./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/array-eq-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/array-eq-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w --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 23bd321b64eb98f17ff91aefc669d9f5b78966b876ea50803bd27f8c9b624679 --- 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-2329fc7 [2022-12-13 09:02:46,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:02:46,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:02:46,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:02:46,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:02:46,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:02:46,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:02:46,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:02:46,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:02:46,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:02:46,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:02:46,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:02:46,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:02:46,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:02:46,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:02:46,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:02:46,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:02:46,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:02:46,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:02:46,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:02:46,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:02:46,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:02:46,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:02:46,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:02:46,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:02:46,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:02:46,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:02:46,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:02:46,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:02:46,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:02:46,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:02:46,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:02:46,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:02:46,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:02:46,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:02:46,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:02:46,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:02:46,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:02:46,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:02:46,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:02:46,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:02:46,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-12-13 09:02:46,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:02:46,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:02:46,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 09:02:46,387 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 09:02:46,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 09:02:46,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 09:02:46,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:02:46,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:02:46,388 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:02:46,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:02:46,389 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:02:46,389 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 09:02:46,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:02:46,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:02:46,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:02:46,389 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 09:02:46,389 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 09:02:46,389 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 09:02:46,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:02:46,389 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 09:02:46,389 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:02:46,390 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:02:46,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:02:46,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:02:46,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:02:46,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:02:46,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:02:46,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:02:46,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 09:02:46,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 09:02:46,390 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 09:02:46,391 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 09:02:46,391 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 09:02:46,391 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 09:02:46,391 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 09:02:46,391 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_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23bd321b64eb98f17ff91aefc669d9f5b78966b876ea50803bd27f8c9b624679 [2022-12-13 09:02:46,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:02:46,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:02:46,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:02:46,580 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:02:46,580 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:02:46,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/weaver/array-eq-trans.wvr.c [2022-12-13 09:02:49,260 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:02:49,413 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:02:49,413 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/sv-benchmarks/c/weaver/array-eq-trans.wvr.c [2022-12-13 09:02:49,418 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/data/8be92b69e/7de5bc38640a4835bc0342415430aa13/FLAG8b88cc216 [2022-12-13 09:02:49,429 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/data/8be92b69e/7de5bc38640a4835bc0342415430aa13 [2022-12-13 09:02:49,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:02:49,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 09:02:49,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:02:49,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:02:49,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:02:49,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:02:49" (1/1) ... [2022-12-13 09:02:49,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be27913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:02:49, skipping insertion in model container [2022-12-13 09:02:49,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:02:49" (1/1) ... [2022-12-13 09:02:49,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:02:49,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:02:49,582 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_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/sv-benchmarks/c/weaver/array-eq-trans.wvr.c[2737,2750] [2022-12-13 09:02:49,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:02:49,597 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-12-13 09:02:49,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e8a1caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:02:49, skipping insertion in model container [2022-12-13 09:02:49,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:02:49,598 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-13 09:02:49,599 INFO L158 Benchmark]: Toolchain (without parser) took 166.94ms. Allocated memory is still 157.3MB. Free memory was 121.3MB in the beginning and 110.