./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/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_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/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_2716b456-5d42-4ea3-92b7-61fb227cde89/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 566e2cbe460cf96671c9cef5a53ce51910e23c462e96f394be80b957976729c5 --- 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 01:45:21,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:45:21,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:45:21,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:45:21,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:45:21,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:45:21,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:45:21,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:45:21,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:45:21,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:45:21,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:45:21,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:45:21,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:45:21,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:45:21,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:45:21,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:45:21,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:45:21,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:45:21,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:45:21,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:45:21,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:45:21,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:45:21,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:45:21,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:45:21,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:45:21,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:45:21,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:45:21,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:45:21,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:45:21,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:45:21,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:45:21,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:45:21,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:45:21,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:45:21,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:45:21,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:45:21,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:45:21,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:45:21,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:45:21,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:45:21,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:45:21,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-18 01:45:21,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:45:21,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:45:21,594 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:45:21,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:45:21,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:45:21,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:45:21,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:45:21,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:45:21,596 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:45:21,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:45:21,597 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:45:21,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 01:45:21,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:45:21,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:45:21,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 01:45:21,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:45:21,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 01:45:21,598 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:45:21,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 01:45:21,598 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:45:21,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 01:45:21,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:45:21,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:45:21,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-18 01:45:21,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:45:21,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:45:21,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:45:21,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:45:21,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 01:45:21,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 01:45:21,601 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-18 01:45:21,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 01:45:21,601 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:45:21,601 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:45:21,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 01:45:21,602 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:45:21,602 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:45:21,602 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_2716b456-5d42-4ea3-92b7-61fb227cde89/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 566e2cbe460cf96671c9cef5a53ce51910e23c462e96f394be80b957976729c5 [2022-11-18 01:45:21,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:45:21,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:45:21,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:45:21,949 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:45:21,950 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:45:21,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2022-11-18 01:45:22,037 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/data/d96880577/a9afd8198b2442c5b79a6bc831ba6ccc/FLAG6ec9bd901 [2022-11-18 01:45:22,688 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:45:22,688 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2022-11-18 01:45:22,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/data/d96880577/a9afd8198b2442c5b79a6bc831ba6ccc/FLAG6ec9bd901 [2022-11-18 01:45:22,907 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/data/d96880577/a9afd8198b2442c5b79a6bc831ba6ccc [2022-11-18 01:45:22,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:45:22,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:45:22,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:45:22,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:45:22,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:45:22,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:45:22" (1/1) ... [2022-11-18 01:45:22,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50208049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:22, skipping insertion in model container [2022-11-18 01:45:22,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:45:22" (1/1) ... [2022-11-18 01:45:22,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:45:23,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:45:23,623 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_2716b456-5d42-4ea3-92b7-61fb227cde89/sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i[41323,41336] [2022-11-18 01:45:23,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:45:23,712 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 01:45:23,776 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_2716b456-5d42-4ea3-92b7-61fb227cde89/sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i[41323,41336] [2022-11-18 01:45:23,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:45:23,880 INFO L208 MainTranslator]: Completed translation [2022-11-18 01:45:23,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:23 WrapperNode [2022-11-18 01:45:23,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:45:23,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 01:45:23,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 01:45:23,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 01:45:23,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:23" (1/1) ... [2022-11-18 01:45:23,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:23" (1/1) ... [2022-11-18 01:45:23,971 INFO L138 Inliner]: procedures = 271, calls = 41, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 247 [2022-11-18 01:45:23,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 01:45:23,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 01:45:23,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 01:45:23,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 01:45:23,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:23" (1/1) ... [2022-11-18 01:45:23,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:23" (1/1) ... [2022-11-18 01:45:24,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:23" (1/1) ... [2022-11-18 01:45:24,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:23" (1/1) ... [2022-11-18 