./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/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_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 --- 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 01:43:17,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:43:17,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:43:17,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:43:17,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:43:17,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:43:17,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:43:17,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:43:17,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:43:17,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:43:17,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:43:17,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:43:17,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:43:17,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:43:17,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:43:17,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:43:17,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:43:17,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:43:17,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:43:17,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:43:17,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:43:17,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:43:17,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:43:17,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:43:17,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:43:17,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:43:17,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:43:17,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:43:17,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:43:17,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:43:17,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:43:17,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:43:17,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:43:17,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:43:17,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:43:17,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:43:17,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:43:17,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:43:17,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:43:17,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:43:17,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:43:17,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-11-18 01:43:17,827 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:43:17,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:43:17,830 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:43:17,830 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:43:17,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:43:17,832 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:43:17,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:43:17,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:43:17,833 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:43:17,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:43:17,834 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:43:17,835 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 01:43:17,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 01:43:17,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:43:17,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:43:17,836 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 01:43:17,836 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 01:43:17,836 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 01:43:17,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:43:17,836 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 01:43:17,837 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:43:17,837 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:43:17,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:43:17,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:43:17,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:43:17,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:43:17,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:43:17,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:43:17,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 01:43:17,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 01:43:17,841 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:43:17,841 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-18 01:43:17,841 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:43:17,841 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:43:17,842 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:43:17,842 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_c48ffa46-6932-4777-8d79-1ebe21da2b06/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 [2022-11-18 01:43:18,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:43:18,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:43:18,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:43:18,218 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:43:18,218 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:43:18,220 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c [2022-11-18 01:43:18,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/data/331ef88ef/5b93ac9d7cb54d3695fd9cc340171bc3/FLAGa41ea5f40 [2022-11-18 01:43:18,941 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:43:18,942 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c [2022-11-18 01:43:18,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/data/331ef88ef/5b93ac9d7cb54d3695fd9cc340171bc3/FLAGa41ea5f40 [2022-11-18 01:43:19,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/data/331ef88ef/5b93ac9d7cb54d3695fd9cc340171bc3 [2022-11-18 01:43:19,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:43:19,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:43:19,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:43:19,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:43:19,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:43:19,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:43:19" (1/1) ... [2022-11-18 01:43:19,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46db0f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:19, skipping insertion in model container [2022-11-18 01:43:19,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:43:19" (1/1) ... [2022-11-18 01:43:19,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:43:19,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:43:19,574 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_c48ffa46-6932-4777-8d79-1ebe21da2b06/sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c[2728,2741] [2022-11-18 01:43:19,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:43:19,597 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-18 01:43:19,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1cb585c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:19, skipping insertion in model container [2022-11-18 01:43:19,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:43:19,598 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-18 01:43:19,600 INFO L158 Benchmark]: Toolchain (without parser) took 291.96ms. Allocated memory is still 136.3MB. Free memory was 103.4MB in the beginning and 113.0MB in the end (delta: -9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 01:43:19,601 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 01:43:19,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.83ms. Allocated memory is still 136.3MB. Free memory was 103.1MB in the beginning and 113.0MB in the end (delta: -9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 01:43:19,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.83ms. Allocated memory is still 136.3MB. Free memory was 103.1MB in the beginning and 113.0MB in the end (delta: -9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 117]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/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_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 --- 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 01:43:21,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:43:21,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:43:21,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:43:21,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:43:21,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:43:21,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:43:21,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:43:21,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:43:21,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:43:21,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:43:21,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:43:21,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:43:22,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:43:22,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:43:22,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:43:22,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:43:22,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:43:22,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:43:22,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:43:22,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:43:22,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:43:22,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:43:22,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:43:22,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:43:22,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:43:22,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:43:22,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:43:22,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:43:22,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:43:22,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:43:22,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:43:22,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:43:22,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:43:22,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:43:22,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:43:22,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:43:22,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:43:22,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:43:22,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:43:22,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:43:22,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2022-11-18 01:43:22,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:43:22,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:43:22,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:43:22,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:43:22,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:43:22,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:43:22,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:43:22,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:43:22,061 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:43:22,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:43:22,061 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:43:22,062 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 01:43:22,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 01:43:22,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:43:22,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:43:22,063 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 01:43:22,063 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 01:43:22,063 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 01:43:22,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:43:22,064 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 01:43:22,064 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 01:43:22,064 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 01:43:22,065 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:43:22,065 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:43:22,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:43:22,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:43:22,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:43:22,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:43:22,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:43:22,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:43:22,067 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 01:43:22,067 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 01:43:22,068 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:43:22,068 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-18 01:43:22,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:43:22,068 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:43:22,069 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:43:22,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 01:43:22,069 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_c48ffa46-6932-4777-8d79-1ebe21da2b06/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 [2022-11-18 01:43:22,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:43:22,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:43:22,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:43:22,518 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:43:22,519 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:43:22,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c [2022-11-18 01:43:22,593 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/data/91cfa28e7/3b9cba718f73448c95066cc77cdaaab5/FLAG3ba1969c6 [2022-11-18 01:43:23,133 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:43:23,133 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c [2022-11-18 01:43:23,146 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/data/91cfa28e7/3b9cba718f73448c95066cc77cdaaab5/FLAG3ba1969c6 [2022-11-18 01:43:23,483 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/data/91cfa28e7/3b9cba718f73448c95066cc77cdaaab5 [2022-11-18 01:43:23,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:43:23,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:43:23,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:43:23,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:43:23,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:43:23,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:43:23" (1/1) ... [2022-11-18 01:43:23,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b6f4efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:23, skipping insertion in model container [2022-11-18 01:43:23,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:43:23" (1/1) ... [2022-11-18 01:43:23,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:43:23,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:43:23,864 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_c48ffa46-6932-4777-8d79-1ebe21da2b06/sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c[2728,2741] [2022-11-18 01:43:23,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:43:23,916 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-18 01:43:23,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:43:23,967 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_c48ffa46-6932-4777-8d79-1ebe21da2b06/sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c[2728,2741] [2022-11-18 01:43:23,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:43:23,978 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 01:43:24,013 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_c48ffa46-6932-4777-8d79-1ebe21da2b06/sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c[2728,2741] [2022-11-18 01:43:24,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:43:24,044 INFO L208 MainTranslator]: Completed translation [2022-11-18 01:43:24,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:24 WrapperNode [2022-11-18 01:43:24,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:43:24,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 01:43:24,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 01:43:24,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 01:43:24,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:24" (1/1) ... [2022-11-18 