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 09:02:49,600 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 157.3MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 09:02:49,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.30ms. Allocated memory is still 157.3MB. Free memory was 120.7MB in the beginning and 111.4MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 09:02:49,601 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 157.3MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.30ms. Allocated memory is still 157.3MB. Free memory was 120.7MB in the beginning and 111.4MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 111]: 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/array-eq-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w --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 23bd321b64eb98f17ff91aefc669d9f5b78966b876ea50803bd27f8c9b624679 --- 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-2329fc7 [2022-12-13 09:02:50,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:02:50,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:02:50,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:02:50,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:02:50,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:02:50,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:02:50,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:02:50,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:02:50,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:02:50,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:02:50,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:02:50,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:02:50,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:02:50,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:02:50,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:02:50,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:02:50,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:02:50,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:02:50,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:02:50,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:02:50,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:02:50,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:02:50,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:02:50,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:02:50,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:02:50,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:02:50,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:02:50,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:02:50,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:02:50,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:02:50,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:02:50,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:02:50,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:02:50,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:02:50,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:02:50,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:02:50,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:02:50,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:02:50,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:02:50,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:02:50,980 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2022-12-13 09:02:50,997 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:02:50,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:02:50,997 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 09:02:50,997 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 09:02:50,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 09:02:50,998 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 09:02:50,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:02:50,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:02:50,999 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:02:50,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:02:50,999 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:02:50,999 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 09:02:50,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:02:50,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:02:50,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:02:50,999 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 09:02:51,000 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 09:02:51,000 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 09:02:51,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:02:51,000 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 09:02:51,000 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 09:02:51,000 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 09:02:51,000 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:02:51,000 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:02:51,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:02:51,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:02:51,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:02:51,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:02:51,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:02:51,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:02:51,001 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 09:02:51,001 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 09:02:51,001 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 09:02:51,002 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 09:02:51,002 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 09:02:51,002 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 09:02:51,002 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 09:02:51,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 09:02:51,002 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_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23bd321b64eb98f17ff91aefc669d9f5b78966b876ea50803bd27f8c9b624679 [2022-12-13 09:02:51,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:02:51,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:02:51,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:02:51,250 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:02:51,250 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:02:51,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/weaver/array-eq-trans.wvr.c [2022-12-13 09:02:53,738 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:02:53,904 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:02:53,904 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/sv-benchmarks/c/weaver/array-eq-trans.wvr.c [2022-12-13 09:02:53,909 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/data/d2afe1132/40fdd4244edd4a389aab204090c7a6c6/FLAG8d4a93571 [2022-12-13 09:02:53,925 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/data/d2afe1132/40fdd4244edd4a389aab204090c7a6c6 [2022-12-13 09:02:53,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:02:53,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 09:02:53,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:02:53,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:02:53,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:02:53,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:02:53" (1/1) ... [2022-12-13 09:02:53,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1bc11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:02:53, skipping insertion in model container [2022-12-13 09:02:53,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:02:53" (1/1) ... [2022-12-13 09:02:53,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:02:53,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:02:54,129 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_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/sv-benchmarks/c/weaver/array-eq-trans.wvr.c[2737,2750] [2022-12-13 09:02:54,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:02:54,152 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 09:02:54,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:02:54,170 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_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/sv-benchmarks/c/weaver/array-eq-trans.wvr.c[2737,2750] [2022-12-13 09:02:54,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:02:54,178 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:02:54,200 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_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/sv-benchmarks/c/weaver/array-eq-trans.wvr.c[2737,2750] [2022-12-13 09:02:54,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:02:54,220 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:02:54,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:02:54 WrapperNode [2022-12-13 09:02:54,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:02:54,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:02:54,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:02:54,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:02:54,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:02:54" (1/1) ... [2022-12-13 09:02:54,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:02:54" (1/1) ... [2022-12-13 09:02:54,264 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 198 [2022-12-13 09:02:54,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:02:54,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:02:54,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:02:54,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:02:54,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:02:54" (1/1) ... [2022-12-13 09:02:54,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:02:54" (1/1) ... [2022-12-13 09:02:54,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:02:54" (1/1) ... [2022-12-13 09:02:54,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:02:54" (1/1) ... [2022-12-13 09:02:54,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:02:54" (1/1) ... [2022-12-13 09:02:54,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:02:54" (1/1) ... [2022-12-13 09:02:54,299 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:02:54" (1/1) ... [2022-12-13 