01:45:24,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:23" (1/1) ... [2022-11-18 01:45:24,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:23" (1/1) ... [2022-11-18 01:45:24,049 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:23" (1/1) ... [2022-11-18 01:45:24,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:23" (1/1) ... [2022-11-18 01:45:24,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 01:45:24,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 01:45:24,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 01:45:24,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 01:45:24,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:23" (1/1) ... [2022-11-18 01:45:24,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:45:24,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:45:24,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 01:45:24,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 01:45:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 01:45:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 01:45:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 01:45:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 01:45:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 01:45:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 01:45:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 01:45:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 01:45:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 01:45:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 01:45:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 01:45:24,165 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 01:45:24,452 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 01:45:24,455 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 01:45:24,872 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 01:45:24,882 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 01:45:24,882 INFO L300 CfgBuilder]: Removed 35 assume(true) statements. [2022-11-18 01:45:24,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:45:24 BoogieIcfgContainer [2022-11-18 01:45:24,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 01:45:24,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 01:45:24,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 01:45:24,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 01:45:24,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:45:22" (1/3) ... [2022-11-18 01:45:24,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea64235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:45:24, skipping insertion in model container [2022-11-18 01:45:24,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:45:23" (2/3) ... [2022-11-18 01:45:24,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea64235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:45:24, skipping insertion in model container [2022-11-18 01:45:24,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:45:24" (3/3) ... [2022-11-18 01:45:24,898 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_72-funloop_hard_racing.i [2022-11-18 01:45:24,909 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 01:45:24,922 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 01:45:24,923 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-18 01:45:24,923 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 01:45:25,029 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-18 01:45:25,102 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:45:25,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-18 01:45:25,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:45:25,107 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-18 01:45:25,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-18 01:45:25,178 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-18 01:45:25,215 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-11-18 01:45:25,228 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;@56775a74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:45:25,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 01:45:25,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 01:45:25,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:45:25,921 INFO L85 PathProgramCache]: Analyzing trace with hash -186388186, now seen corresponding path program 1 times [2022-11-18 01:45:25,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:45:25,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245561380] [2022-11-18 01:45:25,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:45:25,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:45:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:45:26,304 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-18 01:45:26,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:45:26,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245561380] [2022-11-18 01:45:26,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245561380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:45:26,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:45:26,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 01:45:26,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614759103] [2022-11-18 01:45:26,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:45:26,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 01:45:26,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:45:26,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 01:45:26,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 01:45:26,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:26,362 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:45:26,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 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 01:45:26,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:26,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:26,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 01:45:26,429 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 01:45:26,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:45:26,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1965013436, now seen corresponding path program 1 times [2022-11-18 01:45:26,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:45:26,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954488600] [2022-11-18 01:45:26,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:45:26,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:45:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:45:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-18 01:45:26,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:45:26,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954488600] [2022-11-18 01:45:26,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954488600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:45:26,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:45:26,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 01:45:26,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753498683] [2022-11-18 01:45:26,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:45:26,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:45:26,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:45:26,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:45:26,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 01:45:26,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:26,759 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:45:26,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 01:45:26,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:26,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:26,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:26,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:26,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 01:45:26,847 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 01:45:26,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:45:26,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1399768447, now seen corresponding path program 1 times [2022-11-18 01:45:26,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:45:26,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265240849] [2022-11-18 01:45:26,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:45:26,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:45:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:45:27,349 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-18 01:45:27,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:45:27,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265240849] [2022-11-18 01:45:27,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265240849] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:45:27,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794532572] [2022-11-18 01:45:27,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:45:27,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:45:27,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:45:27,367 