./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e7fbc69 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_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am --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 83dad307cba3d7607e136206fd160e874fd8a32bc88cbef3e5973f117a7651cc --- 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-4e7fbc6 [2022-11-23 06:51:48,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 06:51:48,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 06:51:49,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 06:51:49,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 06:51:49,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 06:51:49,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 06:51:49,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 06:51:49,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 06:51:49,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 06:51:49,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 06:51:49,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 06:51:49,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 06:51:49,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 06:51:49,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 06:51:49,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 06:51:49,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 06:51:49,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 06:51:49,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 06:51:49,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 06:51:49,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 06:51:49,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 06:51:49,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 06:51:49,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 06:51:49,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 06:51:49,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 06:51:49,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 06:51:49,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 06:51:49,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 06:51:49,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 06:51:49,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 06:51:49,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 06:51:49,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 06:51:49,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 06:51:49,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 06:51:49,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 06:51:49,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 06:51:49,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 06:51:49,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 06:51:49,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 06:51:49,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 06:51:49,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-11-23 06:51:49,104 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 06:51:49,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 06:51:49,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 06:51:49,105 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 06:51:49,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 06:51:49,107 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 06:51:49,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 06:51:49,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 06:51:49,108 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 06:51:49,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 06:51:49,108 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 06:51:49,109 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 06:51:49,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 06:51:49,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 06:51:49,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 06:51:49,110 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 06:51:49,110 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 06:51:49,110 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 06:51:49,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 06:51:49,111 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 06:51:49,111 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 06:51:49,111 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 06:51:49,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 06:51:49,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 06:51:49,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 06:51:49,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:51:49,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 06:51:49,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 06:51:49,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 06:51:49,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 06:51:49,114 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-23 06:51:49,114 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-23 06:51:49,114 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-23 06:51:49,114 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-23 06:51:49,115 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-23 06:51:49,115 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_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83dad307cba3d7607e136206fd160e874fd8a32bc88cbef3e5973f117a7651cc [2022-11-23 06:51:49,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 06:51:49,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 06:51:49,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 06:51:49,404 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 06:51:49,404 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 06:51:49,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/../../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2022-11-23 06:51:52,677 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 06:51:52,950 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 06:51:52,951 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2022-11-23 06:51:52,960 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/data/4847e360a/0edadd033bc2447ca2e34f456a557842/FLAG222ec4b29 [2022-11-23 06:51:52,981 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/data/4847e360a/0edadd033bc2447ca2e34f456a557842 [2022-11-23 06:51:52,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 06:51:52,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 06:51:52,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 06:51:52,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 06:51:52,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 06:51:52,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:51:52" (1/1) ... [2022-11-23 06:51:52,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785a3dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:51:52, skipping insertion in model container [2022-11-23 06:51:52,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:51:52" (1/1) ... [2022-11-23 06:51:53,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 06:51:53,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 06:51:53,317 WARN L237 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_5a940eae-2aa7-43b5-9623-aa426c785750/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c[12821,12834] [2022-11-23 06:51:53,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:51:53,367 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) [2022-11-23 06:51:53,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18e71e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:51:53, skipping insertion in model container [2022-11-23 06:51:53,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 06:51:53,371 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 06:51:53,373 INFO L158 Benchmark]: Toolchain (without parser) took 386.97ms. Allocated memory is still 161.5MB. Free memory was 131.0MB in the beginning and 116.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 06:51:53,373 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory was 64.7MB in the beginning and 64.5MB in the end (delta: 201.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:51:53,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.68ms. Allocated memory is still 161.5MB. Free memory was 130.7MB in the beginning and 116.3MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 06:51:53,375 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 111.1MB. Free memory was 64.7MB in the beginning and 64.5MB in the end (delta: 201.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.68ms. Allocated memory is still 161.5MB. Free memory was 130.7MB in the beginning and 116.3MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 244]: 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_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am --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 83dad307cba3d7607e136206fd160e874fd8a32bc88cbef3e5973f117a7651cc --- 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-4e7fbc6 [2022-11-23 06:51:55,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 06:51:55,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 06:51:55,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 06:51:55,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 06:51:55,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 06:51:55,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 06:51:55,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 06:51:55,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 06:51:55,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 06:51:55,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 06:51:55,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 06:51:55,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 06:51:55,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 06:51:55,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 06:51:55,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 06:51:55,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 06:51:55,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 06:51:55,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 06:51:55,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 06:51:55,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 06:51:55,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 06:51:55,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 06:51:55,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 06:51:56,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 06:51:56,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 06:51:56,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 06:51:56,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 06:51:56,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 06:51:56,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 06:51:56,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 06:51:56,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 06:51:56,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 06:51:56,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 06:51:56,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 06:51:56,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 06:51:56,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 06:51:56,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 06:51:56,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 06:51:56,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 06:51:56,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 06:51:56,026 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2022-11-23 06:51:56,071 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 06:51:56,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 06:51:56,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 06:51:56,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 06:51:56,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 06:51:56,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 06:51:56,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 06:51:56,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 06:51:56,076 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 06:51:56,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 06:51:56,077 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 06:51:56,078 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 06:51:56,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 06:51:56,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 06:51:56,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 06:51:56,078 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 06:51:56,079 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 06:51:56,079 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 06:51:56,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 06:51:56,079 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 06:51:56,080 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 06:51:56,080 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 06:51:56,080 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 06:51:56,080 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 06:51:56,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 06:51:56,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 06:51:56,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 06:51:56,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:51:56,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 06:51:56,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 06:51:56,082 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-23 06:51:56,082 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 06:51:56,083 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-23 06:51:56,083 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-23 06:51:56,083 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-23 06:51:56,083 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-23 06:51:56,084 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-23 06:51:56,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 06:51:56,084 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_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83dad307cba3d7607e136206fd160e874fd8a32bc88cbef3e5973f117a7651cc [2022-11-23 06:51:56,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 06:51:56,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 06:51:56,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 06:51:56,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 06:51:56,528 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 06:51:56,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/../../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2022-11-23 06:52:00,092 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 06:52:00,433 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 06:52:00,434 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2022-11-23 06:52:00,444 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/data/deada1725/69ac86d2800042118841d354eb7d35f5/FLAG68ab53508 [2022-11-23 06:52:00,466 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/data/deada1725/69ac86d2800042118841d354eb7d35f5 [2022-11-23 06:52:00,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 06:52:00,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 06:52:00,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 06:52:00,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 06:52:00,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 06:52:00,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:52:00" (1/1) ... [2022-11-23 06:52:00,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3036eb92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:00, skipping insertion in model container [2022-11-23 06:52:00,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:52:00" (1/1) ... [2022-11-23 06:52:00,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 06:52:00,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 06:52:00,989 WARN L237 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_5a940eae-2aa7-43b5-9623-aa426c785750/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c[12821,12834] [2022-11-23 06:52:01,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:52:01,032 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-23 06:52:01,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 06:52:01,180 WARN L237 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_5a940eae-2aa7-43b5-9623-aa426c785750/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c[12821,12834] [2022-11-23 06:52:01,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:52:01,209 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 06:52:01,286 WARN L237 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_5a940eae-2aa7-43b5-9623-aa426c785750/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c[12821,12834] [2022-11-23 06:52:01,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:52:01,322 INFO L208 MainTranslator]: Completed translation [2022-11-23 06:52:01,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:01 WrapperNode [2022-11-23 06:52:01,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 06:52:01,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 06:52:01,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 06:52:01,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 06:52:01,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:01" (1/1) ... [2022-11-23 06:52:01,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:01" (1/1) ... [2022-11-23 06:52:01,496 INFO L138 Inliner]: procedures = 27, calls = 307, calls flagged for inlining = 69, calls inlined = 97, statements flattened = 1506 [2022-11-23 06:52:01,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 06:52:01,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 06:52:01,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 06:52:01,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 06:52:01,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:01" (1/1) ... [2022-11-23 06:52:01,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:01" (1/1) ... [2022-11-23 06:52:01,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:01" (1/1) ... [2022-11-23 06:52:01,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:01" (1/1) ... [2022-11-23 06:52:01,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:01" (1/1) ... [2022-11-23 06:52:01,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:01" (1/1) ... [2022-11-23 06:52:01,649 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:01" (1/1) ... [2022-11-23 06:52:01,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:01" (1/1) ... [2022-11-23 06:52:01,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 06:52:01,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 06:52:01,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 06:52:01,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 06:52:01,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:01" (1/1) ... [2022-11-23 06:52:01,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:52:01,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:52:01,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 06:52:01,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 06:52:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 06:52:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 06:52:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 06:52:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 06:52:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-23 06:52:01,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-23 06:52:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-23 06:52:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-23 06:52:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-23 06:52:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-23 06:52:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 06:52:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 06:52:01,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 06:52:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 06:52:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 06:52:01,787 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 06:52:02,104 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 06:52:02,107 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 06:52:06,489 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 06:52:18,846 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 06:52:18,848 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-23 06:52:18,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:52:18 BoogieIcfgContainer [2022-11-23 06:52:18,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 06:52:18,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 06:52:18,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 06:52:18,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 06:52:18,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:52:00" (1/3) ... [2022-11-23 06:52:18,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2504812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:52:18, skipping insertion in model container [2022-11-23 06:52:18,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:01" (2/3) ... [2022-11-23 06:52:18,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2504812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:52:18, skipping insertion in model container [2022-11-23 06:52:18,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:52:18" (3/3) ... [2022-11-23 06:52:18,868 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2022-11-23 06:52:18,891 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 06:52:18,892 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 378 error locations. [2022-11-23 06:52:18,892 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 06:52:22,087 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-23 06:52:22,197 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:52:22,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-23 06:52:22,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:52:22,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-23 06:52:22,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-23 06:52:22,278 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-23 06:52:22,292 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork1 ======== [2022-11-23 06:52:22,302 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;@5d5d144a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:52:22,302 INFO L358 AbstractCegarLoop]: Starting to check reachability of 176 error locations. [2022-11-23 06:52:40,593 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:52:40,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:52:40,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1189549940, now seen corresponding path program 1 times [2022-11-23 06:52:40,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:52:40,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550343947] [2022-11-23 06:52:40,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:52:40,616 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 [2022-11-23 06:52:40,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:52:40,636 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:52:40,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:52:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:52:43,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 