09:02:54,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:02:54" (1/1) ... [2022-12-13 09:02:54,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:02:54,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:02:54,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:02:54,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:02:54,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:02:54" (1/1) ... [2022-12-13 09:02:54,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:02:54,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:02:54,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 09:02:54,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 09:02:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:02:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 09:02:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:02:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 09:02:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 09:02:54,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 09:02:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 09:02:54,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 09:02:54,366 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 09:02:54,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 09:02:54,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 09:02:54,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:02:54,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:02:54,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:02:54,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 09:02:54,368 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 09:02:54,456 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 09:02:54,458 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:02:55,054 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 09:02:55,064 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:02:55,065 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 09:02:55,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:02:55 BoogieIcfgContainer [2022-12-13 09:02:55,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:02:55,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:02:55,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:02:55,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:02:55,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:02:53" (1/3) ... [2022-12-13 09:02:55,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30edfe94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:02:55, skipping insertion in model container [2022-12-13 09:02:55,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:02:54" (2/3) ... [2022-12-13 09:02:55,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30edfe94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:02:55, skipping insertion in model container [2022-12-13 09:02:55,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:02:55" (3/3) ... [2022-12-13 09:02:55,075 INFO L112 eAbstractionObserver]: Analyzing ICFG array-eq-trans.wvr.c [2022-12-13 09:02:55,088 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:02:55,088 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-12-13 09:02:55,088 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:02:55,151 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 09:02:55,187 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:02:55,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:02:55,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:02:55,188 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:02:55,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 09:02:55,230 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:02:55,255 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork2 ======== [2022-12-13 09:02:55,262 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;@12221990, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:02:55,262 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 09:02:55,480 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 09:02:55,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:02:55,484 INFO L85 PathProgramCache]: Analyzing trace with hash -836667080, now seen corresponding path program 1 times [2022-12-13 09:02:55,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:02:55,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968190822] [2022-12-13 09:02:55,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:02:55,494 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 [2022-12-13 09:02:55,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:02:55,527 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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) [2022-12-13 09:02:55,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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 [2022-12-13 09:02:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:02:55,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 09:02:55,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:02:55,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:02:55,675 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:02:55,676 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:02:55,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968190822] [2022-12-13 09:02:55,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [968190822] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:02:55,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:02:55,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:02:55,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744474703] [2022-12-13 09:02:55,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:02:55,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 09:02:55,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:02:55,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 09:02:55,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 09:02:55,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:02:55,704 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:02:55,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 65.5) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:02:55,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:02:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:02:55,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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 [2022-12-13 09:02:55,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 09:02:55,936 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 09:02:55,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:02:55,936 INFO L85 PathProgramCache]: Analyzing trace with hash -189336507, now seen corresponding path program 1 times [2022-12-13 09:02:55,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:02:55,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [442036653] [2022-12-13 09:02:55,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:02:55,938 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 [2022-12-13 09:02:55,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:02:55,939 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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) [2022-12-13 09:02:55,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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 [2022-12-13 09:02:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:02:56,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 09:02:56,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:02:56,082 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 [2022-12-13 09:02:56,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:02:56,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:02:56,169 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:02:56,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [442036653] [2022-12-13 09:02:56,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [442036653] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:02:56,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:02:56,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 09:02:56,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949124289] [2022-12-13 09:02:56,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:02:56,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 09:02:56,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:02:56,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 09:02:56,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 09:02:56,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:02:56,174 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:02:56,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:02:56,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:02:56,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:02:56,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:02:56,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:02:56,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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)] Ended