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:45:27,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 01:45:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:45:27,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 01:45:27,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:45:27,774 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-18 01:45:27,774 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:45:27,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794532572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:45:27,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 01:45:27,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-18 01:45:27,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658319475] [2022-11-18 01:45:27,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:45:27,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:45:27,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:45:27,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:45:27,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 01:45:27,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:27,783 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:45:27,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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 01:45:27,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:27,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:27,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:28,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:28,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:28,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:28,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 01:45:28,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-18 01:45:28,332 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 01:45:28,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:45:28,333 INFO L85 PathProgramCache]: Analyzing trace with hash -275475340, now seen corresponding path program 1 times [2022-11-18 01:45:28,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:45:28,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764590370] [2022-11-18 01:45:28,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:45:28,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:45:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:45:28,718 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-11-18 01:45:28,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:45:28,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764590370] [2022-11-18 01:45:28,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764590370] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:45:28,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104815704] [2022-11-18 01:45:28,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:45:28,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:45:28,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:45:28,721 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:45:28,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 01:45:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:45:28,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 01:45:29,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:45:29,062 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-18 01:45:29,063 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:45:29,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104815704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:45:29,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 01:45:29,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-18 01:45:29,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943501762] [2022-11-18 01:45:29,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:45:29,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:45:29,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:45:29,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:45:29,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 01:45:29,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:29,067 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:45:29,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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 01:45:29,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:29,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:29,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:29,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:29,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:29,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:29,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:29,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 01:45:29,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:45:29,322 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 01:45:29,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:45:29,325 INFO L85 PathProgramCache]: Analyzing trace with hash -516327819, now seen corresponding path program 1 times [2022-11-18 01:45:29,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:45:29,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649917138] [2022-11-18 01:45:29,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:45:29,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:45:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:45:29,660 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-11-18 01:45:29,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:45:29,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649917138] [2022-11-18 01:45:29,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649917138] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:45:29,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305442650] [2022-11-18 01:45:29,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:45:29,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:45:29,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:45:29,664 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:45:29,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 01:45:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:45:29,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 01:45:29,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:45:30,076 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-11-18 01:45:30,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:45:30,143 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-11-18 01:45:30,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305442650] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:45:30,147 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:45:30,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-18 01:45:30,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929519281] [2022-11-18 01:45:30,148 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:45:30,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 01:45:30,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:45:30,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 01:45:30,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-18 01:45:30,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:30,151 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:45:30,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.3) internal successors, (173), 10 states have internal predecessors, (173), 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 01:45:30,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:30,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:30,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:30,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:30,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:30,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:30,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:30,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:30,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:30,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:45:30,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 01:45:30,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:45:30,483 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 01:45:30,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:45:30,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1817736341, now seen corresponding path program 2 times [2022-11-18 01:45:30,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:45:30,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962348149] [2022-11-18 01:45:30,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:45:30,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:45:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:45:30,821 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-18 01:45:30,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:45:30,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962348149] [2022-11-18 