06:52:43,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:52:43,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:52:43,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:52:43,058 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:52:43,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550343947] [2022-11-23 06:52:43,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550343947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:52:43,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:52:43,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 06:52:43,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705525110] [2022-11-23 06:52:43,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:52:43,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 06:52:43,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:52:43,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 06:52:43,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 06:52:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:43,126 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:52:43,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 139.0) internal successors, (278), 2 states have internal predecessors, (278), 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) [2022-11-23 06:52:43,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:43,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:43,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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)] Forceful destruction successful, exit code 0 [2022-11-23 06:52:43,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:52:43,551 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:52:43,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:52:43,552 INFO L85 PathProgramCache]: Analyzing trace with hash 2017312351, now seen corresponding path program 1 times [2022-11-23 06:52:43,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:52:43,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396499860] [2022-11-23 06:52:43,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:52:43,554 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 [2022-11-23 06:52:43,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:52:43,556 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:52:43,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:52:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:52:46,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 06:52:46,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:52:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:52:46,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:52:46,526 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:52:46,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [396499860] [2022-11-23 06:52:46,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [396499860] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:52:46,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:52:46,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 06:52:46,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552925054] [2022-11-23 06:52:46,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:52:46,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 06:52:46,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:52:46,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 06:52:46,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 06:52:46,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:46,534 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:52:46,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.4) internal successors, (262), 5 states have internal predecessors, (262), 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) [2022-11-23 06:52:46,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:46,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:46,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:46,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:52:46,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:52:47,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:52:47,071 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:52:47,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:52:47,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1867187644, now seen corresponding path program 1 times [2022-11-23 06:52:47,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:52:47,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565094461] [2022-11-23 06:52:47,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:52:47,074 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 [2022-11-23 06:52:47,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:52:47,075 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:52:47,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:52:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:52:49,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 06:52:49,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:52:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 06:52:49,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:52:49,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 06:52:49,646 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:52:49,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565094461] [2022-11-23 06:52:49,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565094461] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:52:49,646 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 06:52:49,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-23 06:52:49,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494858706] [2022-11-23 06:52:49,647 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 06:52:49,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 06:52:49,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:52:49,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 06:52:49,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-23 06:52:49,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:49,651 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:52:49,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 25.083333333333332) internal successors, (301), 12 states have internal predecessors, (301), 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) [2022-11-23 06:52:49,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:49,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:52:49,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:51,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:51,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:52:51,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:52:51,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:52:51,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:52:51,676 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:52:51,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:52:51,677 INFO L85 PathProgramCache]: Analyzing trace with hash -951272086, now seen corresponding path program 1 times [2022-11-23 06:52:51,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:52:51,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2004609406] [2022-11-23 06:52:51,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:52:51,678 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 [2022-11-23 06:52:51,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:52:51,682 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:52:51,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:52:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:52:54,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-23 06:52:54,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:52:54,427 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-23 06:52:54,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:52:54,887 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-23 06:52:54,888 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:52:54,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2004609406] [2022-11-23 06:52:54,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2004609406] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:52:54,888 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 06:52:54,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2022-11-23 06:52:54,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252365970] [2022-11-23 06:52:54,889 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 06:52:54,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-23 06:52:54,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:52:54,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-23 06:52:54,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2022-11-23 06:52:54,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:54,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:52:54,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 18.05) internal successors, (361), 20 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 06:52:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:54,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:52:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:52:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:59,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:59,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:52:59,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:52:59,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:52:59,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:52:59,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:52:59,561 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:52:59,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:52:59,562 INFO L85 PathProgramCache]: Analyzing trace with hash 57062424, now seen corresponding path program 2 times [2022-11-23 06:52:59,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:52:59,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937413183] [2022-11-23 06:52:59,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 06:52:59,564 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 [2022-11-23 06:52:59,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:52:59,566 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:52:59,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:53:01,963 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-23 06:53:01,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:53:01,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-23 06:53:01,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:53:02,017 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 [2022-11-23 06:53:02,204 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 06:53:02,204 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 [2022-11-23 06:53:02,896 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-11-23 06:53:02,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 43 [2022-11-23 06:53:03,590 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-11-23 06:53:03,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 43 [2022-11-23 06:53:04,314 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-11-23 06:53:04,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 43 [2022-11-23 06:53:05,028 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-11-23 06:53:05,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 32 [2022-11-23 06:53:05,756 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-11-23 06:53:05,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 32 [2022-11-23 06:53:06,395 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-11-23 06:53:06,395 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:53:06,395 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:53:06,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937413183] [2022-11-23 06:53:06,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937413183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:53:06,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:53:06,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 06:53:06,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712884158] [2022-11-23 06:53:06,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:53:06,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 06:53:06,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:53:06,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 06:53:06,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-23 06:53:06,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:53:06,401 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:53:06,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 44.285714285714285) internal successors, (310), 8 states have internal predecessors, (310), 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) [2022-11-23 06:53:06,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:53:06,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:53:06,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:53:06,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:53:06,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:53:22,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:53:22,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:53:22,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:53:22,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:53:22,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:53:22,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:53:23,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:53:23,052 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:53:23,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:53:23,053 INFO L85 PathProgramCache]: Analyzing trace with hash 57062425, now seen corresponding path program 1 times [2022-11-23 06:53:23,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:53:23,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1078727557] [2022-11-23 06:53:23,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:53:23,054 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 [2022-11-23 06:53:23,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:53:23,057 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:53:23,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:53:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:53:26,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 06:53:26,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:53:26,386 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-11-23 06:53:26,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:53:26,935 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-11-23 06:53:26,935 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:53:26,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1078727557] [2022-11-23 06:53:26,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1078727557] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:53:26,935 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 06:53:26,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2022-11-23 06:53:26,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424147208] [2022-11-23 06:53:26,936 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 06:53:26,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-23 06:53:26,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:53:26,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-23 06:53:26,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2022-11-23 06:53:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:53:26,943 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:53:26,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 15.541666666666666) internal successors, (373), 24 states have internal predecessors, (373), 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) [2022-11-23 06:53:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:53:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:53:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:53:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:53:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:53:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:53:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:53:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:53:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:53:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:53:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:53:32,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:53:32,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:53:32,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:53:32,999 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:53:33,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:53:33,000 INFO L85 PathProgramCache]: Analyzing trace with hash -762974454, now seen corresponding path program 2 times [2022-11-23 06:53:33,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:53:33,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1468661941] [2022-11-23 06:53:33,002 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 06:53:33,002 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 [2022-11-23 06:53:33,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:53:33,003 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:53:33,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:53:35,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-23 06:53:35,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:53:35,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-23 06:53:35,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:53:35,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 06:53:35,537 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 [2022-11-23 06:53:36,139 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 06:53:36,140 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 [2022-11-23 06:53:36,152 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 12 treesize of output 14 [2022-11-23 06:53:36,574 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 06:53:36,574 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 [2022-11-23 06:53:36,580 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 12 treesize of output 14 [2022-11-23 06:53:37,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:53:37,075 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 12 treesize of output 14 [2022-11-23 06:53:37,110 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 06:53:37,111 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 [2022-11-23 06:53:37,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:53:37,601 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 12 treesize of output 14 [2022-11-23 06:53:37,623 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 06:53:37,624 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 [2022-11-23 06:53:38,077 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 [2022-11-23 06:53:38,098 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 06:53:38,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-23 06:53:40,849 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:53:40,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 62 [2022-11-23 06:53:40,911 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-23 06:53:40,911 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 3 case distinctions, treesize of input 35 treesize of output 46 [2022-11-23 06:53:44,504 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 740 trivial. 0 not checked. [2022-11-23 06:53:44,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:53:44,504 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:53:44,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1468661941] [2022-11-23 06:53:44,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1468661941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:53:44,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:53:44,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-23 06:53:44,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131507025] [2022-11-23 06:53:44,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:53:44,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-23 06:53:44,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:53:44,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-23 06:53:44,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-11-23 06:53:44,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:53:44,509 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:53:44,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 20.666666666666668) internal successors, (310), 16 states have internal predecessors, (310), 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) [2022-11-23 06:53:44,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:53:44,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:53:44,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:53:44,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:53:44,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:53:44,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:53:44,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:53:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:53:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:53:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:53:59,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:53:59,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:53:59,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:53:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:53:59,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:53:59,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:53:59,547 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:53:59,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:53:59,548 INFO L85 PathProgramCache]: Analyzing trace with hash -762974453, now seen corresponding path program 1 times [2022-11-23 06:53:59,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:53:59,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897254646] [2022-11-23 06:53:59,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:53:59,549 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 [2022-11-23 06:53:59,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:53:59,550 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:53:59,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:54:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:54:02,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 1065 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-23 06:54:02,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:54:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2022-11-23 06:54:03,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:54:05,101 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2022-11-23 06:54:05,102 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:54:05,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897254646] [2022-11-23 06:54:05,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [897254646] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:54:05,102 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 06:54:05,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2022-11-23 06:54:05,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311477673] [2022-11-23 06:54:05,103 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 06:54:05,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-11-23 06:54:05,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:54:05,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-11-23 