01:43:24,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:24" (1/1) ... [2022-11-18 01:43:24,145 INFO L138 Inliner]: procedures = 28, calls = 49, calls flagged for inlining = 13, calls inlined = 21, statements flattened = 268 [2022-11-18 01:43:24,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 01:43:24,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 01:43:24,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 01:43:24,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 01:43:24,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:24" (1/1) ... [2022-11-18 01:43:24,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:24" (1/1) ... [2022-11-18 01:43:24,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:24" (1/1) ... [2022-11-18 01:43:24,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:24" (1/1) ... [2022-11-18 01:43:24,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:24" (1/1) ... [2022-11-18 01:43:24,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:24" (1/1) ... [2022-11-18 01:43:24,188 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:24" (1/1) ... [2022-11-18 01:43:24,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:24" (1/1) ... [2022-11-18 01:43:24,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 01:43:24,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 01:43:24,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 01:43:24,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 01:43:24,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:24" (1/1) ... [2022-11-18 01:43:24,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:43:24,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:43:24,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 01:43:24,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 01:43:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 01:43:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 01:43:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 01:43:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 01:43:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 01:43:24,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 01:43:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 01:43:24,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 01:43:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 01:43:24,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 01:43:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 01:43:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 01:43:24,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 01:43:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 01:43:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 01:43:24,294 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 01:43:24,456 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 01:43:24,459 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 01:43:25,471 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 01:43:25,484 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 01:43:25,493 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-18 01:43:25,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:43:25 BoogieIcfgContainer [2022-11-18 01:43:25,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 01:43:25,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 01:43:25,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 01:43:25,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 01:43:25,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:43:23" (1/3) ... [2022-11-18 01:43:25,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8baa1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:43:25, skipping insertion in model container [2022-11-18 01:43:25,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:24" (2/3) ... [2022-11-18 01:43:25,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8baa1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:43:25, skipping insertion in model container [2022-11-18 01:43:25,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:43:25" (3/3) ... [2022-11-18 01:43:25,512 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-trans.wvr.c [2022-11-18 01:43:25,535 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 01:43:25,536 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-11-18 01:43:25,536 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 01:43:25,818 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-18 01:43:25,889 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:43:25,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-18 01:43:25,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:43:25,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-18 01:43:25,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-18 01:43:25,959 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-18 01:43:25,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork0 ======== [2022-11-18 01:43:25,992 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=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@471ad687, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:43:25,992 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-18 01:43:26,591 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:43:26,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:43:26,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1657580318, now seen corresponding path program 1 times [2022-11-18 01:43:26,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:43:26,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543920054] [2022-11-18 01:43:26,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:26,614 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:26,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:43:26,619 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:43:26,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 01:43:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:26,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-18 01:43:26,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:43:26,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:26,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:43:26,961 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:43:26,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543920054] [2022-11-18 01:43:26,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1543920054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:43:26,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:43:26,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 01:43:26,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129074568] [2022-11-18 01:43:26,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:43:26,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 01:43:26,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:43:27,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 01:43:27,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 01:43:27,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:27,031 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:43:27,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 69.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:43:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:27,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:27,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-18 01:43:27,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:27,339 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:43:27,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:43:27,340 INFO L85 PathProgramCache]: Analyzing trace with hash -555080442, now seen corresponding path program 1 times [2022-11-18 01:43:27,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:43:27,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13926047] [2022-11-18 01:43:27,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:27,342 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:27,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:43:27,343 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:43:27,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 01:43:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:27,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 01:43:27,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:43:27,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-18 01:43:27,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:27,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:43:27,758 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:43:27,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13926047] [2022-11-18 01:43:27,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [13926047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:43:27,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:43:27,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 01:43:27,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974025972] [2022-11-18 01:43:27,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:43:27,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 01:43:27,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:43:27,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 01:43:27,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 01:43:27,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:27,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:43:27,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 22.0) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:43:27,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:27,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:28,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:28,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:28,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-18 01:43:28,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:28,464 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:43:28,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:43:28,465 INFO L85 PathProgramCache]: Analyzing trace with hash -555080441, now seen corresponding path program 1 times [2022-11-18 01:43:28,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:43:28,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22276027] [2022-11-18 01:43:28,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:28,466 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:28,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:43:28,468 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:43:28,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-18 01:43:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:28,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 01:43:28,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:43:28,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:28,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:43:28,910 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:43:28,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [22276027] [2022-11-18 01:43:28,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [22276027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:43:28,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:43:28,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 01:43:28,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595144942] [2022-11-18 01:43:28,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:43:28,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 01:43:28,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:43:28,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 01:43:28,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-18 01:43:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:28,914 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:43:28,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.5) internal successors, (132), 9 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:43:28,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:28,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:28,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:29,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:29,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-18 01:43:29,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:29,515 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:43:29,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:43:29,515 INFO L85 PathProgramCache]: Analyzing trace with hash -2096115833, now seen corresponding path program 1 times [2022-11-18 01:43:29,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:43:29,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [55981920] [2022-11-18 01:43:29,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:29,516 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:29,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:43:29,518 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:43:29,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-18 01:43:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:29,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 01:43:29,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:43:29,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:29,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:43:29,725 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:43:29,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [55981920] [2022-11-18 01:43:29,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [55981920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:43:29,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:43:29,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 01:43:29,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167128930] [2022-11-18 01:43:29,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:43:29,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:43:29,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:43:29,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:43:29,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 01:43:29,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:29,731 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:43:29,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 65.5) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:43:29,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:29,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:29,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:29,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:29,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:29,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:29,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:29,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:43:29,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-18 01:43:30,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:30,065 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:43:30,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:43:30,066 INFO L85 PathProgramCache]: Analyzing trace with hash -2096115832, now seen corresponding path program 1 times [2022-11-18 01:43:30,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:43:30,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216767990] [2022-11-18 01:43:30,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:30,067 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:30,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:43:30,069 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:43:30,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-18 01:43:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:30,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 01:43:30,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:43:30,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:30,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:43:30,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:43:30,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216767990] [2022-11-18 01:43:30,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216767990] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:43:30,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:43:30,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 01:43:30,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636326687] [2022-11-18 01:43:30,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:43:30,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 