 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 40 [2022-11-18 01:55:18,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:55:18,034 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 174 [2022-11-18 01:55:18,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:55:18,169 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 127 [2022-11-18 01:55:18,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:55:18,244 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 88 [2022-11-18 01:55:18,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:55:18,336 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 40 [2022-11-18 01:55:18,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:55:18,393 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 83 [2022-11-18 01:55:18,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:55:18,464 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 83 [2022-11-18 01:55:18,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:55:18,526 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 116 [2022-11-18 01:55:19,619 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:55:19,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 226 treesize of output 205 [2022-11-18 01:55:40,496 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:55:40,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 281 treesize of output 279 [2022-11-18 02:00:54,954 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 02:00:54,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 87 treesize of output 181 [2022-11-18 02:00:55,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:00:55,870 INFO L321 Elim1Store]: treesize reduction 52, result has 28.8 percent of original size [2022-11-18 02:00:55,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 38 treesize of output 35 [2022-11-18 02:00:56,887 INFO L321 Elim1Store]: treesize reduction 84, result has 38.7 percent of original size [2022-11-18 02:00:56,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 187 treesize of output 143 [2022-11-18 02:00:57,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:00:58,137 INFO L321 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2022-11-18 02:00:58,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 38 treesize of output 71 [2022-11-18 02:01:02,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,303 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-18 02:01:02,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 1 [2022-11-18 02:01:02,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,355 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-18 02:01:02,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 84 treesize of output 1 [2022-11-18 02:01:02,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,429 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-18 02:01:02,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 187 treesize of output 1 [2022-11-18 02:01:02,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,525 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-18 02:01:02,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 381 treesize of output 1 [2022-11-18 02:01:02,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,632 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-18 02:01:02,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 84 treesize of output 1 [2022-11-18 02:01:02,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,732 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-18 02:01:02,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 281 treesize of output 1 [2022-11-18 02:01:02,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,822 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-18 02:01:02,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 1 [2022-11-18 02:01:02,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,885 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-18 02:01:02,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 112 treesize of output 1 [2022-11-18 02:01:02,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:02,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:05,258 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-18 02:01:05,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 168 treesize of output 1 [2022-11-18 02:01:05,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:05,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:05,306 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-18 02:01:05,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 112 treesize of output 1 [2022-11-18 02:01:05,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:05,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:05,356 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-18 02:01:05,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 1 [2022-11-18 02:01:05,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:05,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:05,422 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-18 02:01:05,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 1 [2022-11-18 02:01:05,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:05,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:05,646 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-18 02:01:05,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 112 treesize of output 1 [2022-11-18 02:01:05,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:05,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:05,703 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-18 02:01:05,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 1 [2022-11-18 02:01:05,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:05,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:05,989 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-18 02:01:05,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 112 treesize of output 1 [2022-11-18 02:01:06,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:06,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:06,464 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-18 02:01:06,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 227 treesize of output 1 [2022-11-18 02:01:06,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:06,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 02:01:06,731 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-18 02:01:06,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 168 treesize of output 1 [2022-11-18 02:01:07,028 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 02:01:07,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 226 treesize of output 205