06:54:05,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=1622, Unknown=0, NotChecked=0, Total=1892 [2022-11-23 06:54:05,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:54:05,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:54:05,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 9.840909090909092) internal successors, (433), 44 states have internal predecessors, (433), 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) [2022-11-23 06:54:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:54:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:54:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:54:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:54:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:54:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:54:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:54:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:54:12,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:54:12,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:54:12,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:54:12,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:54:12,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:54:12,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:54:12,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:54:12,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:54:12,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:54:12,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:54:12,420 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:54:12,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:54:12,420 INFO L85 PathProgramCache]: Analyzing trace with hash -246764161, now seen corresponding path program 2 times [2022-11-23 06:54:12,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:54:12,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294172943] [2022-11-23 06:54:12,421 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 06:54:12,421 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 [2022-11-23 06:54:12,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:54:12,422 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:54:12,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:54:14,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-23 06:54:14,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:54:14,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-23 06:54:14,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:54:14,985 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 6 treesize of output 7 [2022-11-23 06:54:15,180 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 06:54:15,181 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 [2022-11-23 06:54:15,817 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-11-23 06:54:15,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 43 [2022-11-23 06:54:17,265 INFO L321 Elim1Store]: treesize reduction 66, result has 34.0 percent of original size [2022-11-23 06:54:17,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 59 [2022-11-23 06:54:20,967 INFO L321 Elim1Store]: treesize reduction 88, result has 33.8 percent of original size [2022-11-23 06:54:20,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 75 [2022-11-23 06:54:24,744 INFO L321 Elim1Store]: treesize reduction 88, result has 33.8 percent of original size [2022-11-23 06:54:24,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 75 [2022-11-23 06:54:29,148 INFO L321 Elim1Store]: treesize reduction 64, result has 31.2 percent of original size [2022-11-23 06:54:29,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 56 [2022-11-23 06:54:41,597 INFO L321 Elim1Store]: treesize reduction 64, result has 31.2 percent of original size [2022-11-23 06:54:41,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 56 [2022-11-23 06:54:55,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 06:54:55,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:54:55,421 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:54:55,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294172943] [2022-11-23 06:54:55,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1294172943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:54:55,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:54:55,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 06:54:55,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183163291] [2022-11-23 06:54:55,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:54:55,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 06:54:55,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:54:55,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 06:54:55,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-23 06:54:55,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:54:55,426 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:54:55,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 34.44444444444444) internal successors, (310), 10 states have internal predecessors, (310), 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) [2022-11-23 06:54:55,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:54:55,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:54:55,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:54:55,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:54:55,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:54:55,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:54:55,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:54:55,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:54:55,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:55:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:55:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:55:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:55:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:55:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:55:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:55:02,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:55:02,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:55:02,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:55:02,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:55:02,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:55:02,278 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:55:02,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:55:02,278 INFO L85 PathProgramCache]: Analyzing trace with hash -246764160, now seen corresponding path program 1 times [2022-11-23 06:55:02,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:55:02,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556319942] [2022-11-23 06:55:02,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:55:02,280 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 [2022-11-23 06:55:02,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:55:02,281 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:55:02,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:55:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:55:07,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-23 06:55:07,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:55:07,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 06:55:07,427 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 [2022-11-23 06:55:07,991 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 06:55:07,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-23 06:55:08,032 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 06:55:08,033 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 [2022-11-23 06:55:09,076 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 06:55:09,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-23 06:55:09,134 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-11-23 06:55:09,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 43 [2022-11-23 06:55:11,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:55:11,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-23 06:55:11,264 INFO L321 Elim1Store]: treesize reduction 66, result has 34.0 percent of original size [2022-11-23 06:55:11,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 59 [2022-11-23 06:55:13,752 INFO L321 Elim1Store]: treesize reduction 66, result has 34.0 percent of original size [2022-11-23 06:55:13,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 59 [2022-11-23 06:55:13,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-23 06:55:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:55:16,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-23 06:55:16,581 INFO L321 Elim1Store]: treesize reduction 18, result has 41.9 percent of original size [2022-11-23 06:55:16,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 31 [2022-11-23 06:55:17,167 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 [2022-11-23 06:55:17,195 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 06:55:17,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-23 06:55:21,905 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-23 06:55:21,905 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 3 case distinctions, treesize of input 39 treesize of output 50 [2022-11-23 06:55:21,962 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:55:21,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 56 [2022-11-23 06:55:27,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 06:55:27,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:55:27,890 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:55:27,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556319942] [2022-11-23 06:55:27,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556319942] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:55:27,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:55:27,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-11-23 06:55:27,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509901620] [2022-11-23 06:55:27,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:55:27,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-23 06:55:27,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:55:27,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-23 06:55:27,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2022-11-23 06:55:27,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:55:27,896 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:55:27,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 14.761904761904763) internal successors, (310), 22 states have internal predecessors, (310), 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) [2022-11-23 06:55:27,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:55:27,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:55:27,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:55:27,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:55:27,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:55:27,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:55:27,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:55:27,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:55:27,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:55:27,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:55:40,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:55:40,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:55:40,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:55:40,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:55:40,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:55:40,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:55:40,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:55:40,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:55:40,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:55:40,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:55:40,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:55:40,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:55:40,867 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:55:40,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:55:40,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1640512980, now seen corresponding path program 1 times [2022-11-23 06:55:40,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:55:40,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285303654] [2022-11-23 06:55:40,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:55:40,869 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 [2022-11-23 06:55:40,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:55:40,870 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:55:40,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:55:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:55:44,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 06:55:44,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:55:44,976 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 [2022-11-23 06:55:45,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 06:55:45,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:55:45,222 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:55:45,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285303654] [2022-11-23 06:55:45,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [285303654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:55:45,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:55:45,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 06:55:45,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960856758] [2022-11-23 06:55:45,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:55:45,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 06:55:45,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:55:45,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 06:55:45,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 06:55:45,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:55:45,229 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:55:45,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 52.166666666666664) internal successors, (313), 7 states have internal predecessors, (313), 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) [2022-11-23 06:55:45,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:55:45,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:55:45,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:55:45,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:55:45,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:55:45,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:55:45,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:55:45,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:55:45,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:55:45,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:55:45,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:55:54,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:55:54,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:55:54,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:55:54,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:55:54,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:55:54,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:55:54,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:55:54,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:55:54,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:55:54,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:55:54,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:55:54,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:55:54,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:55:54,355 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:55:54,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:55:54,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1640512981, now seen corresponding path program 1 times [2022-11-23 06:55:54,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:55:54,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13734605] [2022-11-23 06:55:54,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:55:54,357 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 [2022-11-23 06:55:54,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:55:54,359 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:55:54,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:55:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:55:58,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-23 06:55:58,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:55:58,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 06:55:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 06:55:59,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:55:59,175 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:55:59,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13734605] [2022-11-23 06:55:59,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [13734605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:55:59,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:55:59,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 06:55:59,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279918077] [2022-11-23 06:55:59,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:55:59,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 06:55:59,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:55:59,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 06:55:59,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-23 06:55:59,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:55:59,179 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:55:59,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 34.77777777777778) internal successors, (313), 10 states have internal predecessors, (313), 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) [2022-11-23 06:55:59,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:55:59,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:55:59,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:55:59,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:55:59,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:55:59,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:55:59,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:55:59,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:55:59,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:55:59,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:55:59,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:55:59,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:56:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:56:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:56:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:56:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:56:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:56:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:56:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:56:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:56:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:56:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:56:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:56:08,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:56:08,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:56:08,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:56:08,258 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:56:08,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:56:08,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1640512984, now seen corresponding path program 1 times [2022-11-23 06:56:08,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:56:08,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1813490863] [2022-11-23 06:56:08,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:56:08,260 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 [2022-11-23 06:56:08,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:56:08,261 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:56:08,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:56:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:56:13,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 1205 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-23 06:56:13,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:56:13,116 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 [2022-11-23 06:56:13,462 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 06:56:13,463 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 [2022-11-23 06:56:13,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 06:56:13,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:56:13,731 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:56:13,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1813490863] [2022-11-23 06:56:13,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1813490863] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:56:13,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:56:13,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 06:56:13,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193139416] [2022-11-23 06:56:13,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:56:13,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 06:56:13,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:56:13,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 06:56:13,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 06:56:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:56:13,735 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:56:13,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 52.166666666666664) internal successors, (313), 7 states have internal predecessors, (313), 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) [2022-11-23 06:56:13,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:56:13,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:56:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:56:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:56:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:56:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:56:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:56:13,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:56:13,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:56:13,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:56:13,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:56:13,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:56:13,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:56:21,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:56:21,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:56:21,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:56:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:56:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:56:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:56:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:56:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:56:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:56:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:56:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:56:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:56:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:56:21,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:56:22,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:56:22,165 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:56:22,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:56:22,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1640512985, now seen corresponding path program 1 times [2022-11-23 