with exit code 0 [2022-12-13 09:02:56,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 09:02:56,703 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 09:02:56,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:02:56,705 INFO L85 PathProgramCache]: Analyzing trace with hash -189336506, now seen corresponding path program 1 times [2022-12-13 09:02:56,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:02:56,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277549847] [2022-12-13 09:02:56,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:02:56,711 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 [2022-12-13 09:02:56,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:02:56,715 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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) [2022-12-13 09:02:56,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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 [2022-12-13 09:02:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:02:56,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-13 09:02:56,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:02:57,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-13 09:02:57,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:02:57,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:02:57,834 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:02:57,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277549847] [2022-12-13 09:02:57,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277549847] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:02:57,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:02:57,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-13 09:02:57,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280331316] [2022-12-13 09:02:57,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:02:57,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-13 09:02:57,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:02:57,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-13 09:02:57,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2022-12-13 09:02:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:02:57,838 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:02:57,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 7.8125) internal successors, (125), 17 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:02:57,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:02:57,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:02:57,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:02:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:02:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:02:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:02:59,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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)] Ended with exit code 0 [2022-12-13 09:02:59,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 09:02:59,817 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 09:02:59,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:02:59,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1064348863, now seen corresponding path program 1 times [2022-12-13 09:02:59,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:02:59,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640015603] [2022-12-13 09:02:59,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:02:59,818 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 [2022-12-13 09:02:59,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:02:59,819 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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) [2022-12-13 09:02:59,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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 [2022-12-13 09:02:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:02:59,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-13 09:02:59,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:03:00,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-13 09:03:00,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:03:00,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:03:00,690 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:03:00,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640015603] [2022-12-13 09:03:00,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640015603] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:03:00,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:03:00,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-13 09:03:00,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454624997] [2022-12-13 09:03:00,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:03:00,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 09:03:00,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:03:00,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 09:03:00,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-12-13 09:03:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:03:00,694 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:03:00,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.375) internal successors, (134), 16 states have internal predecessors, (134), 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) [2022-12-13 09:03:00,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:03:00,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:03:00,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:03:00,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:03:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:03:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:03:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:03:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 09:03:01,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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 [2022-12-13 09:03:01,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 09:03:01,991 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 09:03:01,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:03:01,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1518175283, now seen corresponding path program 1 times [2022-12-13 09:03:01,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:03:01,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212009004] [2022-12-13 09:03:01,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:03:01,996 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 [2022-12-13 09:03:01,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:03:01,999 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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) [2022-12-13 09:03:02,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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 [2022-12-13 09:03:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:03:02,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-13 09:03:02,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:03:02,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-13 09:03:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 09:03:02,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:03:10,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 09:03:10,533 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:03:10,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212009004] [2022-12-13 09:03:10,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212009004] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:03:10,533 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:03:10,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 36 [2022-12-13 09:03:10,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263769356] [2022-12-13 09:03:10,533 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:03:10,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-12-13 09:03:10,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:03:10,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-12-13 09:03:10,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1165, Unknown=0, NotChecked=0, Total=1332 [2022-12-13 09:03:10,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:03:10,536 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:03:10,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 8.11111111111111) internal successors, (292), 37 states have internal predecessors, (292), 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) [2022-12-13 09:03:10,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:03:10,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:03:10,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:03:10,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-12-13 09:03:10,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:03:19,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:03:19,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:03:19,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:03:19,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 