01:45:30,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962348149] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:45:30,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614478265] [2022-11-18 01:45:30,823 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:45:30,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:45:30,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:45:30,825 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:45:30,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 01:45:31,115 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 01:45:31,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:45:31,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 01:45:31,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:45:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-11-18 01:45:31,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:45:31,420 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-11-18 01:45:31,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614478265] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:45:31,421 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:45:31,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2022-11-18 01:45:31,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598310800] [2022-11-18 01:45:31,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:45:31,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-18 01:45:31,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:45:31,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-18 01:45:31,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2022-11-18 01:45:31,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:31,425 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:45:31,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 11.526315789473685) internal successors, (219), 19 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:45:31,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:31,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:31,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:31,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:31,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:45:31,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:45:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:45:31,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 01:45:32,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-18 01:45:32,018 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 01:45:32,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:45:32,018 INFO L85 PathProgramCache]: Analyzing trace with hash -690061599, now seen corresponding path program 1 times [2022-11-18 01:45:32,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:45:32,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866889068] [2022-11-18 01:45:32,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:45:32,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:45:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:45:32,615 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-18 01:45:32,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:45:32,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866889068] [2022-11-18 01:45:32,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866889068] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:45:32,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973401543] [2022-11-18 01:45:32,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:45:32,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:45:32,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:45:32,619 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:45:32,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 01:45:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:45:32,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 01:45:32,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:45:32,916 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-18 01:45:32,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:45:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-18 01:45:33,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973401543] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:45:33,207 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:45:33,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-11-18 01:45:33,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735151842] [2022-11-18 01:45:33,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:45:33,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-18 01:45:33,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:45:33,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-18 01:45:33,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-11-18 01:45:33,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:33,210 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:45:33,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.869565217391305) internal successors, (112), 23 states have internal predecessors, (112), 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 01:45:33,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:33,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:33,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:33,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:33,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:45:33,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:45:33,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:33,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:33,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:33,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:33,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:33,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:45:33,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:45:33,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:45:33,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-18 01:45:33,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-18 01:45:33,869 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 01:45:33,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:45:33,870 INFO L85 PathProgramCache]: Analyzing trace with hash 619162302, now seen corresponding path program 2 times [2022-11-18 01:45:33,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:45:33,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49480300] [2022-11-18 01:45:33,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:45:33,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:45:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:45:34,617 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-18 01:45:34,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:45:34,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49480300] [2022-11-18 01:45:34,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49480300] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:45:34,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124314054] [2022-11-18 01:45:34,618 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:45:34,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:45:34,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:45:34,620 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:45:34,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 01:45:34,820 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 01:45:34,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:45:34,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-18 01:45:34,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:45:34,883 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 7 treesize of output 6 [2022-11-18 01:45:35,406 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 01:45:35,407 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 01:45:35,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-18 01:45:35,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-18 01:45:35,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-18 01:45:35,792 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-18 01:45:35,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:45:43,908 WARN L837 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_907 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_907) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) is different from false [2022-11-18 01:45:45,938 WARN L837 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_907 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_907) |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) is different from false [2022-11-18 01:45:45,952 WARN L837 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_907 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_907) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) is different from false [2022-11-18 01:45:46,712 