06:56:22,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:56:22,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [141755592] [2022-11-23 06:56:22,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:56:22,167 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 [2022-11-23 06:56:22,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:56:22,168 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:56:22,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:56:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:56:27,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 1205 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-23 06:56:27,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:56:27,248 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 [2022-11-23 06:56:27,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 06:56:28,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:56:28,280 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 12 treesize of output 14 [2022-11-23 06:56:28,289 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 06:56:28,290 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 [2022-11-23 06:56:28,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 06:56:28,822 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:56:28,822 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:56:28,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [141755592] [2022-11-23 06:56:28,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [141755592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:56:28,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:56:28,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 06:56:28,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243732627] [2022-11-23 06:56:28,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:56:28,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 06:56:28,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:56:28,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 06:56:28,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-23 06:56:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:56:28,825 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:56:28,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 31.3) internal successors, (313), 11 states have internal predecessors, (313), 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) [2022-11-23 06:56:28,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:56:28,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:56:28,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:56:28,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:56:28,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:56:28,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:56:28,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:56:28,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:56:28,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:56:28,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:56:28,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:56:28,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:56:28,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:56:28,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:56:38,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:56:38,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:56:38,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:56:38,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:56:38,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:56:38,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:56:38,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:56:38,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:56:38,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:56:38,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:56:38,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:56:38,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:56:38,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:56:38,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 06:56:38,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:56:38,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:56:38,572 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:56:38,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:56:38,572 INFO L85 PathProgramCache]: Analyzing trace with hash 97484814, now seen corresponding path program 1 times [2022-11-23 06:56:38,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:56:38,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350692969] [2022-11-23 06:56:38,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:56:38,573 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 [2022-11-23 06:56:38,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:56:38,575 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:56:38,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:56:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:56:42,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-23 06:56:42,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:56:43,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 06:56:43,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 06:56:43,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:56:45,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 06:56:45,639 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:56:45,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [350692969] [2022-11-23 06:56:45,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [350692969] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:56:45,639 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 06:56:45,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2022-11-23 06:56:45,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060092998] [2022-11-23 06:56:45,640 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 06:56:45,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-23 06:56:45,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:56:45,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-23 06:56:45,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-11-23 06:56:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:56:45,643 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:56:45,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 19.31578947368421) internal successors, (367), 20 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 06:56:45,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:56:45,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:56:45,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:56:45,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:56:45,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:56:45,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:56:45,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:56:45,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:56:45,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:56:45,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:56:45,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:56:45,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:56:45,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:56:45,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-23 06:56:45,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:56:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:56:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:56:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:56:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:56:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:56:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:56:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:56:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:56:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:56:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:56:51,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:56:51,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:56:51,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:56:51,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 06:56:51,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-23 06:56:51,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:56:51,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:56:51,552 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:56:51,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:56:51,552 INFO L85 PathProgramCache]: Analyzing trace with hash 97484818, now seen corresponding path program 1 times [2022-11-23 06:56:51,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:56:51,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805244481] [2022-11-23 06:56:51,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:56:51,554 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 [2022-11-23 06:56:51,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:56:51,555 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:56:51,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:56:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:56:56,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-23 06:56:56,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:56:56,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 06:56:56,840 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 [2022-11-23 06:56:57,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 06:56:57,912 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 12 treesize of output 14 [2022-11-23 06:56:57,922 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 06:56:57,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-23 06:56:58,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 06:56:58,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:57:07,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 06:57:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 06:57:07,782 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:57:07,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805244481] [2022-11-23 06:57:07,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1805244481] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:57:07,782 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 06:57:07,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2022-11-23 06:57:07,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334636707] [2022-11-23 06:57:07,782 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 06:57:07,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-23 06:57:07,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:57:07,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-23 06:57:07,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-11-23 06:57:07,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:57:07,786 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:57:07,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 19.047619047619047) internal successors, (400), 22 states have internal predecessors, (400), 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) [2022-11-23 06:57:07,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:57:07,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:57:07,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:57:07,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:57:07,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:57:07,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:57:07,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:57:07,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:57:07,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:57:07,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:57:07,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:57:07,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:57:07,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:57:07,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-23 06:57:07,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-23 06:57:07,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:57:25,523 WARN L233 SmtUtils]: Spent 16.16s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:57:40,095 WARN L233 SmtUtils]: Spent 13.29s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:57:42,185 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 [1] [2022-11-23 06:57:46,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:57:49,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:57:51,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:57:54,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:57:58,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:58:03,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:58:03,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:58:03,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:58:03,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:58:03,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:58:03,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:58:03,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:58:03,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:58:03,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:58:03,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:58:03,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:58:03,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:58:03,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:58:03,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 06:58:03,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:58:03,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:58:03,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:58:03,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:58:03,365 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:58:03,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:58:03,365 INFO L85 PathProgramCache]: Analyzing trace with hash -617543531, now seen corresponding path program 2 times [2022-11-23 06:58:03,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:58:03,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47421085] [2022-11-23 06:58:03,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 06:58:03,367 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 [2022-11-23 06:58:03,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:58:03,371 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:58:03,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:58:07,027 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 06:58:07,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:58:07,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-23 06:58:07,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:58:07,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 06:58:08,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1282 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 06:58:08,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:58:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1282 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 06:58:11,441 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:58:11,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [47421085] [2022-11-23 06:58:11,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [47421085] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:58:11,442 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 06:58:11,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2022-11-23 06:58:11,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350316568] [2022-11-23 06:58:11,442 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 06:58:11,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-23 06:58:11,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:58:11,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-23 06:58:11,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2022-11-23 06:58:11,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:58:11,446 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:58:11,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 15.4) internal successors, (385), 26 states have internal predecessors, (385), 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) [2022-11-23 06:58:11,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:58:11,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:58:11,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:58:11,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:58:11,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:58:11,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:58:11,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:58:11,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:58:11,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:58:11,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:58:11,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:58:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:58:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:58:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-23 06:58:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:58:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:58:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:58:19,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:58:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:58:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:58:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:58:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:58:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:58:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:58:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:58:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:58:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:58:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:58:19,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:58:19,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:58:19,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 06:58:19,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:58:19,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:58:19,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-23 06:58:19,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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)] Ended with exit code 0 [2022-11-23 06:58:19,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:58:19,555 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:58:19,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:58:19,556 INFO L85 PathProgramCache]: Analyzing trace with hash -617543527, now seen corresponding path program 2 times [2022-11-23 06:58:19,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:58:19,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392079667] [2022-11-23 06:58:19,558 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 06:58:19,558 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 [2022-11-23 06:58:19,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:58:19,559 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:58:19,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:58:22,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-23 06:58:22,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:58:22,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-23 06:58:22,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:58:22,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 06:58:22,250 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 [2022-11-23 06:58:23,636 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 06:58:23,636 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 [2022-11-23 06:58:23,645 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 12 treesize of output 14 [2022-11-23 06:58:26,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2022-11-23 06:58:26,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:58:26,197 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:58:26,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392079667] [2022-11-23 06:58:26,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392079667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:58:26,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:58:26,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-23 06:58:26,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580454893] [2022-11-23 06:58:26,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:58:26,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-23 06:58:26,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:58:26,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-23 06:58:26,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2022-11-23 06:58:26,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:58:26,201 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:58:26,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 20.933333333333334) internal successors, (314), 16 states have internal predecessors, (314), 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) [2022-11-23 06:58:26,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:58:26,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:58:26,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:58:26,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:58:26,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:58:26,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:58:26,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:58:26,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:58:26,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:58:26,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:58:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:58:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:58:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:58:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-23 06:58:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:58:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:58:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-23 06:58:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:58:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:58:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:58:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:58:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:58:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:58:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:58:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:58:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:58:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:58:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:58:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:58:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:58:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:58:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 06:58:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:58:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:58:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 06:58:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:58:30,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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)] Forceful destruction successful, exit code 0 [2022-11-23 06:58:30,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:58:30,955 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:58:30,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:58:30,956 INFO L85 PathProgramCache]: Analyzing trace