09:03:19,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-13 09:03:19,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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)] Ended with exit code 0 [2022-12-13 09:03:19,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 09:03:19,387 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 09:03:19,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:03:19,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1219641299, now seen corresponding path program 2 times [2022-12-13 09:03:19,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:03:19,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890188348] [2022-12-13 09:03:19,389 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 09:03:19,389 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 [2022-12-13 09:03:19,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:03:19,390 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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) [2022-12-13 09:03:19,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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 [2022-12-13 09:03:19,624 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 09:03:19,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:03:19,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-13 09:03:19,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:03:19,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-13 09:03:21,057 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 09:03:21,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:03:37,920 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 09:03:37,921 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:03:37,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [890188348] [2022-12-13 09:03:37,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [890188348] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:03:37,921 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:03:37,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 46 [2022-12-13 09:03:37,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079915806] [2022-12-13 09:03:37,921 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:03:37,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-12-13 09:03:37,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:03:37,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-12-13 09:03:37,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=1935, Unknown=0, NotChecked=0, Total=2162 [2022-12-13 09:03:37,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:03:37,923 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:03:37,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 7.130434782608695) internal successors, (328), 47 states have internal predecessors, (328), 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) [2022-12-13 09:03:37,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:03:37,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:03:37,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:03:37,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-12-13 09:03:37,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-12-13 09:03:37,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:03:59,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 09:04:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:04:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:04:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:04:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 09:04:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-13 09:04:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-12-13 09:04:02,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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)] Ended with exit code 0 [2022-12-13 09:04:02,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 09:04:02,855 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 09:04:02,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:04:02,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1449312019, now seen corresponding path program 3 times [2022-12-13 09:04:02,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:04:02,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [913011134] [2022-12-13 09:04:02,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 09:04:02,860 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 [2022-12-13 09:04:02,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:04:02,861 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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) [2022-12-13 09:04:02,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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 [2022-12-13 09:04:03,067 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-13 09:04:03,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:04:03,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-13 09:04:03,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:04:03,204 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 [2022-12-13 09:04:03,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-13 09:04:03,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:04:03,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:04:03,916 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-12-13 09:04:03,916 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 [2022-12-13 09:04:05,180 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-12-13 09:04:05,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:04:42,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:04:43,821 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 7 proven. 57 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-12-13 09:04:43,821 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:04:43,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [913011134] [2022-12-13 09:04:43,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [913011134] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:04:43,822 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:04:43,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 37 [2022-12-13 09:04:43,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845216575] [2022-12-13 09:04:43,823 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:04:43,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-12-13 09:04:43,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:04:43,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-12-13 09:04:43,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1172, Unknown=12, NotChecked=0, Total=1332 [2022-12-13 09:04:43,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:04:43,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:04:43,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 6.72972972972973) internal successors, (249), 37 states have internal predecessors, (249), 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) [2022-12-13 09:04:43,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:04:43,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:04:43,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:04:43,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-12-13 09:04:43,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-12-13 09:04:43,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-12-13 09:04:43,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:05:00,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:05:00,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:05:00,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:05:00,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 09:05:00,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-13 09:05:00,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-12-13 09:05:00,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:05:00,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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)] Ended with exit code 0 [2022-12-13 09:05:00,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 09:05:00,525 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 09:05:00,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:05:00,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1800612731, now seen corresponding path program 4 times [2022-12-13 09:05:00,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:05:00,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282927271] [2022-12-13 09:05:00,528 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 09:05:00,528 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 [2022-12-13 09:05:00,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:05:00,529 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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) [2022-12-13 09:05:00,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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 [2022-12-13 09:05:00,776 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 09:05:00,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:05:00,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-13 09:05:00,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:05:01,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-13 09:05:04,418 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 120 proven. 