01:43:30,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:43:30,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 01:43:30,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-18 01:43:30,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:30,542 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:43:30,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.375) internal successors, (131), 9 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:43:30,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:30,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:30,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:30,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:43:30,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:31,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:31,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:31,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:31,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:43:31,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:31,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-18 01:43:31,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:31,275 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:43:31,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:43:31,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1818735127, now seen corresponding path program 1 times [2022-11-18 01:43:31,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:43:31,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123844719] [2022-11-18 01:43:31,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:31,277 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:31,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:43:31,280 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:43:31,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-18 01:43:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:31,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 01:43:31,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:43:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:31,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:43:31,952 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 11 treesize of output 9 [2022-11-18 01:43:32,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:32,743 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:43:32,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123844719] [2022-11-18 01:43:32,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123844719] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:43:32,744 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:43:32,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2022-11-18 01:43:32,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464842059] [2022-11-18 01:43:32,744 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:43:32,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-18 01:43:32,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:43:32,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-18 01:43:32,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2022-11-18 01:43:32,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:32,748 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:43:32,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.473684210526315) internal successors, (180), 20 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:43:32,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:32,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:32,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:32,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:43:32,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:32,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:33,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:33,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:33,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:33,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:43:33,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:33,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 01:43:33,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-18 01:43:34,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:34,116 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:43:34,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:43:34,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1742446472, now seen corresponding path program 1 times [2022-11-18 01:43:34,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:43:34,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748316511] [2022-11-18 01:43:34,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:34,118 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:34,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:43:34,119 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:43:34,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-18 01:43:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:34,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 01:43:34,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:43:34,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:34,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:43:34,796 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 11 treesize of output 9 [2022-11-18 01:43:35,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:35,628 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:43:35,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1748316511] [2022-11-18 01:43:35,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1748316511] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:43:35,628 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:43:35,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2022-11-18 01:43:35,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968749336] [2022-11-18 01:43:35,629 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:43:35,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-18 01:43:35,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:43:35,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-18 01:43:35,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2022-11-18 01:43:35,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:35,631 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:43:35,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 10.789473684210526) internal successors, (205), 20 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:43:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:43:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-18 01:43:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:43:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:37,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:37,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:37,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-18 01:43:38,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:38,013 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:43:38,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:43:38,014 INFO L85 PathProgramCache]: Analyzing trace with hash 840010548, now seen corresponding path program 1 times [2022-11-18 01:43:38,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:43:38,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386217466] [2022-11-18 01:43:38,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:38,015 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:38,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:43:38,018 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:43:38,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-18 01:43:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:38,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-18 01:43:38,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:43:38,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 01:43:39,556 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 01:43:39,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:43:44,625 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:44,626 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:43:44,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [386217466] [2022-11-18 01:43:44,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [386217466] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:43:44,626 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:43:44,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 36 [2022-11-18 01:43:44,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244992218] [2022-11-18 01:43:44,627 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:43:44,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-18 01:43:44,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:43:44,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-18 01:43:44,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1132, Unknown=0, NotChecked=0, Total=1260 [2022-11-18 01:43:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:44,630 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:43:44,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 5.805555555555555) internal successors, (209), 36 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:43:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:43:44,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:44,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:44,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:44,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:49,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:49,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:49,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:43:49,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:49,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:49,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:49,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-18 01:43:49,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-18 01:43:50,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:50,128 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:43:50,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:43:50,129 INFO L85 PathProgramCache]: Analyzing trace with hash 257052740, now seen corresponding path program 1 times [2022-11-18 01:43:50,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:43:50,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [242018535] [2022-11-18 01:43:50,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:50,130 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:50,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:43:50,131 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:43:50,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-18 01:43:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:50,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-18 01:43:50,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:43:50,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 01:43:51,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:51,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:43:51,165 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:43:51,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [242018535] [2022-11-18 01:43:51,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [242018535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:43:51,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:43:51,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-11-18 01:43:51,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833548375] [2022-11-18 01:43:51,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:43:51,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-18 01:43:51,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:43:51,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-18 01:43:51,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-11-18 01:43:51,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:51,169 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:43:51,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 7.9375) internal successors, (127), 17 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:43:51,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:51,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:51,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:51,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:43:51,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:51,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:51,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:51,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-18 01:43:51,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:53,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:53,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:53,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:53,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:43:53,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:53,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:53,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:53,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-18 01:43:53,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:43:53,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-18 01:43:53,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:53,539 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:43:53,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:43:53,539 INFO L85 PathProgramCache]: Analyzing trace with hash -961539331, now seen corresponding path program 1 times [2022-11-18 01:43:53,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:43:53,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266383503] [2022-11-18 01:43:53,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:53,540 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:53,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:43:53,542 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:43:53,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-18 01:43:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:53,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 01:43:53,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:43:54,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:43:54,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:43:54,352 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:43:54,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266383503] [2022-11-18 01:43:54,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [266383503] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:43:54,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:43:54,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 01:43:54,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883629074] [2022-11-18 01:43:54,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:43:54,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 01:43:54,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:43:54,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 01:43:54,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-18 01:43:54,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:54,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:43:54,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:43:54,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:54,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:54,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:54,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:43:54,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:54,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:54,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:54,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-18 01:43:54,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:43:54,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:43:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:57,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:57,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 01:43:57,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:43:57,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:43:57,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-18 01:43:57,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:57,435 