with hash -240370507, now seen corresponding path program 3 times [2022-11-23 06:58:30,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:58:30,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923950021] [2022-11-23 06:58:30,958 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 06:58:30,958 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 [2022-11-23 06:58:30,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:58:30,959 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:58:30,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:58:42,685 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-23 06:58:42,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:58:42,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 1175 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-23 06:58:42,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:58:42,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 06:58:44,213 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 7 treesize of output 5 [2022-11-23 06:58:44,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 36 [2022-11-23 06:58:44,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1417 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 06:58:44,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:58:44,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 10 [2022-11-23 06:58:44,578 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 8 treesize of output 6 [2022-11-23 06:58:44,586 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-23 06:58:53,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1417 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 06:58:53,306 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:58:53,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923950021] [2022-11-23 06:58:53,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923950021] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:58:53,307 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 06:58:53,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 37 [2022-11-23 06:58:53,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484441506] [2022-11-23 06:58:53,307 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 06:58:53,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-11-23 06:58:53,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:58:53,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-23 06:58:53,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1191, Unknown=0, NotChecked=0, Total=1406 [2022-11-23 06:58:53,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:58:53,311 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:58:53,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 11.378378378378379) internal successors, (421), 38 states have internal predecessors, (421), 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) [2022-11-23 06:58:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:58:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:58:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:58:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:58:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:58:53,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:58:53,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:58:53,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:58:53,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:58:53,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:58:53,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:58:53,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:58:53,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:58:53,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-23 06:58:53,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:58:53,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:58:53,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-23 06:58:53,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:58:53,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:59:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:59:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:59:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:59:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:59:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:59:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:59:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:59:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:59:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:59:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:59:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:59:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:59:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:59:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 06:59:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:59:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:59:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 06:59:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:59:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-23 06:59:21,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:59:21,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:59:21,471 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:59:21,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:59:21,471 INFO L85 PathProgramCache]: Analyzing trace with hash -774858802, now seen corresponding path program 4 times [2022-11-23 06:59:21,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:59:21,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792259445] [2022-11-23 06:59:21,473 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 06:59:21,473 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 [2022-11-23 06:59:21,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:59:21,474 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:59:21,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:59:26,768 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 06:59:26,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:59:26,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 1286 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-23 06:59:26,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:59:27,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1525 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 06:59:27,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:59:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1525 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 06:59:28,010 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:59:28,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792259445] [2022-11-23 06:59:28,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1792259445] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:59:28,011 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 06:59:28,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2022-11-23 06:59:28,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902410141] [2022-11-23 06:59:28,012 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 06:59:28,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-23 06:59:28,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:59:28,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-23 06:59:28,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=708, Unknown=0, NotChecked=0, Total=870 [2022-11-23 06:59:28,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:59:28,016 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:59:28,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 13.620689655172415) internal successors, (395), 30 states have internal predecessors, (395), 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) [2022-11-23 06:59:28,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:59:28,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:59:28,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:59:28,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:59:28,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:59:28,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:59:28,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:59:28,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:59:28,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:59:28,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:59:28,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:59:28,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:59:28,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:59:28,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-23 06:59:28,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:59:28,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:59:28,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-23 06:59:28,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:59:28,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-23 06:59:28,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:59:55,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:59:55,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:59:55,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 06:59:55,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:59:55,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:59:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 06:59:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 06:59:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 06:59:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:59:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 06:59:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 06:59:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 06:59:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 06:59:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 06:59:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:59:55,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 06:59:55,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 06:59:55,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 06:59:55,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-23 06:59:55,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 06:59:55,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:59:55,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:59:55,841 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err52REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 06:59:55,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:59:55,842 INFO L85 PathProgramCache]: Analyzing trace with hash 234356067, now seen corresponding path program 1 times [2022-11-23 06:59:55,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:59:55,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455695456] [2022-11-23 06:59:55,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:59:55,843 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 [2022-11-23 06:59:55,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:59:55,844 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:59:55,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:00:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 07:00:01,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-23 07:00:01,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 07:00:01,715 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 [2022-11-23 07:00:01,927 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 07:00:01,927 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 [2022-11-23 07:00:02,086 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 07:00:02,087 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 [2022-11-23 07:00:02,244 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 07:00:02,244 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 [2022-11-23 07:00:02,533 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 07:00:02,533 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 14 treesize of output 20 [2022-11-23 07:00:02,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 07:00:02,857 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 07:00:02,857 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 07:00:02,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455695456] [2022-11-23 07:00:02,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [455695456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 07:00:02,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 07:00:02,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 07:00:02,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567130537] [2022-11-23 07:00:02,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 07:00:02,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 07:00:02,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 07:00:02,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 07:00:02,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-23 07:00:02,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:00:02,861 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 07:00:02,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 44.857142857142854) internal successors, (314), 8 states have internal predecessors, (314), 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) [2022-11-23 07:00:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:00:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:00:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:00:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:00:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:00:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:00:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:00:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:00:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:00:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:00:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:00:02,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:00:02,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:00:02,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:00:02,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:00:02,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:00:02,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:00:02,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:00:02,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:00:02,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:00:02,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:00:09,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:00:09,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:00:09,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:00:09,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:00:09,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:00:09,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:00:09,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:00:09,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:00:09,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:00:09,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:00:09,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:00:09,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:00:09,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:00:09,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:00:09,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:00:09,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:00:09,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:00:09,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:00:09,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:00:09,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:00:09,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:00:09,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:00:09,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:00:09,707 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err53REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 07:00:09,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 07:00:09,708 INFO L85 PathProgramCache]: Analyzing trace with hash 234356068, now seen corresponding path program 1 times [2022-11-23 07:00:09,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 07:00:09,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412460631] [2022-11-23 07:00:09,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 07:00:09,710 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 [2022-11-23 07:00:09,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 07:00:09,711 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 07:00:09,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:00:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 07:00:15,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-23 07:00:15,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 07:00:15,539 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 [2022-11-23 07:00:15,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 07:00:16,217 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 07:00:16,218 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 [2022-11-23 07:00:16,227 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 12 treesize of output 14 [2022-11-23 07:00:16,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 07:00:16,722 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 12 treesize of output 14 [2022-11-23 07:00:16,747 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 07:00:16,747 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 [2022-11-23 07:00:17,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 07:00:17,274 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 12 treesize of output 14 [2022-11-23 07:00:17,286 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 07:00:17,286 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 [2022-11-23 07:00:18,150 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 07:00:18,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-23 07:00:20,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 07:00:20,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 07:00:20,073 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 07:00:20,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412460631] [2022-11-23 07:00:20,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412460631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 07:00:20,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 07:00:20,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-23 07:00:20,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957637419] [2022-11-23 07:00:20,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 07:00:20,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-23 07:00:20,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 07:00:20,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-23 07:00:20,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-23 07:00:20,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:00:20,077 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 07:00:20,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 24.153846153846153) internal successors, (314), 14 states have internal predecessors, (314), 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) [2022-11-23 07:00:20,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:00:20,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:00:20,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:00:20,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:00:20,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:00:20,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:00:20,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:00:20,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:00:20,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:00:20,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:00:20,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:00:20,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:00:20,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:00:20,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:00:20,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:00:20,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:00:20,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:00:20,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:00:20,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:00:20,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:00:20,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:00:20,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:00:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:00:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:00:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:00:28,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:00:28,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:00:28,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:00:28,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:00:28,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:00:28,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:00:28,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:00:28,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:00:28,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:00:28,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:00:28,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:00:28,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:00:28,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:00:28,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:00:28,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:00:28,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:00:28,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:00:28,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:00:28,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:00:28,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:00:28,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:00:28,561 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err58REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 07:00:28,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 07:00:28,562 INFO L85 PathProgramCache]: Analyzing trace with hash 234356073, now seen corresponding path program 1 times [2022-11-23 07:00:28,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 07:00:28,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401745703] [2022-11-23 07:00:28,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 07:00:28,563 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 [2022-11-23 07:00:28,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 07:00:28,565 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 07:00:28,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:00:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 07:00:35,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-23 07:00:35,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 07:00:35,025 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 [2022-11-23 07:00:35,207 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 07:00:35,208 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 [2022-11-23 07:00:35,352 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 07:00:35,352 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 [2022-11-23 07:00:35,500 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 07:00:35,500 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 [2022-11-23 07:00:35,651 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 07:00:35,651 