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 9 treesize of output 7 [2022-11-18 01:45:46,752 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-18 01:45:46,752 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 13 treesize of output 12 [2022-11-18 01:45:46,757 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 5 not checked. [2022-11-18 01:45:46,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124314054] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:45:46,758 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:45:46,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2022-11-18 01:45:46,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899252213] [2022-11-18 01:45:46,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:45:46,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-18 01:45:46,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:45:46,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-18 01:45:46,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=361, Unknown=6, NotChecked=120, Total=552 [2022-11-18 01:45:46,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:46,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:45:46,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.666666666666667) internal successors, (160), 24 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 01:45:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:46,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:46,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:46,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:45:46,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:45:46,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:45:46,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:55,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:45:55,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:45:55,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:45:55,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:45:55,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 01:45:55,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:45:55,346 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 01:45:55,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:45:55,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1992922485, now seen corresponding path program 1 times [2022-11-18 01:45:55,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:45:55,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526822705] [2022-11-18 01:45:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:45:55,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:45:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:46:00,493 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-18 01:46:00,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:46:00,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526822705] [2022-11-18 01:46:00,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526822705] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:46:00,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866309096] [2022-11-18 01:46:00,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:46:00,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:46:00,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:46:00,496 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:46:00,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 01:46:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:46:00,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-18 01:46:00,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:46:00,789 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 7 treesize of output 6 [2022-11-18 01:46:01,282 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 01:46:01,283 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 01:46:01,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-18 01:46:01,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-18 01:46:01,907 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2022-11-18 01:46:02,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 32 treesize of output 25 [2022-11-18 01:46:02,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2022-11-18 01:46:02,553 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-18 01:46:02,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:46:08,816 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_48| Int)) (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_48|) 0)) is different from false [2022-11-18 01:46:10,823 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_48| Int)) (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |c_t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| (- 1)))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_48|) 0)) is different from false [2022-11-18 01:46:12,832 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_48| Int)) (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (let ((.cse0 (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_48|) 0)) is different from false [2022-11-18 01:46:14,871 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_48| Int)) (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| |c_t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1|)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_48|) 0)) is different from false [2022-11-18 01:46:16,879 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_48| Int)) (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| |c_t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1|)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_48|) 0)) is different from false [2022-11-18 01:46:16,964 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1004 (Array Int Int)) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1004) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) is different from false [2022-11-18 01:46:17,706 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 9 treesize of output 7 [2022-11-18 01:46:17,769 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-18 01:46:17,773 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 13 treesize of output 12 [2022-11-18 01:46:17,779 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 239 trivial. 8 not checked. [2022-11-18 01:46:17,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866309096] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:46:17,780 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:46:17,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20, 17] total 50 [2022-11-18 01:46:17,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618051711] [2022-11-18 01:46:17,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:46:17,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-11-18 01:46:17,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:46:17,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-11-18 01:46:17,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=1711, Unknown=8, NotChecked=534, Total=2450 [2022-11-18 01:46:17,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:17,789 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:46:17,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 5.74) internal successors, (287), 50 states have internal predecessors, (287), 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 01:46:17,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:17,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:17,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:17,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:17,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:46:17,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:46:17,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:46:17,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:46:17,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:31,678 WARN L233 SmtUtils]: Spent 12.17s on a formula simplification. DAG size of input: 66 DAG size of output: 48 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:46:41,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:41,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:41,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:41,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:41,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:46:41,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:46:41,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:46:41,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:46:41,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:46:41,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 01:46:41,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:46:41,407 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 01:46:41,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:46:41,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1387661272, now seen corresponding path program 2 times [2022-11-18 01:46:41,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:46:41,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145421782] [2022-11-18 