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:43:57,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:43:57,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1397521945, now seen corresponding path program 1 times [2022-11-18 01:43:57,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:43:57,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1057730027] [2022-11-18 01:43:57,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:43:57,436 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:43:57,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:43:57,438 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:43:57,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-18 01:43:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:43:57,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 01:43:57,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:43:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 01:43:58,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:43:58,087 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:43:58,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1057730027] [2022-11-18 01:43:58,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1057730027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:43:58,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:43:58,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 01:43:58,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788950930] [2022-11-18 01:43:58,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:43:58,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 01:43:58,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:43:58,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 01:43:58,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-18 01:43:58,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:58,090 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:43:58,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.153846153846153) internal successors, (132), 13 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:43:58,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:43:58,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:43:58,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:58,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:43:58,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:43:58,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:58,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:43:58,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-18 01:43:58,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:43:58,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:43:58,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:00,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:00,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:44:00,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:00,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:44:00,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:00,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:00,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:00,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:44:00,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:44:00,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:44:00,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:44:00,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-18 01:44:00,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:44:00,337 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:44:00,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:44:00,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1605607639, now seen corresponding path program 1 times [2022-11-18 01:44:00,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:44:00,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440888440] [2022-11-18 01:44:00,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:44:00,339 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:44:00,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:44:00,340 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:44:00,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-18 01:44:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:44:00,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-18 01:44:00,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:44:00,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 01:44:01,942 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-18 01:44:01,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:44:08,073 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 01:44:08,073 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:44:08,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [440888440] [2022-11-18 01:44:08,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [440888440] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:44:08,073 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:44:08,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21] total 40 [2022-11-18 01:44:08,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876986323] [2022-11-18 01:44:08,074 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:44:08,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-11-18 01:44:08,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:44:08,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-11-18 01:44:08,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1404, Unknown=0, NotChecked=0, Total=1560 [2022-11-18 01:44:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:08,077 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:44:08,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 5.675) internal successors, (227), 40 states have internal predecessors, (227), 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 01:44:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:44:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:44:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:44:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:44:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:44:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:44:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:19,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:19,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:44:19,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:19,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:44:19,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:19,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:19,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:19,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:44:19,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:44:19,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:44:19,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:44:19,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-18 01:44:19,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-18 01:44:19,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:44:19,383 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:44:19,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:44:19,383 INFO L85 PathProgramCache]: Analyzing trace with hash 620044695, now seen corresponding path program 2 times [2022-11-18 01:44:19,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:44:19,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553950449] [2022-11-18 01:44:19,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:44:19,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:44:19,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:44:19,385 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:44:19,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-18 01:44:19,591 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 01:44:19,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:44:19,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-18 01:44:19,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:44:19,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 01:44:20,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:44:20,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:44:23,529 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:44:23,530 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:44:23,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553950449] [2022-11-18 01:44:23,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [553950449] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:44:23,530 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:44:23,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 34 [2022-11-18 01:44:23,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107931783] [2022-11-18 01:44:23,530 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:44:23,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-11-18 01:44:23,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:44:23,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-18 01:44:23,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1058, Unknown=0, NotChecked=0, Total=1190 [2022-11-18 01:44:23,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:23,533 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:44:23,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 6.0) internal successors, (204), 35 states have internal predecessors, (204), 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 01:44:23,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:23,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:44:23,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:23,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:44:23,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:23,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:23,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:23,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:44:23,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:44:23,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:44:23,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:44:23,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-18 01:44:23,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:31,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:31,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:44:31,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:31,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:44:31,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:31,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:31,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:31,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:44:31,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:44:31,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:44:31,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:44:31,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-18 01:44:31,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:44:31,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-18 01:44:31,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:44:31,287 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:44:31,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:44:31,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1919661237, now seen corresponding path program 1 times [2022-11-18 01:44:31,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:44:31,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678401975] [2022-11-18 01:44:31,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:44:31,289 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:44:31,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:44:31,291 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:44:31,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-18 01:44:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:44:31,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-18 01:44:31,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:44:32,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 01:44:32,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:44:33,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 01:44:33,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:44:33,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678401975] [2022-11-18 01:44:33,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678401975] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:44:33,273 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:44:33,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14] total 30 [2022-11-18 01:44:33,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687871580] [2022-11-18 01:44:33,274 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:44:33,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-18 01:44:33,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:44:33,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-18 01:44:33,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2022-11-18 01:44:33,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:33,276 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:44:33,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.8) internal successors, (234), 30 states have internal predecessors, (234), 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 01:44:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:44:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:33,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:44:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:44:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:44:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:44:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:44:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-18 01:44:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:44:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:44:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:44:35,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:35,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:35,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:35,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:44:35,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:44:35,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:44:35,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:44:35,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-18 01:44:35,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:44:35,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-18 01:44:35,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-18 01:44:35,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:44:35,666 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:44:35,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:44:35,667 INFO L85 PathProgramCache]: Analyzing trace with hash 756673312, now seen corresponding path program 1 times [2022-11-18 01:44:35,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:44:35,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940733588] [2022-11-18 01:44:35,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:44:35,668 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:44:35,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:44:35,669 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:44:35,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-18 01:44:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:44:35,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 01:44:35,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:44:35,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-18 01:44:36,105 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-18 01:44:36,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-18 01:44:36,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:44:36,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:44:36,164 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:44:36,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1940733588] [2022-11-18 01:44:36,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1940733588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:44:36,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:44:36,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 01:44:36,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917481728] [2022-11-18 01:44:36,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:44:36,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 