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 [2022-11-23 07:00:35,899 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 07:00:35,899 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 14 treesize of output 20 [2022-11-23 07:00:36,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 07:00:36,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 07:00:36,205 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 07:00:36,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401745703] [2022-11-23 07:00:36,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [401745703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 07:00:36,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 07:00:36,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 07:00:36,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634108611] [2022-11-23 07:00:36,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 07:00:36,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 07:00:36,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 07:00:36,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 07:00:36,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-23 07:00:36,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:00:36,208 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 07:00:36,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 44.857142857142854) internal successors, (314), 8 states have internal predecessors, (314), 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) [2022-11-23 07:00:36,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:00:36,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:00:36,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:00:36,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:00:36,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:00:36,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:00:36,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:00:36,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:00:36,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:00:36,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:00:36,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:00:36,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:00:36,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:00:36,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:00:36,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:00:36,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:00:36,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:00:36,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:00:36,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:00:36,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:00:36,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:00:36,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:00:36,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:00:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:00:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:00:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:00:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:00:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:00:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:00:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:00:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:00:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:00:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:00:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:00:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:00:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:00:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:00:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:00:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:00:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:00:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:00:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:00:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:00:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:00:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:00:42,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:00:42,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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)] Ended with exit code 0 [2022-11-23 07:00:42,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:00:42,695 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err59REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 07:00:42,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 07:00:42,696 INFO L85 PathProgramCache]: Analyzing trace with hash 234356074, now seen corresponding path program 1 times [2022-11-23 07:00:42,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 07:00:42,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1760874291] [2022-11-23 07:00:42,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 07:00:42,698 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 [2022-11-23 07:00:42,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 07:00:42,699 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 07:00:42,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:00:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 07:00:48,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-23 07:00:48,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 07:00:48,523 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 [2022-11-23 07:00:48,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 07:00:49,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 07:00:49,040 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 12 treesize of output 14 [2022-11-23 07:00:49,065 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 07:00:49,065 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 [2022-11-23 07:00:49,519 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 07:00:49,519 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 [2022-11-23 07:00:49,526 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 12 treesize of output 14 [2022-11-23 07:00:50,021 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 07:00:50,021 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 [2022-11-23 07:00:50,030 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 12 treesize of output 14 [2022-11-23 07:00:50,693 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 07:00:50,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-23 07:00:50,721 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 07:00:50,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-23 07:00:52,168 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-23 07:00:52,168 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 3 case distinctions, treesize of input 17 treesize of output 30 [2022-11-23 07:00:54,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 07:00:54,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 07:00:54,458 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 07:00:54,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1760874291] [2022-11-23 07:00:54,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1760874291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 07:00:54,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 07:00:54,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-11-23 07:00:54,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703556985] [2022-11-23 07:00:54,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 07:00:54,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-23 07:00:54,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 07:00:54,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-23 07:00:54,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-11-23 07:00:54,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:00:54,462 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 07:00:54,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 19.625) internal successors, (314), 17 states have internal predecessors, (314), 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) [2022-11-23 07:00:54,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:00:54,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:00:54,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:00:54,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:00:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:00:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:00:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:00:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:00:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:00:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:00:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:00:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:00:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:00:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:00:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:00:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:00:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:00:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:00:54,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:00:54,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:00:54,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:00:54,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:00:54,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:00:54,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:01:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:01:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:01:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:01:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:01:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:01:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:01:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:01:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:01:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:01:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:01:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:01:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:01:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:01:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:01:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:01:01,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:01:01,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:01,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:01,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:01,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:01,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:01,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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)] Ended with exit code 0 [2022-11-23 07:01:02,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:01:02,094 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err64REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 07:01:02,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 07:01:02,094 INFO L85 PathProgramCache]: Analyzing trace with hash 234356079, now seen corresponding path program 1 times [2022-11-23 07:01:02,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 07:01:02,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1740082719] [2022-11-23 07:01:02,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 07:01:02,096 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 [2022-11-23 07:01:02,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 07:01:02,097 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 07:01:02,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:01:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 07:01:07,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 07:01:07,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 07:01:07,411 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 [2022-11-23 07:01:07,582 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 07:01:07,582 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 [2022-11-23 07:01:07,824 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 07:01:07,824 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 14 treesize of output 20 [2022-11-23 07:01:08,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 07:01:08,082 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 07:01:08,082 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 07:01:08,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1740082719] [2022-11-23 07:01:08,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1740082719] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 07:01:08,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 07:01:08,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 07:01:08,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040193519] [2022-11-23 07:01:08,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 07:01:08,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 07:01:08,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 07:01:08,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 07:01:08,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-23 07:01:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:01:08,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 07:01:08,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 44.857142857142854) internal successors, (314), 8 states have internal predecessors, (314), 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) [2022-11-23 07:01:08,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:01:08,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:01:08,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:01:08,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:01:08,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:08,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:01:08,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:01:08,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:01:08,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:01:08,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:01:08,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:01:08,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:01:08,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:08,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:01:08,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:08,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:01:08,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:01:08,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:01:08,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:01:08,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:08,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:08,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:08,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:08,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:08,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:01:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:01:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:01:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:01:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:01:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:01:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:01:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:01:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:01:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:01:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:01:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:01:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:01:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:01:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:01:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:01:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:01:14,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:14,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:14,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:14,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:14,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:14,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:14,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:01:14,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:01:14,802 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err65REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 07:01:14,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 07:01:14,802 INFO L85 PathProgramCache]: Analyzing trace with hash 234356080, now seen corresponding path program 1 times [2022-11-23 07:01:14,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 07:01:14,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494603611] [2022-11-23 07:01:14,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 07:01:14,804 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 [2022-11-23 07:01:14,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 07:01:14,804 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 07:01:14,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:01:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 07:01:20,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-23 07:01:20,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 07:01:20,121 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 [2022-11-23 07:01:20,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 07:01:20,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 07:01:20,586 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 12 treesize of output 14 [2022-11-23 07:01:20,598 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 07:01:20,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-23 07:01:21,219 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 07:01:21,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-23 07:01:22,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 07:01:22,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 07:01:22,729 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 07:01:22,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494603611] [2022-11-23 07:01:22,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1494603611] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 07:01:22,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 07:01:22,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-23 07:01:22,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279817874] [2022-11-23 07:01:22,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 07:01:22,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-23 07:01:22,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 07:01:22,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-23 07:01:22,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-23 07:01:22,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:01:22,732 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 07:01:22,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 24.153846153846153) internal successors, (314), 14 states have internal predecessors, (314), 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) [2022-11-23 07:01:22,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:01:22,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:01:22,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:01:22,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:01:22,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:22,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:01:22,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:01:22,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:01:22,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:01:22,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:01:22,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:01:22,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:01:22,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:22,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:01:22,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:22,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:01:22,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:01:22,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:01:22,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:01:22,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:22,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:22,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:22,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:22,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:22,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:22,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:01:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:01:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:01:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:01:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:01:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:01:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:01:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:01:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:01:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:01:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:01:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:01:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:01:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:01:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:01:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:01:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:01:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:29,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:29,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:01:29,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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)] Forceful destruction successful, exit code 0 [2022-11-23 07:01:30,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:01:30,075 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err66REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 07:01:30,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 07:01:30,075 INFO L85 PathProgramCache]: Analyzing trace with hash 234356081, now seen corresponding path program 1 times [2022-11-23 07:01:30,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 07:01:30,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439013010] [2022-11-23 07:01:30,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 07:01:30,077 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 [2022-11-23 07:01:30,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 07:01:30,078 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 07:01:30,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 (29)] Waiting until timeout for monitored process [2022-11-23 07:01:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 07:01:35,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-23 07:01:35,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 07:01:35,618 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 6 treesize of output 7 [2022-11-23 07:01:35,763 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 07:01:35,764 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 [2022-11-23 07:01:36,296 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-11-23 07:01:36,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 43 [2022-11-23 07:01:37,302 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-11-23 