44 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-12-13 09:05:04,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:05:24,185 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 218 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-13 09:05:24,185 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:05:24,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282927271] [2022-12-13 09:05:24,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282927271] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:05:24,186 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:05:24,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 34] total 59 [2022-12-13 09:05:24,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921694445] [2022-12-13 09:05:24,186 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:05:24,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2022-12-13 09:05:24,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:05:24,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2022-12-13 09:05:24,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=3081, Unknown=0, NotChecked=0, Total=3422 [2022-12-13 09:05:24,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:05:24,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:05:24,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 6.5423728813559325) internal successors, (386), 59 states have internal predecessors, (386), 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) [2022-12-13 09:05:24,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:05:24,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:05:24,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:05:24,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-12-13 09:05:24,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-12-13 09:05:24,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-12-13 09:05:24,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:05:24,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:05:49,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:05:49,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:05:49,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:05:49,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 09:05:49,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-13 09:05:49,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-12-13 09:05:49,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:05:49,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-12-13 09:05:49,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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)] Ended with exit code 0 [2022-12-13 09:05:49,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 09:05:49,931 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 09:05:49,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:05:49,933 INFO L85 PathProgramCache]: Analyzing trace with hash -986737001, now seen corresponding path program 5 times [2022-12-13 09:05:49,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:05:49,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930272293] [2022-12-13 09:05:49,935 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-13 09:05:49,935 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 [2022-12-13 09:05:49,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:05:49,938 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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) [2022-12-13 09:05:49,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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 [2022-12-13 09:05:50,650 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-12-13 09:05:50,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:05:50,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 45 conjunts are in the unsatisfiable core [2022-12-13 09:05:50,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:05:51,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-13 09:05:57,081 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 96 proven. 145 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-12-13 09:05:57,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:06:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 250 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-12-13 09:06:26,347 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:06:26,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930272293] [2022-12-13 09:06:26,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930272293] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:06:26,348 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:06:26,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 39] total 73 [2022-12-13 09:06:26,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609070993] [2022-12-13 09:06:26,348 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:06:26,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-12-13 09:06:26,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:06:26,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-12-13 09:06:26,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=4758, Unknown=0, NotChecked=0, Total=5256 [2022-12-13 09:06:26,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:06:26,353 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:06:26,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 5.863013698630137) internal successors, (428), 73 states have internal predecessors, (428), 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) [2022-12-13 09:06:26,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:06:26,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:06:26,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:06:26,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-12-13 09:06:26,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-12-13 09:06:26,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-12-13 09:06:26,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:06:26,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-12-13 09:06:26,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:06:56,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 09:06:58,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 09:07:00,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 09:07:09,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 09:07:11,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 09:07:14,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 09:07:59,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:07:59,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:07:59,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:07:59,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 09:07:59,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-13 09:07:59,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-12-13 09:07:59,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:07:59,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-12-13 09:07:59,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-12-13 09:07:59,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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)] Ended with exit code 0 [2022-12-13 09:07:59,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 09:07:59,375 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 09:07:59,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:07:59,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1994947539, now seen corresponding path program 6 times [2022-12-13 09:07:59,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:07:59,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615112947] [2022-12-13 09:07:59,379 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-13 09:07:59,379 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 [2022-12-13 09:07:59,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:07:59,382 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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) [2022-12-13 09:07:59,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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 [2022-12-13 09:08:00,504 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-12-13 09:08:00,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:08:00,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 55 conjunts are in the unsatisfiable core [2022-12-13 09:08:00,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:08:00,896 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 [2022-12-13 09:08:00,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-13 09:08:03,828 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-12-13 09:08:03,829 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 [2022-12-13 09:08:03,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-12-13 09:08:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 80 proven. 