01:44:36,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:44:36,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 01:44:36,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 01:44:36,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:36,166 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:44:36,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:44:36,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:36,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:44:36,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:36,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:44:36,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:36,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:36,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:36,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:44:36,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:44:36,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:44:36,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:44:36,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-18 01:44:36,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:44:36,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-11-18 01:44:36,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:36,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:36,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:44:36,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:36,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:44:36,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:36,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:36,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:36,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:44:36,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:44:36,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:44:36,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:44:36,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-18 01:44:36,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:44:36,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-18 01:44:36,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:44:36,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-18 01:44:36,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:44:36,757 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:44:36,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:44:36,757 INFO L85 PathProgramCache]: Analyzing trace with hash 756673313, now seen corresponding path program 1 times [2022-11-18 01:44:36,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:44:36,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498551131] [2022-11-18 01:44:36,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:44:36,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:44:36,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:44:36,759 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:44:36,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-18 01:44:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:44:37,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-18 01:44:37,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:44:37,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 01:44:37,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-18 01:44:38,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:44:38,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 16 [2022-11-18 01:44:38,385 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 01:44:38,385 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 13 [2022-11-18 01:44:38,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 01:44:38,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:44:53,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:44:53,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 01:44:53,379 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:44:53,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1498551131] [2022-11-18 01:44:53,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1498551131] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:44:53,379 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:44:53,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 13] total 31 [2022-11-18 01:44:53,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817681973] [2022-11-18 01:44:53,380 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:44:53,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-11-18 01:44:53,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:44:53,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-18 01:44:53,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=867, Unknown=1, NotChecked=0, Total=992 [2022-11-18 01:44:53,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:53,384 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:44:53,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 6.838709677419355) internal successors, (212), 32 states have internal predecessors, (212), 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 01:44:53,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:53,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:44:53,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:53,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:44:53,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:44:53,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:53,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:44:53,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:44:53,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:44:53,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:44:53,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:44:53,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-18 01:44:53,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:44:53,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-11-18 01:44:53,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:44:53,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:03,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:03,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:45:03,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:45:03,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:03,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:45:03,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:45:03,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:45:03,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:45:03,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:45:03,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:45:03,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:45:03,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:45:03,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:45:03,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:45:03,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:45:03,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:45:03,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-18 01:45:04,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:45:04,144 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:45:04,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:45:04,145 INFO L85 PathProgramCache]: Analyzing trace with hash 64893601, now seen corresponding path program 2 times [2022-11-18 01:45:04,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:45:04,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396866190] [2022-11-18 01:45:04,145 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:45:04,146 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:45:04,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:45:04,147 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:45:04,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-18 01:45:04,379 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 01:45:04,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:45:04,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-18 01:45:04,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:45:04,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 01:45:04,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-18 01:45:05,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:45:05,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 16 [2022-11-18 01:45:05,801 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 01:45:05,801 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 13 [2022-11-18 01:45:06,656 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 01:45:06,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:45:17,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:45:18,267 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 01:45:18,267 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:45:18,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [396866190] [2022-11-18 01:45:18,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [396866190] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:45:18,268 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:45:18,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 38 [2022-11-18 01:45:18,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590917412] [2022-11-18 01:45:18,269 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:45:18,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-11-18 01:45:18,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:45:18,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-11-18 01:45:18,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1319, Unknown=0, NotChecked=0, Total=1482 [2022-11-18 01:45:18,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:18,271 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:45:18,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 6.368421052631579) internal successors, (242), 39 states have internal predecessors, (242), 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 01:45:18,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:18,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:45:18,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:45:18,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:18,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:45:18,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:45:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:45:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:45:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:45:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:45:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:45:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:45:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-18 01:45:18,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:45:18,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:45:18,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:45:18,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:24,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:24,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:45:24,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:45:24,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:24,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:45:24,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:45:24,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:45:24,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:45:24,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:45:24,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:45:24,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:45:24,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:45:24,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:45:24,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:45:24,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:45:24,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:45:24,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:45:24,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-18 01:45:24,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:45:24,688 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:45:24,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:45:24,688 INFO L85 PathProgramCache]: Analyzing trace with hash -899915462, now seen corresponding path program 3 times [2022-11-18 01:45:24,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:45:24,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1010726308] [2022-11-18 01:45:24,689 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 01:45:24,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:45:24,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:45:24,690 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:45:24,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-18 01:45:24,998 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-18 01:45:24,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:45:25,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-18 01:45:25,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:45:25,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-18 01:45:25,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 01:45:26,689 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 01:45:26,690 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 13 [2022-11-18 01:45:26,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 19 [2022-11-18 01:45:30,619 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 19 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-18 01:45:30,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:46:12,309 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_502 (_ BitVec 32))) (or (not (bvule (_ bv8 32) v_ArrVal_502)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44|))) (forall ((|thread2Thread1of1ForFork0_~i~1#1| (_ BitVec 32))) (let ((.cse2 (bvmul (_ bv4 32) |thread2Thread1of1ForFork0_~i~1#1|))) (let ((.cse0 (bvadd (_ bv8 32) .cse2 c_~a2~0.offset)) (.cse1 (bvadd .cse2 c_~a2~0.offset (_ bv12 32)))) (or (not (bvule .cse0 .cse1)) (bvule (bvadd .cse2 (_ bv12 32)) v_ArrVal_502) (not (bvule (bvadd (_ bv4 32) .cse2 c_~a2~0.offset) .cse0)) (not (bvule .cse1 (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| v_ArrVal_502) c_~a2~0.base))))))))))) (forall ((v_ArrVal_502 (_ BitVec 32))) (or (not (bvule (_ bv8 32) v_ArrVal_502)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44|))) (forall ((|thread2Thread1of1ForFork0_~i~1#1| (_ BitVec 32))) (let ((.cse5 (bvmul (_ bv4 32) |thread2Thread1of1ForFork0_~i~1#1|))) (let ((.cse3 (bvadd (_ bv8 32) .cse5 c_~a2~0.offset)) (.cse4 (bvadd .cse5 c_~a2~0.offset (_ bv12 32)))) (or (not (bvule .cse3 .cse4)) (not (bvule (bvadd (_ bv4 32) .cse5 c_~a2~0.offset) .cse3)) (bvule (bvadd (_ bv8 32) .cse5) (bvadd .cse5 (_ bv12 32))) (not (bvule .cse4 (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| v_ArrVal_502) c_~a2~0.base)))))))))))) is different from false [2022-11-18 01:46:17,633 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_502 (_ BitVec 32))) (or (not (bvule (_ bv8 32) v_ArrVal_502)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| (_ BitVec 32))) (or (forall ((|thread2Thread1of1ForFork0_~i~1#1| (_ BitVec 32))) (let ((.cse0 (bvmul (_ bv4 32) |thread2Thread1of1ForFork0_~i~1#1|))) (let ((.cse1 (bvadd |c_ULTIMATE.start_main_#t~ret23#1.offset| (_ bv8 32) .cse0)) (.cse2 (bvadd |c_ULTIMATE.start_main_#t~ret23#1.offset| .cse0 (_ bv12 32)))) (or (not (bvule (bvadd |c_ULTIMATE.start_main_#t~ret23#1.offset| (_ bv4 32) .cse0) .cse1)) (bvule (bvadd .cse0 (_ bv12 32)) v_ArrVal_502) (not (bvule .cse2 (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| v_ArrVal_502) |c_ULTIMATE.start_main_#t~ret23#1.base|))) (not (bvule .cse1 .cse2)))))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44|))))))) (forall ((v_ArrVal_502 (_ BitVec 32))) (or (not (bvule (_ bv8 32) v_ArrVal_502)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44|))) (forall ((|thread2Thread1of1ForFork0_~i~1#1| (_ BitVec 32))) (let ((.cse3 (bvmul (_ bv4 32) |thread2Thread1of1ForFork0_~i~1#1|))) (let ((.cse4 (bvadd |c_ULTIMATE.start_main_#t~ret23#1.offset| (_ bv8 32) .cse3)) (.cse5 (bvadd |c_ULTIMATE.start_main_#t~ret23#1.offset| .cse3 (_ bv12 32)))) (or (not (bvule (bvadd |c_ULTIMATE.start_main_#t~ret23#1.offset| (_ bv4 32) .cse3) .cse4)) (not (bvule .cse5 (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| v_ArrVal_502) |c_ULTIMATE.start_main_#t~ret23#1.base|))) (bvule (bvadd (_ bv8 32) .cse3) (bvadd .cse3 (_ bv12 32))) (not (bvule .cse4 .cse5))))))))))) is different from false [2022-11-18 01:46:20,013 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_502 (_ BitVec 32))) (or (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44|))) (forall ((|thread2Thread1of1ForFork0_~i~1#1| (_ BitVec 32))) (let ((.cse0 (bvmul (_ bv4 32) |thread2Thread1of1ForFork0_~i~1#1|))) (let ((.cse1 (bvadd (_ bv8 32) .