01:46:41,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:46:41,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:46:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:46:54,771 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-18 01:46:54,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:46:54,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145421782] [2022-11-18 01:46:54,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145421782] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:46:54,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739254050] [2022-11-18 01:46:54,772 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:46:54,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:46:54,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:46:54,775 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:46:54,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 01:46:54,987 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 01:46:54,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:46:54,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-18 01:46:54,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:46:55,098 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 7 treesize of output 6 [2022-11-18 01:46:55,673 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 01:46:55,674 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 01:46:55,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-18 01:46:56,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-18 01:46:56,301 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2022-11-18 01:46:56,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 32 treesize of output 25 [2022-11-18 01:46:56,987 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2022-11-18 01:46:57,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 27 treesize of output 22 [2022-11-18 01:47:26,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-18 01:47:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 11 proven. 48 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-18 01:47:27,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:47:33,335 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| Int)) (or (= (select (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| (+ 28 |c_~#cache~0.offset| (* |c_t_funThread1of1ForFork0_#t~post41#1| 28))))) is different from false [2022-11-18 01:47:35,353 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (= (select (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54|) 0))) is different from false [2022-11-18 01:47:37,426 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| Int) (v_ArrVal_1145 Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1145)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54|) 0))) is different from false [2022-11-18 01:47:39,633 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| Int) (v_ArrVal_1145 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (not (<= |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)) (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| v_ArrVal_1145)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54|) 0))) is different from false [2022-11-18 01:47:45,897 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| Int) (v_ArrVal_1145 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| Int)) (or (= 0 (select (store (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| v_ArrVal_1145) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54|)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| 28)))) is different from false [2022-11-18 01:47:47,915 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| Int) (v_ArrVal_1145 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| Int)) (or (= (select (store (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |c_t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| (- 1)))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| v_ArrVal_1145) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| 28)))) is different from false [2022-11-18 01:47:49,937 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| Int) (v_ArrVal_1145 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| Int)) (or (= (select (store (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (let ((.cse0 (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| v_ArrVal_1145) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| 28)))) is different from false [2022-11-18 01:47:52,019 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| Int) (v_ArrVal_1145 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| Int)) (or (= (select (store (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| |c_t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1|)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| v_ArrVal_1145) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| 28)))) is different from false [2022-11-18 01:47:54,040 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| Int) (v_ArrVal_1145 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| Int)) (or (= (select (store (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| |c_t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1|)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| v_ArrVal_1145) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| 28)))) is different from false [2022-11-18 01:47:58,297 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1137 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| Int) (v_ArrVal_1145 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1137) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| v_ArrVal_1145) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| 28)))) is different from false [2022-11-18 01:47:58,485 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| Int) (v_ArrVal_1137 (Array Int Int)) (v_ArrVal_1145 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1137) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| v_ArrVal_1145) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_56| 28)))) is different from false [2022-11-18 01:47:59,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:47:59,902 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 9 treesize of output 7 [2022-11-18 01:47:59,996 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-18 01:47:59,997 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 13 treesize of output 12 [2022-11-18 01:48:00,004 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 239 trivial. 49 not checked. [2022-11-18 01:48:00,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739254050] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:48:00,004 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:48:00,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26, 23] total 67 [2022-11-18 01:48:00,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423231047] [2022-11-18 01:48:00,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:48:00,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-11-18 01:48:00,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:00,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-11-18 01:48:00,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=2791, Unknown=29, NotChecked=1298, Total=4422 [2022-11-18 01:48:00,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:00,013 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:00,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 5.776119402985074) internal successors, (387), 67 states have internal predecessors, (387), 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 01:48:00,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:00,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:00,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:00,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:00,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:00,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:48:00,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:48:00,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:48:00,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:48:00,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:13,277 WARN L233 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 60 DAG size of output: 34 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:48:31,159 WARN L233 SmtUtils]: Spent 10.27s on a formula simplification. DAG size of input: 120 DAG size of output: 36 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:48:38,266 WARN L233 SmtUtils]: Spent 6.43s on a formula simplification. DAG size of input: 165 DAG size of output: 42 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:48:45,035 WARN L233 SmtUtils]: Spent 6.34s on a formula simplification. DAG size of input: 156 DAG size of output: 42 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:48:51,384 WARN L233 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 107 