134 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-12-13 09:08:20,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:09:07,609 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_create_fresh_int_array_~i~0#1| (_ BitVec 32))) (let ((.cse6 (bvmul (_ bv4 32) |ULTIMATE.start_create_fresh_int_array_~i~0#1|))) (let ((.cse0 (bvadd (_ bv16 32) .cse6)) (.cse4 (bvadd .cse6 (_ bv4 32))) (.cse5 (bvadd .cse6 (_ bv8 32))) (.cse3 (bvadd .cse6 (_ bv12 32)))) (or (forall ((v_ArrVal_453 (_ BitVec 32))) (or (not (bvule .cse0 v_ArrVal_453)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55| (_ BitVec 32))) (or (forall ((~i_BC~0 (_ BitVec 32))) (let ((.cse1 (bvmul (_ bv4 32) ~i_BC~0))) (let ((.cse2 (bvadd (_ bv4 32) .cse1 c_~B~0.offset))) (or (bvule .cse1 (bvadd (_ bv4 32) .cse1)) (not (bvule (bvadd .cse1 c_~B~0.offset) .cse2)) (not (bvule .cse2 (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55| v_ArrVal_453) c_~B~0.base))))))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55|))))))) (not (bvule .cse3 .cse0)) (not (bvule .cse4 .cse5)) (not (bvule .cse6 .cse4)) (not (bvule .cse5 .cse3)))))) (forall ((|ULTIMATE.start_create_fresh_int_array_~i~0#1| (_ BitVec 32))) (let ((.cse11 (bvmul (_ bv4 32) |ULTIMATE.start_create_fresh_int_array_~i~0#1|))) (let ((.cse9 (bvadd .cse11 (_ bv4 32))) (.cse10 (bvadd .cse11 (_ bv8 32))) (.cse7 (bvadd .cse11 (_ bv12 32))) (.cse8 (bvadd (_ bv16 32) .cse11))) (or (not (bvule .cse7 .cse8)) (not (bvule .cse9 .cse10)) (not (bvule .cse11 .cse9)) (not (bvule .cse10 .cse7)) (forall ((v_ArrVal_453 (_ BitVec 32))) (or (not (bvule .cse8 v_ArrVal_453)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55|))) (forall ((~i_BC~0 (_ BitVec 32))) (let ((.cse12 (bvmul (_ bv4 32) ~i_BC~0))) (let ((.cse13 (bvadd (_ bv4 32) .cse12 c_~B~0.offset))) (or (not (bvule (bvadd .cse12 c_~B~0.offset) .cse13)) (not (bvule .cse13 (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55| v_ArrVal_453) c_~B~0.base))) (bvule (bvadd (_ bv4 32) .cse12) v_ArrVal_453)))))))))))))) is different from false [2022-12-13 09:09:14,642 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_create_fresh_int_array_~i~0#1| (_ BitVec 32))) (let ((.cse6 (bvmul (_ bv4 32) |ULTIMATE.start_create_fresh_int_array_~i~0#1|))) (let ((.cse0 (bvadd (_ bv16 32) .cse6)) (.cse4 (bvadd .cse6 (_ bv4 32))) (.cse5 (bvadd .cse6 (_ bv8 32))) (.cse3 (bvadd .cse6 (_ bv12 32)))) (or (forall ((v_ArrVal_453 (_ BitVec 32))) (or (not (bvule .cse0 v_ArrVal_453)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55| (_ BitVec 32))) (or (forall ((~i_BC~0 (_ BitVec 32))) (let ((.cse1 (bvmul (_ bv4 32) ~i_BC~0))) (let ((.cse2 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_#t~ret14#1.offset| .cse1))) (or (not (bvule (bvadd |c_ULTIMATE.start_main_#t~ret14#1.offset| .cse1) .cse2)) (not (bvule .cse2 (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55| v_ArrVal_453) |c_ULTIMATE.start_main_#t~ret14#1.base|))) (bvule (bvadd (_ bv4 32) .cse1) v_ArrVal_453))))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55|))))))) (not (bvule .cse3 .cse0)) (not (bvule .cse4 .cse5)) (not (bvule .cse6 .cse4)) (not (bvule .cse5 .cse3)))))) (forall ((|ULTIMATE.start_create_fresh_int_array_~i~0#1| (_ BitVec 32))) (let ((.cse11 (bvmul (_ bv4 32) |ULTIMATE.start_create_fresh_int_array_~i~0#1|))) (let ((.cse9 (bvadd .cse11 (_ bv4 32))) (.cse10 (bvadd .cse11 (_ bv8 32))) (.cse7 (bvadd .cse11 (_ bv12 32))) (.cse8 (bvadd (_ bv16 32) .cse11))) (or (not (bvule .cse7 .cse8)) (not (bvule .cse9 .cse10)) (not (bvule .cse11 .cse9)) (not (bvule .cse10 .cse7)) (forall ((v_ArrVal_453 (_ BitVec 32))) (or (not (bvule .cse8 v_ArrVal_453)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55| (_ BitVec 32))) (or (forall ((~i_BC~0 (_ BitVec 32))) (let ((.cse12 (bvmul (_ bv4 32) ~i_BC~0))) (let ((.cse13 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_#t~ret14#1.offset| .cse12))) (or (not (bvule (bvadd |c_ULTIMATE.start_main_#t~ret14#1.offset| .cse12) .cse13)) (not (bvule .cse13 (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55| v_ArrVal_453) |c_ULTIMATE.start_main_#t~ret14#1.base|))) (bvule .cse12 (bvadd (_ bv4 32) .cse12)))))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55|)))))))))))) is different from false [2022-12-13 09:09:17,201 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_create_fresh_int_array_~i~0#1| (_ BitVec 32))) (let ((.cse6 (bvmul (_ bv4 32) |ULTIMATE.start_create_fresh_int_array_~i~0#1|))) (let ((.cse0 (bvadd (_ bv16 32) .cse6)) (.cse4 (bvadd .cse6 (_ bv4 32))) (.cse5 (bvadd .cse6 (_ bv8 32))) (.cse3 (bvadd .cse6 (_ bv12 32)))) (or (forall ((v_ArrVal_453 (_ BitVec 32))) (or (not (bvule .cse0 v_ArrVal_453)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55| (_ BitVec 32))) (or (forall ((~i_BC~0 (_ BitVec 32))) (let ((.cse2 (bvmul (_ bv4 32) ~i_BC~0))) (let ((.cse1 (bvadd (_ bv4 32) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| .cse2))) (or (not (bvule .cse1 (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55| v_ArrVal_453) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (bvule .cse2 (bvadd (_ bv4 32) .cse2)) (not (bvule (bvadd |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| .cse2) .cse1)))))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55|))))))) (not (bvule .cse3 .cse0)) (not (bvule .cse4 .cse5)) (not (bvule .cse6 .cse4)) (not (bvule .cse5 .cse3)))))) (forall ((|ULTIMATE.start_create_fresh_int_array_~i~0#1| (_ BitVec 32))) (let ((.cse11 (bvmul (_ bv4 32) |ULTIMATE.start_create_fresh_int_array_~i~0#1|))) (let ((.cse9 (bvadd .cse11 (_ bv4 32))) (.cse10 (bvadd .cse11 (_ bv8 32))) (.cse7 (bvadd .cse11 (_ bv12 32))) (.cse8 (bvadd (_ bv16 32) .cse11))) (or (not (bvule .cse7 .cse8)) (not (bvule .cse9 .cse10)) (not (bvule .cse11 .cse9)) (not (bvule .cse10 .cse7)) (forall ((v_ArrVal_453 (_ BitVec 32))) (or (not (bvule .cse8 v_ArrVal_453)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55| (_ BitVec 32))) (or (forall ((~i_BC~0 (_ BitVec 32))) (let ((.cse13 (bvmul (_ bv4 32) ~i_BC~0))) (let ((.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| .cse13))) (or (not (bvule .cse12 (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55| v_ArrVal_453) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (bvule (bvadd (_ bv4 32) .cse13) v_ArrVal_453) (not (bvule (bvadd |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| .cse13) .cse12)))))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55|)))))))))))) is different from false [2022-12-13 09:09:19,497 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_create_fresh_int_array_~i~0#1| (_ BitVec 32))) (let ((.cse6 (bvmul (_ bv4 32) |ULTIMATE.start_create_fresh_int_array_~i~0#1|))) (let ((.cse0 (bvadd (_ bv16 32) .cse6)) (.cse4 (bvadd .cse6 (_ bv4 32))) (.cse5 (bvadd .cse6 (_ bv8 32))) (.cse3 (bvadd .cse6 (_ bv12 32)))) (or (forall ((v_ArrVal_453 (_ BitVec 32))) (or (not (bvule .cse0 v_ArrVal_453)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55| (_ BitVec 32))) (or (forall ((~i_BC~0 (_ BitVec 32))) (let ((.cse1 (bvmul (_ bv4 32) ~i_BC~0))) (let ((.cse2 (bvadd |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| (_ bv4 32) .cse1))) (or (not (bvule (bvadd |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| .cse1) .cse2)) (bvule .cse1 (bvadd (_ bv4 32) .cse1)) (not (bvule .cse2 (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55| v_ArrVal_453) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))))))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55|))))))) (not (bvule .cse3 .cse0)) (not (bvule .cse4 .cse5)) (not (bvule .cse6 .cse4)) (not (bvule .cse5 .cse3)))))) (forall ((|ULTIMATE.start_create_fresh_int_array_~i~0#1| (_ BitVec 32))) (let ((.cse13 (bvmul (_ bv4 32) |ULTIMATE.start_create_fresh_int_array_~i~0#1|))) (let ((.cse7 (bvadd (_ bv16 32) .cse13)) (.cse11 (bvadd .cse13 (_ bv4 32))) (.cse12 (bvadd .cse13 (_ bv8 32))) (.cse10 (bvadd .cse13 (_ bv12 32)))) (or (forall ((v_ArrVal_453 (_ BitVec 32))) (or (not (bvule .cse7 v_ArrVal_453)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55|))) (forall ((~i_BC~0 (_ BitVec 32))) (let ((.cse8 (bvmul (_ bv4 32) ~i_BC~0))) (let ((.cse9 (bvadd |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| (_ bv4 32) .cse8))) (or (not (bvule (bvadd |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| .cse8) .cse9)) (bvule (bvadd (_ bv4 32) .cse8) v_ArrVal_453) (not (bvule .cse9 (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base_55| v_ArrVal_453) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))))))))))) (not (bvule .cse10 .cse7)) (not (bvule .cse11 .cse12)) (not (bvule .cse13 .cse11)) (not (bvule .cse12 .cse10))))))) is different from false [2022-12-13 09:09:40,883 WARN L233 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:10:06,954 WARN L233 SmtUtils]: Spent 8.66s on a formula simplification that was a NOOP. DAG size: 71 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:10:17,589 WARN L233 SmtUtils]: Spent 7.77s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:10:44,721 WARN L233 SmtUtils]: Spent 6.81s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:10:52,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:10:56,009 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 143 proven. 