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse2 (bvadd .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| (_ bv12 32)))) (or (bvule (bvadd .cse0 (_ bv12 32)) v_ArrVal_502) (not (bvule .cse1 .cse2)) (not (bvule (bvadd (_ bv4 32) .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) .cse1)) (not (bvule .cse2 (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| v_ArrVal_502) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))))))))) (not (bvule (_ bv8 32) v_ArrVal_502)))) (forall ((v_ArrVal_502 (_ BitVec 32))) (or (not (bvule (_ bv8 32) v_ArrVal_502)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44|))) (forall ((|thread2Thread1of1ForFork0_~i~1#1| (_ BitVec 32))) (let ((.cse5 (bvmul (_ bv4 32) |thread2Thread1of1ForFork0_~i~1#1|))) (let ((.cse3 (bvadd (_ bv8 32) .cse5 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse4 (bvadd .cse5 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| (_ bv12 32)))) (or (not (bvule .cse3 .cse4)) (not (bvule (bvadd (_ bv4 32) .cse5 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) .cse3)) (bvule (bvadd (_ bv8 32) .cse5) (bvadd .cse5 (_ bv12 32))) (not (bvule .cse4 (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| v_ArrVal_502) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)))))))))))) is different from false [2022-11-18 01:46:22,226 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_502 (_ BitVec 32))) (or (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44|))) (forall ((|thread2Thread1of1ForFork0_~i~1#1| (_ BitVec 32))) (let ((.cse0 (bvmul (_ bv4 32) |thread2Thread1of1ForFork0_~i~1#1|))) (let ((.cse1 (bvadd |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| (_ bv8 32) .cse0)) (.cse2 (bvadd |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| .cse0 (_ bv12 32)))) (or (bvule (bvadd .cse0 (_ bv12 32)) v_ArrVal_502) (not (bvule (bvadd |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| (_ bv4 32) .cse0) .cse1)) (not (bvule .cse1 .cse2)) (not (bvule .cse2 (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| v_ArrVal_502) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))))))))) (not (bvule (_ bv8 32) v_ArrVal_502)))) (forall ((v_ArrVal_502 (_ BitVec 32))) (or (not (bvule (_ bv8 32) v_ArrVal_502)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44|))) (forall ((|thread2Thread1of1ForFork0_~i~1#1| (_ BitVec 32))) (let ((.cse3 (bvmul (_ bv4 32) |thread2Thread1of1ForFork0_~i~1#1|))) (let ((.cse4 (bvadd |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| (_ bv8 32) .cse3)) (.cse5 (bvadd |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| .cse3 (_ bv12 32)))) (or (not (bvule (bvadd |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| (_ bv4 32) .cse3) .cse4)) (not (bvule .cse4 .cse5)) (bvule (bvadd (_ bv8 32) .cse3) (bvadd .cse3 (_ bv12 32))) (not (bvule .cse5 (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| v_ArrVal_502) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)))))))))))) is different from false [2022-11-18 01:46:55,229 WARN L233 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:47:04,885 WARN L233 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:47:15,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:47:18,003 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-18 01:47:18,003 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:47:18,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1010726308] [2022-11-18 01:47:18,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1010726308] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:47:18,004 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:47:18,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 62 [2022-11-18 01:47:18,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934402964] [2022-11-18 01:47:18,004 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:47:18,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-11-18 01:47:18,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:47:18,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-11-18 01:47:18,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=3155, Unknown=8, NotChecked=468, Total=3906 [2022-11-18 01:47:18,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:18,008 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:47:18,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 62 states have (on average 4.451612903225806) internal successors, (276), 63 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:47:18,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:18,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:47:18,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:47:18,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:47:18,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:47:18,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:47:18,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:47:18,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:47:18,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:47:18,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:47:18,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:47:18,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:47:18,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:47:18,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:47:18,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:47:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:47:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:47:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:18,382 WARN L233 SmtUtils]: Spent 15.29s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:48:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:48:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:48:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:48:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:48:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:48:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:28,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:48:28,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:48:28,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:48:28,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:48:28,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:48:28,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:48:28,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:48:28,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:48:28,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-11-18 01:48:28,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2022-11-18 01:48:28,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:48:28,381 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:48:28,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:28,381 INFO L85 PathProgramCache]: Analyzing trace with hash -29029560, now seen corresponding path program 3 times [2022-11-18 01:48:28,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:48:28,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094758848] [2022-11-18 01:48:28,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 01:48:28,382 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:48:28,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:48:28,383 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:48:28,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-18 01:48:28,974 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-18 01:48:28,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:48:28,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 58 conjunts are in the unsatisfiable core [2022-11-18 01:48:28,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:48:29,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 01:48:29,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-18 01:48:32,856 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-18 01:48:32,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-11-18 01:48:32,931 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 01:48:32,931 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 13 [2022-11-18 01:48:40,659 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:48:40,659 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:48:52,229 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-18 01:48:52,229 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:48:52,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094758848] [2022-11-18 01:48:52,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094758848] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:48:52,229 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:48:52,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 23] total 63 [2022-11-18 01:48:52,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321676040] [2022-11-18 01:48:52,230 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:48:52,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-11-18 01:48:52,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:48:52,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-11-18 01:48:52,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=607, Invalid=3299, Unknown=0, NotChecked=0, Total=3906 [2022-11-18 01:48:52,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:52,233 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:52,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 4.380952380952381) internal successors, (276), 63 states have internal predecessors, (276), 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 01:48:52,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:52,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:52,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:48:52,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:52,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:48:52,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:48:52,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:48:52,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:48:52,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:52,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:48:52,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:48:52,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:48:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:48:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:48:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:48:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:48:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:48:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-11-18 01:48:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:50:13,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:50:13,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:50:13,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:50:13,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:13,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:50:13,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:50:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:50:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:50:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:50:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:50:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:50:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:50:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:50:13,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:50:13,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:50:13,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:50:13,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:50:13,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-11-18 01:50:13,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-11-18 01:50:13,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-11-18 01:50:13,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:50:13,687 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:50:13,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:50:13,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1772434812, now seen corresponding path program 4 times [2022-11-18 01:50:13,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:50:13,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635886610] [2022-11-18 01:50:13,688 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 01:50:13,688 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:50:13,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:50:13,689 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:50:13,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-18 01:50:13,976 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 01:50:13,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:50:13,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-18 01:50:13,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:50:14,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 01:50:15,314 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 17 treesize of output 13 [2022-11-18 01:50:17,404 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-18 01:50:17,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:50:21,410 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-18 01:50:21,410 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:50:21,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635886610] [2022-11-18 01:50:21,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1635886610] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:50:21,411 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:50:21,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 45 [2022-11-18 01:50:21,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735165674] [2022-11-18 01:50:21,411 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:50:21,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-11-18 01:50:21,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:50:21,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-11-18 01:50:21,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=393, Invalid=1587, Unknown=0, NotChecked=0, Total=1980 [2022-11-18 01:50:21,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:50:21,414 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:50:21,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.866666666666666) internal successors, (264), 45 states have internal predecessors, (264), 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 01:50:21,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:50:21,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:50:21,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:50:21,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:21,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:50:21,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:50:21,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:50:21,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:50:21,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:50:21,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:50:21,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:50:21,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:50:21,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:50:21,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:50:21,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:50:21,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:50:21,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:50:21,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-11-18 01:50:21,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2022-11-18 01:50:21,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:50:53,705 WARN L233 SmtUtils]: Spent 13.67s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:51:13,607 WARN L233 SmtUtils]: Spent 13.31s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:51:51,970 WARN L233 SmtUtils]: Spent 14.63s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:52:35,121 WARN L233 SmtUtils]: Spent 