07:01:37,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 32 [2022-11-23 07:01:38,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 07:01:38,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 07:01:38,414 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 07:01:38,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [439013010] [2022-11-23 07:01:38,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [439013010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 07:01:38,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 07:01:38,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 07:01:38,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588012875] [2022-11-23 07:01:38,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 07:01:38,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 07:01:38,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 07:01:38,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 07:01:38,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-23 07:01:38,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:01:38,417 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 07:01:38,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 34.888888888888886) internal successors, (314), 10 states have internal predecessors, (314), 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) [2022-11-23 07:01:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:01:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:01:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:01:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:01:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:01:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:01:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:01:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:01:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:01:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:01:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:01:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:38,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:01:38,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:38,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:01:38,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:01:38,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:01:38,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:01:38,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:38,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:38,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:38,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:38,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:01:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:01:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:01:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:01:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:01:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:01:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:01:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:01:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:01:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:01:45,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:01:45,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:01:45,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:01:45,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:45,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:01:45,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:45,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:01:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:01:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:01:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:01:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:01:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:45,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 (29)] Forceful destruction successful, exit code 0 [2022-11-23 07:01:45,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:01:45,322 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread2Err67REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 07:01:45,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 07:01:45,323 INFO L85 PathProgramCache]: Analyzing trace with hash 234356082, now seen corresponding path program 1 times [2022-11-23 07:01:45,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 07:01:45,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109552452] [2022-11-23 07:01:45,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 07:01:45,324 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 [2022-11-23 07:01:45,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 07:01:45,325 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 07:01:45,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 (30)] Waiting until timeout for monitored process [2022-11-23 07:01:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 07:01:50,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-23 07:01:50,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 07:01:50,768 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 6 treesize of output 5 [2022-11-23 07:01:50,773 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 [2022-11-23 07:01:51,254 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 07:01:51,254 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 [2022-11-23 07:01:51,259 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 12 treesize of output 14 [2022-11-23 07:01:51,773 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 07:01:51,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-23 07:01:51,796 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 07:01:51,796 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 [2022-11-23 07:01:52,929 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-23 07:01:52,929 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 3 case distinctions, treesize of input 17 treesize of output 30 [2022-11-23 07:01:55,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 07:01:55,010 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 07:01:55,010 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 07:01:55,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109552452] [2022-11-23 07:01:55,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109552452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 07:01:55,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 07:01:55,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-11-23 07:01:55,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433995946] [2022-11-23 07:01:55,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 07:01:55,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-23 07:01:55,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 07:01:55,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-23 07:01:55,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-11-23 07:01:55,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:01:55,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 07:01:55,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 19.625) internal successors, (314), 17 states have internal predecessors, (314), 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) [2022-11-23 07:01:55,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:01:55,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:01:55,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:01:55,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:01:55,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:55,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:01:55,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:01:55,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:01:55,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:01:55,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:01:55,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:01:55,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:01:55,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:55,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:01:55,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:55,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:01:55,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:01:55,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:01:55,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:01:55,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:55,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:55,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:55,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:55,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:01:55,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:01:55,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:01:55,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:01:55,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:02:19,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:02:19,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:02:19,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:02:19,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:02:19,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:02:19,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:02:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:02:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:02:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:02:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:02:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:02:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:02:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:02:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:02:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:02:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:02:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:02:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:02:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:02:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:02:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:02:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:02:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:02:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:02:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:02:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:02:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:02:19,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 (30)] Forceful destruction successful, exit code 0 [2022-11-23 07:02:19,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:02:19,239 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err71REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 07:02:19,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 07:02:19,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1907232349, now seen corresponding path program 1 times [2022-11-23 07:02:19,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 07:02:19,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493502965] [2022-11-23 07:02:19,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 07:02:19,241 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 [2022-11-23 07:02:19,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 07:02:19,242 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 07:02:19,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 (31)] Waiting until timeout for monitored process [2022-11-23 07:02:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 07:02:23,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-23 07:02:23,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 07:02:23,628 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 5 [2022-11-23 07:02:24,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2022-11-23 07:02:24,216 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 07:02:24,216 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 07:02:24,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493502965] [2022-11-23 07:02:24,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1493502965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 07:02:24,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 07:02:24,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 07:02:24,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524554889] [2022-11-23 07:02:24,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 07:02:24,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 07:02:24,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 07:02:24,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 07:02:24,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-23 07:02:24,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:02:24,219 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 07:02:24,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 35.22222222222222) internal successors, (317), 10 states have internal predecessors, (317), 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) [2022-11-23 07:02:24,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:02:24,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:02:24,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:02:24,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:02:24,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:02:24,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:02:24,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:02:24,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:02:24,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:02:24,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:02:24,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:02:24,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:02:24,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:02:24,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:02:24,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:02:24,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:02:24,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:02:24,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:02:24,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:02:24,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:02:24,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:02:24,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:02:24,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:02:24,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:02:24,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:02:24,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:02:24,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:02:24,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:02:24,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:05:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:05:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:05:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:05:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:05:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:05:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-23 07:05:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 07:05:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 07:05:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:05:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 07:05:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 07:05:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:05:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:05:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 07:05:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:05:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 07:05:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 07:05:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 07:05:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-23 07:05:15,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:05:15,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:05:15,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:05:15,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:05:15,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:05:15,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 07:05:15,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 07:05:15,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 07:05:15,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 07:05:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 07:05:15,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (175 of 176 remaining) [2022-11-23 07:05:15,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (174 of 176 remaining) [2022-11-23 07:05:15,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (173 of 176 remaining) [2022-11-23 07:05:15,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (172 of 176 remaining) [2022-11-23 07:05:15,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (171 of 176 remaining) [2022-11-23 07:05:15,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (170 of 176 remaining) [2022-11-23 07:05:15,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (169 of 176 remaining) [2022-11-23 07:05:15,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (168 of 176 remaining) [2022-11-23 07:05:15,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (167 of 176 remaining) [2022-11-23 07:05:15,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (166 of 176 remaining) [2022-11-23 07:05:15,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (165 of 176 remaining) [2022-11-23 07:05:15,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (164 of 176 remaining) [2022-11-23 07:05:15,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (163 of 176 remaining) [2022-11-23 07:05:15,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (162 of 176 remaining) [2022-11-23 07:05:15,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (161 of 176 remaining) [2022-11-23 07:05:15,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (160 of 176 remaining) [2022-11-23 07:05:15,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (159 of 176 remaining) [2022-11-23 07:05:15,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (158 of 176 remaining) [2022-11-23 07:05:15,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (157 of 176 remaining) [2022-11-23 07:05:15,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (156 of 176 remaining) [2022-11-23 07:05:15,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (155 of 176 remaining) [2022-11-23 07:05:15,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (154 of 176 remaining) [2022-11-23 07:05:15,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (153 of 176 remaining) [2022-11-23 07:05:15,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (152 of 176 remaining) [2022-11-23 07:05:15,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (151 of 176 remaining) [2022-11-23 07:05:15,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (150 of 176 remaining) [2022-11-23 07:05:15,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (149 of 176 remaining) [2022-11-23 07:05:15,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (148 of 176 remaining) [2022-11-23 07:05:15,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (147 of 176 remaining) [2022-11-23 07:05:15,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (146 of 176 remaining) [2022-11-23 07:05:15,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (145 of 176 remaining) [2022-11-23 07:05:15,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (144 of 176 remaining) [2022-11-23 07:05:15,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (143 of 176 remaining) [2022-11-23 07:05:15,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (142 of 176 remaining) [2022-11-23 07:05:15,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (141 of 176 remaining) [2022-11-23 07:05:15,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (140 of 176 remaining) [2022-11-23 07:05:15,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (139 of 176 remaining) [2022-11-23 07:05:15,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (138 of 176 remaining) [2022-11-23 07:05:15,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (137 of 176 remaining) [2022-11-23 07:05:15,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (136 of 176 remaining) [2022-11-23 07:05:15,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (135 of 176 remaining) [2022-11-23 07:05:15,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (134 of 176 remaining) [2022-11-23 07:05:15,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (133 of 176 remaining) [2022-11-23 07:05:15,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (132 of 176 remaining) [2022-11-23 07:05:15,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (131 of 176 remaining) [2022-11-23 07:05:15,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (130 of 176 remaining) [2022-11-23 07:05:15,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (129 of 176 remaining) [2022-11-23 07:05:15,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (128 of 176 remaining) [2022-11-23 07:05:15,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (127 of 176 remaining) [2022-11-23 07:05:15,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (126 of 176 remaining) [2022-11-23 07:05:15,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50REQUIRES_VIOLATIONMEMORY_DEREFERENCE (125 of 176 remaining) [2022-11-23 07:05:15,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51REQUIRES_VIOLATIONMEMORY_DEREFERENCE (124 of 176 remaining) [2022-11-23 07:05:15,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (123 of 176 remaining) [2022-11-23 07:05:15,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (122 of 176 remaining) [2022-11-23 07:05:15,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (121 of 176 remaining) [2022-11-23 07:05:15,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (120 of 176 remaining) [2022-11-23 07:05:15,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (119 of 176 remaining) [2022-11-23 07:05:15,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (118 of 176 remaining) [2022-11-23 07:05:15,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (117 of 176 remaining) [2022-11-23 07:05:15,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (116 of 176 remaining) [2022-11-23 07:05:15,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (115 of 176 remaining) [2022-11-23 07:05:15,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (114 of 176 remaining) [2022-11-23 07:05:15,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (113 of 176 remaining) [2022-11-23 07:05:15,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err63REQUIRES_VIOLATIONMEMORY_DEREFERENCE (112 of 176 remaining) [2022-11-23 07:05:15,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (111 of 176 remaining) [2022-11-23 07:05:15,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err65REQUIRES_VIOLATIONMEMORY_DEREFERENCE (110 of 176 remaining) [2022-11-23 07:05:15,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err66REQUIRES_VIOLATIONMEMORY_DEREFERENCE (109 of 176 remaining) [2022-11-23 07:05:15,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err67REQUIRES_VIOLATIONMEMORY_DEREFERENCE (108 of 176 remaining) [2022-11-23 07:05:15,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err100REQUIRES_VIOLATIONMEMORY_DEREFERENCE (107 of 176 remaining) [2022-11-23 