71 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-12-13 09:10:56,009 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:10:56,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [615112947] [2022-12-13 09:10:56,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [615112947] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:10:56,009 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:10:56,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 36] total 74 [2022-12-13 09:10:56,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235620647] [2022-12-13 09:10:56,010 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:10:56,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-12-13 09:10:56,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:10:56,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-12-13 09:10:56,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=384, Invalid=4598, Unknown=4, NotChecked=564, Total=5550 [2022-12-13 09:10:56,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:56,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:10:56,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 74 states have (on average 4.297297297297297) internal successors, (318), 75 states have internal predecessors, (318), 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) [2022-12-13 09:10:56,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:56,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:10:56,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:10:56,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-12-13 09:10:56,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-12-13 09:10:56,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-12-13 09:10:56,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:10:56,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-12-13 09:10:56,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-12-13 09:10:56,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:11:19,849 WARN L233 SmtUtils]: Spent 7.87s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:11:54,342 WARN L233 SmtUtils]: Spent 28.81s on a formula simplification. DAG size of input: 164 DAG size of output: 95 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:12:15,712 WARN L233 SmtUtils]: Spent 17.14s on a formula simplification. DAG size of input: 169 DAG size of output: 98 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:12:45,431 WARN L233 SmtUtils]: Spent 25.02s on a formula simplification. DAG size of input: 176 DAG size of output: 99 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:13:24,083 WARN L233 SmtUtils]: Spent 33.64s on a formula simplification. DAG size of input: 171 DAG size of output: 113 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:13:33,921 WARN L233 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 106 DAG size of output: 89 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:13:42,390 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 103 DAG size of output: 86 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:13:51,099 WARN L233 SmtUtils]: Spent 7.50s on a formula simplification. DAG size of input: 129 DAG size of output: 103 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:14:41,406 WARN L233 SmtUtils]: Spent 39.20s on a formula simplification. DAG size of input: 164 DAG size of output: 88 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:15:13,998 WARN L233 SmtUtils]: Spent 26.04s on a formula simplification. DAG size of input: 169 DAG size of output: 88 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:15:47,470 WARN L233 SmtUtils]: Spent 29.35s on a formula simplification. DAG size of input: 176 DAG size of output: 89 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:16:22,428 WARN L233 SmtUtils]: Spent 31.00s on a formula simplification. DAG size of input: 171 DAG size of output: 103 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:16:36,296 WARN L233 SmtUtils]: Spent 11.43s on a formula simplification. DAG size of input: 130 DAG size of output: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:17:08,878 WARN L233 SmtUtils]: Spent 7.59s on a formula simplification. DAG size of input: 110 DAG size of output: 93 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:17:10,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:10,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:10,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:17:10,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 09:17:10,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-13 09:17:10,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-12-13 09:17:10,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:17:10,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-12-13 09:17:10,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-12-13 09:17:10,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 09:17:10,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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 [2022-12-13 09:17:10,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 09:17:10,355 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 09:17:10,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:17:10,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1873727133, now seen corresponding path program 7 times [2022-12-13 09:17:10,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:17:10,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425595188] [2022-12-13 09:17:10,359 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-13 09:17:10,359 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 [2022-12-13 09:17:10,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:17:10,361 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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) [2022-12-13 09:17:10,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2273f6cd-7e0d-41f9-b47f-16b71ba11c89/bin/ugemcutter-rbreBovr8w/mathsat -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 [2022-12-13 09:17:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:10,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-13 09:17:10,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:17:15,529 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-12-13 09:17:15,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:17:24,083 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 36 treesize of output 32 [2022-12-13 09:17:37,053 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-12-13 09:17:37,053 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:17:37,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425595188] [2022-12-13 09:17:37,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425595188] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:17:37,054 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:17:37,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 73 [2022-12-13 09:17:37,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978464416] [2022-12-13 09:17:37,054 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:17:37,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-12-13 09:17:37,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:17:37,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-12-13 09:17:37,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=5049, Unknown=0, NotChecked=0, Total=5402 [2022-12-13 09:17:37,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:37,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:17:37,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 73 states have (on average 6.684931506849315) internal successors, (488), 74 states have internal predecessors, (488), 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) [2022-12-13 09:17:37,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:17:37,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:17:37,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-12-13 09:17:37,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-12-13 09:17:37,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-12-13 09:17:37,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-12-13 09:17:37,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:17:37,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-12-13 09:17:37,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-12-13 09:17:37,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-12-13 09:17:37,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.