28.30s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:52:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:52:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:52:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:52:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:52:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:52:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:52:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:52:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:52:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:52:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:52:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:52:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:52:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:52:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:52:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:52:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:52:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:52:58,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-11-18 01:52:58,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-18 01:52:58,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-18 01:52:58,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:52:58,447 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:52:58,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:52:58,447 INFO L85 PathProgramCache]: Analyzing trace with hash -201067282, now seen corresponding path program 5 times [2022-11-18 01:52:58,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:52:58,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1719323063] [2022-11-18 01:52:58,448 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-18 01:52:58,448 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:52:58,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:52:58,449 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:52:58,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-11-18 01:52:58,750 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-11-18 01:52:58,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:52:58,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-18 01:52:58,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:53:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-18 01:53:00,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:53:03,558 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-18 01:53:03,558 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:53:03,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1719323063] [2022-11-18 01:53:03,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1719323063] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:53:03,559 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:53:03,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 38 [2022-11-18 01:53:03,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465729139] [2022-11-18 01:53:03,559 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:53:03,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-11-18 01:53:03,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:53:03,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-18 01:53:03,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=1158, Unknown=0, NotChecked=0, Total=1406 [2022-11-18 01:53:03,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:53:03,562 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:53:03,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 6.078947368421052) internal successors, (231), 38 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:53:03,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:53:03,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:53:03,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:53:03,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:53:03,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:53:03,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:53:03,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:53:03,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:53:03,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:53:03,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:53:03,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:53:03,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:53:03,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:53:03,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:53:03,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:53:03,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:53:03,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:53:03,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:53:03,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-11-18 01:53:03,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-18 01:53:03,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:53:14,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:53:14,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:53:14,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:53:14,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:53:14,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:53:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:53:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:53:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:53:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:53:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:53:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:53:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:53:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:53:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:53:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:53:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:53:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:53:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:53:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-11-18 01:53:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-18 01:53:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-18 01:53:14,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-11-18 01:53:14,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:53:14,963 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:53:14,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:53:14,963 INFO L85 PathProgramCache]: Analyzing trace with hash 839859293, now seen corresponding path program 4 times [2022-11-18 01:53:14,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:53:14,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111014293] [2022-11-18 01:53:14,964 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 01:53:14,964 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:53:14,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:53:14,965 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:53:14,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-11-18 01:53:15,224 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 01:53:15,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:53:15,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-18 01:53:15,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:53:15,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 01:53:19,084 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-18 01:53:19,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:53:32,142 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-18 01:53:32,143 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:53:32,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111014293] [2022-11-18 01:53:32,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [111014293] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:53:32,143 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:53:32,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 46 [2022-11-18 01:53:32,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827713658] [2022-11-18 01:53:32,143 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:53:32,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-11-18 01:53:32,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:53:32,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-11-18 01:53:32,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=1948, Unknown=0, NotChecked=0, Total=2162 [2022-11-18 01:53:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:53:32,146 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:53:32,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 5.217391304347826) internal successors, (240), 47 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:53:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:53:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:53:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:53:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:53:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:53:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:53:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:53:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:53:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:53:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:53:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:53:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:53:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:53:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:53:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:53:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:53:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:53:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:53:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-11-18 01:53:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-18 01:53:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-11-18 01:53:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:53:58,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 01:54:06,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:54:06,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:54:06,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:54:06,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:54:06,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:54:06,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:54:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:54:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:54:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:54:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:54:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:54:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:54:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:54:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:54:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:54:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:54:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:54:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:54:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-11-18 01:54:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-18 01:54:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-18 01:54:06,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:54:06,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2022-11-18 01:54:06,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:54:06,459 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:54:06,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:54:06,459 INFO L85 PathProgramCache]: Analyzing trace with hash -546603043, now seen corresponding path program 5 times [2022-11-18 01:54:06,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:54:06,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1069826232] [2022-11-18 01:54:06,460 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-18 01:54:06,460 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:54:06,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:54:06,461 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:54:06,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-11-18 01:54:07,064 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-11-18 01:54:07,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:54:07,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-18 01:54:07,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:54:07,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 01:54:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 120 proven. 57 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-18 01:54:11,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:54:29,995 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-18 01:54:29,996 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:54:29,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1069826232] [2022-11-18 01:54:29,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1069826232] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:54:29,996 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:54:29,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 33] total 60 [2022-11-18 01:54:29,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781592745] [2022-11-18 01:54:29,996 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:54:29,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-11-18 01:54:29,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:54:29,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-11-18 01:54:29,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=3276, Unknown=0, NotChecked=0, Total=3540 [2022-11-18 01:54:29,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:54:29,999 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:54:30,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 5.083333333333333) internal successors, (305), 60 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:54:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:54:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:54:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:54:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:54:30,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:54:30,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:54:30,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:54:30,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:54:30,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:54:30,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:54:30,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:54:30,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:54:30,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:54:30,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:54:30,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:54:30,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:54:30,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:54:30,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:54:30,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-11-18 01:54:30,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-18 01:54:30,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-11-18 01:54:30,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:54:30,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:55:52,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:55:52,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:55:52,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:55:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:55:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:55:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:55:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:55:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:55:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:55:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:55:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:55:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:55:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:55:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:55:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:55:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:55:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:55:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:55:52,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-11-18 01:55:52,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-18 01:55:52,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-18 01:55:52,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:55:52,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-11-18 01:55:52,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2022-11-18 