07:05:15,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err101REQUIRES_VIOLATIONMEMORY_DEREFERENCE (106 of 176 remaining) [2022-11-23 07:05:15,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err102REQUIRES_VIOLATIONMEMORY_DEREFERENCE (105 of 176 remaining) [2022-11-23 07:05:15,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err103REQUIRES_VIOLATIONMEMORY_DEREFERENCE (104 of 176 remaining) [2022-11-23 07:05:15,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err104REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 176 remaining) [2022-11-23 07:05:15,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err105REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 176 remaining) [2022-11-23 07:05:15,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err106REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 176 remaining) [2022-11-23 07:05:15,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err107REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 176 remaining) [2022-11-23 07:05:15,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err108REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 176 remaining) [2022-11-23 07:05:15,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err109REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 176 remaining) [2022-11-23 07:05:15,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err110REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 176 remaining) [2022-11-23 07:05:15,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err111REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 176 remaining) [2022-11-23 07:05:15,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err112REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 176 remaining) [2022-11-23 07:05:15,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err113REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 176 remaining) [2022-11-23 07:05:15,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err114REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 176 remaining) [2022-11-23 07:05:15,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err115REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 176 remaining) [2022-11-23 07:05:15,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err116REQUIRES_VIOLATIONMEMORY_DEREFERENCE (91 of 176 remaining) [2022-11-23 07:05:15,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err117REQUIRES_VIOLATIONMEMORY_DEREFERENCE (90 of 176 remaining) [2022-11-23 07:05:15,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err118REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 176 remaining) [2022-11-23 07:05:15,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err119REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 176 remaining) [2022-11-23 07:05:15,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err120REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 176 remaining) [2022-11-23 07:05:15,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err121REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 176 remaining) [2022-11-23 07:05:15,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err122REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 176 remaining) [2022-11-23 07:05:15,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err123REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 176 remaining) [2022-11-23 07:05:15,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err124REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 176 remaining) [2022-11-23 07:05:15,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err125REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 176 remaining) [2022-11-23 07:05:15,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err126REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 176 remaining) [2022-11-23 07:05:15,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err127REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 176 remaining) [2022-11-23 07:05:15,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err68REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 176 remaining) [2022-11-23 07:05:15,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err69REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 176 remaining) [2022-11-23 07:05:15,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err70REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 176 remaining) [2022-11-23 07:05:15,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err71REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 176 remaining) [2022-11-23 07:05:15,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err72REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 176 remaining) [2022-11-23 07:05:15,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err73REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 176 remaining) [2022-11-23 07:05:15,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err74REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 176 remaining) [2022-11-23 07:05:15,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err75REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 176 remaining) [2022-11-23 07:05:15,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err76REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 176 remaining) [2022-11-23 07:05:15,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err77REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 176 remaining) [2022-11-23 07:05:15,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err78REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 176 remaining) [2022-11-23 07:05:15,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err79REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 176 remaining) [2022-11-23 07:05:15,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err80REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 176 remaining) [2022-11-23 07:05:15,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err81REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 176 remaining) [2022-11-23 07:05:15,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err82REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 176 remaining) [2022-11-23 07:05:15,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err83REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 176 remaining) [2022-11-23 07:05:15,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err84REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 176 remaining) [2022-11-23 07:05:15,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err85REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 176 remaining) [2022-11-23 07:05:15,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err86REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 176 remaining) [2022-11-23 07:05:15,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err87REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 176 remaining) [2022-11-23 07:05:15,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err88REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 176 remaining) [2022-11-23 07:05:15,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err89REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 176 remaining) [2022-11-23 07:05:15,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err90REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 176 remaining) [2022-11-23 07:05:15,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err91REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 176 remaining) [2022-11-23 07:05:15,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err92REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 176 remaining) [2022-11-23 07:05:15,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err93REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 176 remaining) [2022-11-23 07:05:15,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err94REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 176 remaining) [2022-11-23 07:05:15,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err95REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 176 remaining) [2022-11-23 07:05:15,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err96REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 176 remaining) [2022-11-23 07:05:15,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err97REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 176 remaining) [2022-11-23 07:05:15,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err98REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 176 remaining) [2022-11-23 07:05:15,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err99REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 176 remaining) [2022-11-23 07:05:15,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err128REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 176 remaining) [2022-11-23 07:05:15,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err129REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 176 remaining) [2022-11-23 07:05:15,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err130REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 176 remaining) [2022-11-23 07:05:15,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err131REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 176 remaining) [2022-11-23 07:05:15,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err132REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 176 remaining) [2022-11-23 07:05:15,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err133REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 176 remaining) [2022-11-23 07:05:15,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err134REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 176 remaining) [2022-11-23 07:05:15,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err135REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 176 remaining) [2022-11-23 07:05:15,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err136REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 176 remaining) [2022-11-23 07:05:15,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err137REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 176 remaining) [2022-11-23 07:05:15,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err138REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 176 remaining) [2022-11-23 07:05:15,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err139REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 176 remaining) [2022-11-23 07:05:15,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err140REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 176 remaining) [2022-11-23 07:05:15,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err141REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 176 remaining) [2022-11-23 07:05:15,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err142REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 176 remaining) [2022-11-23 07:05:15,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err143REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 176 remaining) [2022-11-23 07:05:15,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err144REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 176 remaining) [2022-11-23 07:05:15,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err145REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 176 remaining) [2022-11-23 07:05:15,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err146REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 176 remaining) [2022-11-23 07:05:15,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err147REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 176 remaining) [2022-11-23 07:05:15,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err148REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 176 remaining) [2022-11-23 07:05:15,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err149REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 176 remaining) [2022-11-23 07:05:15,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err150REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 176 remaining) [2022-11-23 07:05:15,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err151REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 176 remaining) [2022-11-23 07:05:15,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err152REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 176 remaining) [2022-11-23 07:05:15,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err153REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 176 remaining) [2022-11-23 07:05:15,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err154REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 176 remaining) [2022-11-23 07:05:15,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err155REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 176 remaining) [2022-11-23 07:05:15,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err156REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 176 remaining) [2022-11-23 07:05:15,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err157REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 176 remaining) [2022-11-23 07:05:15,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err158REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 176 remaining) [2022-11-23 07:05:15,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err159REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 176 remaining) [2022-11-23 07:05:15,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err160REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 176 remaining) [2022-11-23 07:05:15,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err161REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 176 remaining) [2022-11-23 07:05:15,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err162REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 176 remaining) [2022-11-23 07:05:15,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err163REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 176 remaining) [2022-11-23 07:05:15,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err164REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 176 remaining) [2022-11-23 07:05:15,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err165REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 176 remaining) [2022-11-23 07:05:15,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err166REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 176 remaining) [2022-11-23 07:05:15,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err167REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 176 remaining) [2022-11-23 07:05:15,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err168REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 176 remaining) [2022-11-23 07:05:15,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err169REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 176 remaining) [2022-11-23 07:05:15,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err170REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 176 remaining) [2022-11-23 07:05:15,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err171REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 176 remaining) [2022-11-23 07:05:15,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err172REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 176 remaining) [2022-11-23 07:05:15,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err173REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 176 remaining) [2022-11-23 07:05:15,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err174REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 176 remaining) [2022-11-23 07:05:15,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err175REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 176 remaining) [2022-11-23 07:05:15,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 (31)] Forceful destruction successful, exit code 0 [2022-11-23 07:05:15,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:05:15,986 INFO L444 BasicCegarLoop]: Path program histogram: [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 07:05:15,989 INFO L307 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2022-11-23 07:05:16,001 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 07:05:16,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-23 07:05:16,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 07:05:16,003 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-23 07:05:16,011 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-23 07:05:16,011 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2022-11-23 07:05:16,012 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;@5d5d144a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 07:05:16,012 INFO L358 AbstractCegarLoop]: Starting to check reachability of 176 error locations. [2022-11-23 07:05:16,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (32)] Waiting until timeout for monitored process [2022-11-23 07:05:28,167 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 07:05:28,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 07:05:28,167 INFO L85 PathProgramCache]: Analyzing trace with hash 821803178, now seen corresponding path program 1 times [2022-11-23 07:05:28,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 07:05:28,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523865288] [2022-11-23 07:05:28,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 07:05:28,168 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 [2022-11-23 07:05:28,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 07:05:28,169 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 07:05:28,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 (33)] Waiting until timeout for monitored process [2022-11-23 07:05:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 07:05:30,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 07:05:30,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 07:05:30,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 07:05:30,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 07:05:30,667 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 07:05:30,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [523865288] [2022-11-23 07:05:30,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [523865288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 07:05:30,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 07:05:30,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 07:05:30,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375612245] [2022-11-23 07:05:30,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 07:05:30,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 07:05:30,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 07:05:30,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 07:05:30,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 07:05:30,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:05:30,669 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 07:05:30,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 136.0) internal successors, (272), 2 states have internal predecessors, (272), 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) [2022-11-23 07:05:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:05:30,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:05:30,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 (33)] Forceful destruction successful, exit code 0 [2022-11-23 07:05:30,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:05:30,936 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 07:05:30,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 07:05:30,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1969346371, now seen corresponding path program 1 times [2022-11-23 07:05:30,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 07:05:30,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309815287] [2022-11-23 07:05:30,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 07:05:30,937 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 [2022-11-23 07:05:30,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 07:05:30,939 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 07:05:30,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 (34)] Waiting until timeout for monitored process [2022-11-23 07:05:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 07:05:33,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 07:05:33,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 07:05:33,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 07:05:33,519 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 07:05:33,519 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 07:05:33,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1309815287] [2022-11-23 07:05:33,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1309815287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 07:05:33,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 07:05:33,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 07:05:33,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644708199] [2022-11-23 07:05:33,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 07:05:33,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 07:05:33,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 07:05:33,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 07:05:33,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 07:05:33,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:05:33,525 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 07:05:33,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.2) internal successors, (256), 5 states have internal predecessors, (256), 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) [2022-11-23 07:05:33,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:05:33,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:05:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 07:05:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 07:05:33,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 (34)] Forceful destruction successful, exit code 0 [2022-11-23 07:05:34,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 07:05:34,035 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2022-11-23 07:05:34,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 07:05:34,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1986561574, now seen corresponding path program 1 times [2022-11-23 07:05:34,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 07:05:34,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62689892] [2022-11-23 07:05:34,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 07:05:34,036 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 [2022-11-23 07:05:34,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 07:05:34,038 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 07:05:34,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a940eae-2aa7-43b5-9623-aa426c785750/bin/ugemcutter-1C6z4D84am/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 (35)] Waiting until timeout for monitored process [2022-11-23 07:05:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 07:05:36,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 07:05:36,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 07:05:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 07:05:36,643 INFO L328 TraceCheckSpWp]: Computing backward predicates...