DAG size of output: 38 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:48:57,898 WARN L233 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 118 DAG size of output: 38 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:49:19,130 WARN L233 SmtUtils]: Spent 9.85s on a formula simplification. DAG size of input: 89 DAG size of output: 24 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:49:25,852 WARN L233 SmtUtils]: Spent 6.13s on a formula simplification. DAG size of input: 98 DAG size of output: 28 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:49:32,357 WARN L233 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 100 DAG size of output: 30 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:51:08,953 WARN L233 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 85 DAG size of output: 27 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:51:15,342 WARN L233 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 87 DAG size of output: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:51:48,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:48,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:48,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:48,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:48,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:48,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:51:48,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:51:48,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:51:48,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:51:48,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-18 01:51:48,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-18 01:51:49,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:49,108 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 01:51:49,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:49,109 INFO L85 PathProgramCache]: Analyzing trace with hash 250963972, now seen corresponding path program 1 times [2022-11-18 01:51:49,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:49,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385329020] [2022-11-18 01:51:49,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:49,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:52:45,187 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 13 proven. 190 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-18 01:52:45,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:52:45,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385329020] [2022-11-18 01:52:45,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385329020] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:52:45,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137413773] [2022-11-18 01:52:45,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:52:45,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:52:45,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:52:45,189 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:52:45,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2716b456-5d42-4ea3-92b7-61fb227cde89/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 01:52:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:52:45,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-18 01:52:45,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:52:45,609 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 7 treesize of output 6 [2022-11-18 01:52:46,234 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 01:52:46,235 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 01:52:46,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-18 01:52:46,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-18 01:52:47,049 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2022-11-18 01:52:47,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 21 treesize of output 16 [2022-11-18 01:53:04,314 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2022-11-18 01:53:10,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 24 treesize of output 19 [2022-11-18 01:54:21,491 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2022-11-18 01:54:27,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 27 treesize of output 22 [2022-11-18 01:55:41,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-18 01:55:42,147 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 19 proven. 184 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-18 01:55:42,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:55:48,501 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ 28 |c_~#cache~0.offset| (* |c_t_funThread1of1ForFork0_#t~post41#1| 28))) (= (select (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0))) is different from false [2022-11-18 01:55:50,514 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (= (select (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0))) is different from false [2022-11-18 01:55:52,583 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_1333 Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1333)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0))) is different from false [2022-11-18 01:55:54,754 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_1333 Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1333)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0) (not (<= |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)))) is different from false [2022-11-18 01:55:56,785 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_1333 Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ .cse0 28 |c_~#cache~0.offset|)) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|) (= (select (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1333) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0)))) is different from false [2022-11-18 01:55:58,842 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_~i~0#1_45| Int)) (or (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_1333 Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_45| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ .cse0 28 |c_~#cache~0.offset|)) (= (select (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1333) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0)))) (not (<= (+ |c_t_funThread1of1ForFork0_#t~post41#1| 1) |v_t_funThread1of1ForFork0_~i~0#1_45|)))) is different from false [2022-11-18 01:56:00,363 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_1333 Int) (|v_t_funThread1of1ForFork0_~i~0#1_45| Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_45| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ .cse0 28 |c_~#cache~0.offset|)) (< |v_t_funThread1of1ForFork0_~i~0#1_45| (+ |c_t_funThread1of1ForFork0_~i~0#1| 1)) (= (select (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1333) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0)))) is different from false [2022-11-18 01:56:07,359 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_1333 Int) (|v_t_funThread1of1ForFork0_~i~0#1_45| Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_45| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|) (< |v_t_funThread1of1ForFork0_~i~0#1_45| (+ |c_t_funThread1of1ForFork0_#t~post41#1| 2)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ .cse0 28 |c_~#cache~0.offset|)) (= (select (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1333) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0)))) is different from false [2022-11-18 01:56:09,427 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_1333 Int) (|v_t_funThread1of1ForFork0_~i~0#1_45| Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_45| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ .cse0 28 |c_~#cache~0.offset|)) (< |v_t_funThread1of1ForFork0_~i~0#1_45| (+ 2 |c_t_funThread1of1ForFork0_~i~0#1|)) (= (select (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1333) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0)))) is different from false [2022-11-18 01:56:11,322 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_1333 Int) (|v_t_funThread1of1ForFork0_~i~0#1_45| Int) (v_ArrVal_1329 Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_45| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ .cse0 28 |c_~#cache~0.offset|)) (< |v_t_funThread1of1ForFork0_~i~0#1_45| (+ 2 |c_t_funThread1of1ForFork0_~i~0#1|)) (= (select (store (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1329)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1333) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0)))) is different from false [2022-11-18 01:56:13,705 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_1333 Int) (|v_t_funThread1of1ForFork0_~i~0#1_45| Int) (v_ArrVal_1329 Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_45| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|) (= (select (store (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| v_ArrVal_1329)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1333) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ .cse0 28 |c_~#cache~0.offset|)) (< |v_t_funThread1of1ForFork0_~i~0#1_45| (+ 2 |c_t_funThread1of1ForFork0_~i~0#1|)) (not (<= |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|))))) is different from false [2022-11-18 01:56:15,761 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_1333 Int) (|v_t_funThread1of1ForFork0_~i~0#1_45| Int) (v_ArrVal_1329 Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_45| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|) (< (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70|) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ .cse0 28 |c_~#cache~0.offset|)) (< |v_t_funThread1of1ForFork0_~i~0#1_45| (+ 2 |c_t_funThread1of1ForFork0_~i~0#1|)) (= (select (store (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| v_ArrVal_1329) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1333) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0)))) is different from false [2022-11-18 01:56:17,862 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_1333 Int) (|v_t_funThread1of1ForFork0_~i~0#1_45| Int) (v_ArrVal_1329 Int)) (let ((.cse1 (* |v_t_funThread1of1ForFork0_~i~0#1_45| 28))) (let ((.cse0 (+ .cse1 |c_~#cache~0.offset|))) (or (< |v_t_funThread1of1ForFork0_~i~0#1_45| (+ |c_t_funThread1of1ForFork0_#t~post41#1| 3)) (< .cse0 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|) (< .cse0 (+ 56 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70|)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ .cse1 28 |c_~#cache~0.offset|)) (= (select (store (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| v_ArrVal_1329) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1333) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0))))) is different from false [2022-11-18 01:56:19,921 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_1333 Int) (|v_t_funThread1of1ForFork0_~i~0#1_45| Int) (v_ArrVal_1329 Int)) (let ((.cse1 (* |v_t_funThread1of1ForFork0_~i~0#1_45| 28))) (let ((.cse0 (+ .cse1 |c_~#cache~0.offset|))) (or (< .cse0 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|) (< .cse0 (+ 56 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70|)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ .cse1 28 |c_~#cache~0.offset|)) (= (select (store (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| v_ArrVal_1329) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1333) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0) (< |v_t_funThread1of1ForFork0_~i~0#1_45| (+ 3 |c_t_funThread1of1ForFork0_~i~0#1|)))))) is different from false [2022-11-18 01:56:22,150 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_1333 Int) (v_ArrVal_1325 Int) (|v_t_funThread1of1ForFork0_~i~0#1_45| Int) (v_ArrVal_1329 Int)) (let ((.cse1 (* |v_t_funThread1of1ForFork0_~i~0#1_45| 28))) (let ((.cse0 (+ .cse1 |c_~#cache~0.offset|))) (or (< .cse0 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|) (< .cse0 (+ 56 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70|)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ .cse1 28 |c_~#cache~0.offset|)) (= (select (store (store (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1325)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| v_ArrVal_1329) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1333) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0) (< |v_t_funThread1of1ForFork0_~i~0#1_45| (+ 3 |c_t_funThread1of1ForFork0_~i~0#1|)))))) is different from false [2022-11-18 01:56:22,715 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_1322 (Array Int Int)) (v_ArrVal_1333 Int) (v_ArrVal_1325 Int) (|v_t_funThread1of1ForFork0_~i~0#1_45| Int) (v_ArrVal_1329 Int)) (let ((.cse2 (* |v_t_funThread1of1ForFork0_~i~0#1_45| 28))) (let ((.cse1 (+ .cse2 |c_~#cache~0.offset|))) (or (= (select (store (store (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1322))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1325))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| v_ArrVal_1329) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1333) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0) (< .cse1 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|) (< .cse1 (+ 56 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70|)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ .cse2 28 |c_~#cache~0.offset|)) (< |v_t_funThread1of1ForFork0_~i~0#1_45| (+ 3 |c_t_funThread1of1ForFork0_~i~0#1|)))))) is different from false [2022-11-18 01:56:22,916 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_72| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_1322 (Array Int Int)) (v_ArrVal_1333 Int) (v_ArrVal_1325 Int) (|v_t_funThread1of1ForFork0_~i~0#1_45| Int) (v_ArrVal_1329 Int)) (let ((.cse2 (* |v_t_funThread1of1ForFork0_~i~0#1_45| 28))) (let ((.cse0 (+ .cse2 |c_~#cache~0.offset|))) (or (< .cse0 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|) (< .cse0 (+ 56 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70|)) (= (select (store (store (select (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1322))) (store .cse1 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select .cse1 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_72| v_ArrVal_1325))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| v_ArrVal_1329) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1333) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ .cse2 28 |c_~#cache~0.offset|)) (< |v_t_funThread1of1ForFork0_~i~0#1_45| (+ 3 |c_t_funThread1of1ForFork0_~i~0#1|)) (not (<= |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_72| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)))))) is different from false [2022-11-18 01:56:23,305 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_72| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_1322 (Array Int Int)) (v_ArrVal_1333 Int) (v_ArrVal_1325 Int) (v_ArrVal_1329 Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ 112 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_72|)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| 84)) (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1322) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_72| v_ArrVal_1325) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| v_ArrVal_1329) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1333) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| 28)))) is different from false [2022-11-18 01:56:25,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:56:25,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:56:25,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:56:25,666 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 9 treesize of output 7 [2022-11-18 01:56:25,777 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-18 01:56:25,777 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 13 treesize of output 12 [2022-11-18 01:56:25,789 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 235 trivial. 200 not checked. [2022-11-18 01:56:25,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137413773] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:56:25,789 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:56:25,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 34, 31] total 91 [2022-11-18 01:56:25,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761861908] [2022-11-18 01:56:25,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:56:25,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2022-11-18 01:56:25,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:56:25,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2022-11-18 01:56:25,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=499, Invalid=4725, Unknown=104, NotChecked=2862, Total=8190 [2022-11-18 01:56:25,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:56:25,795 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:56:25,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 6.395604395604396) internal successors, (582), 91 states have internal predecessors, (582), 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 01:56:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:56:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:56:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:56:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:56:25,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:56:25,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:56:25,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:56:25,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:56:25,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:56:25,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-11-18 01:56:25,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:58:48,933 WARN L233 SmtUtils]: Spent 17.01s on a formula simplification. DAG size of input: 155 DAG size of output: 74 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:59:15,471 WARN L233 SmtUtils]: Spent 6.70s on a formula simplification. DAG size of input: 163 DAG size of output: 73 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)