01:55:52,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:55:52,811 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:55:52,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:55:52,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1358381115, now seen corresponding path program 6 times [2022-11-18 01:55:52,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:55:52,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140579095] [2022-11-18 01:55:52,812 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-18 01:55:52,812 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:55:52,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:55:52,813 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:55:52,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-11-18 01:55:53,228 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-11-18 01:55:53,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:55:53,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-18 01:55:53,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:55:53,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-18 01:55:53,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 01:55:55,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:55:55,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 16 [2022-11-18 01:55:55,164 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 01:55:55,164 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 13 [2022-11-18 01:55:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-18 01:55:57,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:56:12,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:56:14,885 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-18 01:56:14,885 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:56:14,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140579095] [2022-11-18 01:56:14,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140579095] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:56:14,886 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:56:14,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 48 [2022-11-18 01:56:14,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138282285] [2022-11-18 01:56:14,886 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:56:14,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-11-18 01:56:14,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:56:14,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-11-18 01:56:14,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=2131, Unknown=0, NotChecked=0, Total=2352 [2022-11-18 01:56:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:56:14,889 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:56:14,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 5.645833333333333) internal successors, (271), 49 states have internal predecessors, (271), 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 01:56:14,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:56:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:56:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:56:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:56:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:56:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:56:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:56:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:56:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:56:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:56:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:56:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:56:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:56:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:56:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:56:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:56:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:56:14,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:56:14,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-11-18 01:56:14,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-18 01:56:14,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-11-18 01:56:14,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:56:14,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-11-18 01:56:14,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:56:35,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 01:56:39,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 01:56:43,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:56:43,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:56:43,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:56:43,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:56:43,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:56:43,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:56:43,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:56:43,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:56:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:56:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:56:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:56:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:56:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:56:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:56:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:56:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:56:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:56:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:56:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-11-18 01:56:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-18 01:56:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-18 01:56:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:56:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-11-18 01:56:43,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-11-18 01:56:43,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-11-18 01:56:43,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:56:43,608 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:56:43,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:56:43,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1279715882, now seen corresponding path program 6 times [2022-11-18 01:56:43,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:56:43,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610670548] [2022-11-18 01:56:43,610 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-18 01:56:43,610 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:56:43,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:56:43,611 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:56:43,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-11-18 01:56:44,069 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-11-18 01:56:44,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:56:44,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-18 01:56:44,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:56:44,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 01:56:44,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-18 01:56:47,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:56:47,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 16 [2022-11-18 01:56:47,084 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 01:56:47,084 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 13 [2022-11-18 01:56:49,775 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 119 proven. 54 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-18 01:56:49,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:57:00,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:57:00,130 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 119 proven. 54 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-18 01:57:00,131 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:57:00,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [610670548] [2022-11-18 01:57:00,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [610670548] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:57:00,131 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:57:00,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 24] total 52 [2022-11-18 01:57:00,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434982164] [2022-11-18 01:57:00,131 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:57:00,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-11-18 01:57:00,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:57:00,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-11-18 01:57:00,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=2430, Unknown=1, NotChecked=0, Total=2652 [2022-11-18 01:57:00,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:57:00,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:57:00,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.769230769230769) internal successors, (300), 52 states have internal predecessors, (300), 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 01:57:00,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:57:00,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:57:00,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:57:00,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:57:00,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:57:00,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:57:00,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:57:00,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:57:00,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:57:00,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:57:00,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:57:00,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:57:00,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:57:00,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:57:00,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:57:00,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:57:00,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:57:00,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:57:00,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-11-18 01:57:00,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-18 01:57:00,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-11-18 01:57:00,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:57:00,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-11-18 01:57:00,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-11-18 01:57:00,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:57:18,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:57:18,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:57:18,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:57:18,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:57:18,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:57:18,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:57:18,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:57:18,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:57:18,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:57:18,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:57:18,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:57:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:57:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:57:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:57:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:57:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:57:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:57:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:57:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-11-18 01:57:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-18 01:57:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-18 01:57:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:57:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-11-18 01:57:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-11-18 01:57:18,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-18 01:57:18,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-11-18 01:57:18,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:57:18,254 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-11-18 01:57:18,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:57:18,254 INFO L85 PathProgramCache]: Analyzing trace with hash -463867840, now seen corresponding path program 7 times [2022-11-18 01:57:18,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 01:57:18,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105537392] [2022-11-18 01:57:18,255 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-18 01:57:18,255 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 01:57:18,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat [2022-11-18 01:57:18,256 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 01:57:18,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48ffa46-6932-4777-8d79-1ebe21da2b06/bin/ugemcutter-AnMVkTqH3k/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-11-18 01:57:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:57:18,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-18 01:57:18,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:57:19,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 01:57:24,791 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 96 proven. 145 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-18 01:57:24,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:57:48,138 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 250 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 01:57:48,139 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 01:57:48,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105537392] [2022-11-18 01:57:48,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [105537392] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:57:48,139 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 01:57:48,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 36] total 70 [2022-11-18 01:57:48,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048587612] [2022-11-18 01:57:48,139 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 01:57:48,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-11-18 01:57:48,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 01:57:48,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-11-18 01:57:48,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=370, Invalid=4460, Unknown=0, NotChecked=0, Total=4830 [2022-11-18 01:57:48,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:57:48,143 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:57:48,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 4.785714285714286) internal successors, (335), 70 states have internal predecessors, (335), 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 01:57:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:57:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:57:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:57:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:57:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:57:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:57:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-18 01:57:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-18 01:57:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:57:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-18 01:57:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-18 01:57:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:57:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:57:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:57:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-18 01:57:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-18 01:57:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-18 01:57:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-11-18 01:57:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-11-18 01:57:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-18 01:57:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-11-18 01:57:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-18 01:57:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-11-18 01:57:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-11-18 01:57:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-11-18 01:57:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.