./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx --witnessprinter.witness.filename witness --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 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:51:18,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:51:18,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2023-12-02 20:51:18,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:51:18,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:51:18,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:51:18,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:51:18,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:51:18,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:51:18,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:51:18,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:51:18,918 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:51:18,918 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:51:18,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:51:18,919 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:51:18,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:51:18,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:51:18,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:51:18,921 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 20:51:18,921 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 20:51:18,922 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 20:51:18,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:51:18,923 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:51:18,923 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:51:18,924 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:51:18,924 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:51:18,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:51:18,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:51:18,925 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:51:18,926 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:51:18,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:51:18,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:51:18,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:51:18,928 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-02 20:51:18,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:51:18,929 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:51:18,929 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-12-02 20:51:18,929 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:51:18,930 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:51:18,930 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:51:18,930 INFO L153 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_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2023-12-02 20:51:19,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:51:19,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:51:19,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:51:19,181 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:51:19,182 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:51:19,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-12-02 20:51:21,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:51:22,213 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:51:22,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-12-02 20:51:22,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/data/d78ee62d1/2555b8f1151d4b83b5a725f14ecca509/FLAG1d4524bbe [2023-12-02 20:51:22,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/data/d78ee62d1/2555b8f1151d4b83b5a725f14ecca509 [2023-12-02 20:51:22,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:51:22,250 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:51:22,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:51:22,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:51:22,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:51:22,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:51:22" (1/1) ... [2023-12-02 20:51:22,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1216e8a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:22, skipping insertion in model container [2023-12-02 20:51:22,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:51:22" (1/1) ... [2023-12-02 20:51:22,305 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:51:22,678 WARN L1590 CHandler]: Possible shadowing of function new [2023-12-02 20:51:22,678 WARN L1590 CHandler]: Possible shadowing of function new [2023-12-02 20:51:22,678 WARN L1590 CHandler]: Possible shadowing of function new [2023-12-02 20:51:22,679 WARN L1590 CHandler]: Possible shadowing of function new [2023-12-02 20:51:22,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:51:22,727 ERROR L324 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) [2023-12-02 20:51:22,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e5114ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:22, skipping insertion in model container [2023-12-02 20:51:22,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:51:22,728 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-12-02 20:51:22,729 INFO L158 Benchmark]: Toolchain (without parser) took 478.86ms. Allocated memory is still 127.9MB. Free memory was 98.6MB in the beginning and 83.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 20:51:22,730 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:51:22,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.66ms. Allocated memory is still 127.9MB. Free memory was 98.6MB in the beginning and 83.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 20:51:22,731 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.66ms. Allocated memory is still 127.9MB. Free memory was 98.6MB in the beginning and 83.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1045]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx --witnessprinter.witness.filename witness --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 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:51:24,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:51:24,519 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2023-12-02 20:51:24,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:51:24,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:51:24,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:51:24,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:51:24,557 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:51:24,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:51:24,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:51:24,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:51:24,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:51:24,560 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:51:24,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:51:24,561 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:51:24,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:51:24,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:51:24,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:51:24,563 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 20:51:24,564 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 20:51:24,564 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 20:51:24,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:51:24,565 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:51:24,565 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 20:51:24,566 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 20:51:24,566 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:51:24,567 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:51:24,567 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:51:24,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:51:24,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:51:24,569 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:51:24,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:51:24,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:51:24,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:51:24,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:51:24,571 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-02 20:51:24,571 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:51:24,571 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:51:24,571 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-12-02 20:51:24,572 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:51:24,572 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:51:24,572 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:51:24,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:51:24,573 INFO L153 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_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2023-12-02 20:51:24,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:51:24,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:51:24,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:51:24,912 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:51:24,913 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:51:24,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-12-02 20:51:27,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:51:27,994 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:51:27,995 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-12-02 20:51:28,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/data/f0ab379e2/73ba17e7e4e441cc9326953cabee92b6/FLAGa8f29add8 [2023-12-02 20:51:28,028 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/data/f0ab379e2/73ba17e7e4e441cc9326953cabee92b6 [2023-12-02 20:51:28,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:51:28,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:51:28,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:51:28,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:51:28,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:51:28,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:51:28" (1/1) ... [2023-12-02 20:51:28,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed96efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:28, skipping insertion in model container [2023-12-02 20:51:28,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:51:28" (1/1) ... [2023-12-02 20:51:28,112 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:51:28,574 WARN L1590 CHandler]: Possible shadowing of function new [2023-12-02 20:51:28,574 WARN L1590 CHandler]: Possible shadowing of function new [2023-12-02 20:51:28,575 WARN L1590 CHandler]: Possible shadowing of function new [2023-12-02 20:51:28,576 WARN L1590 CHandler]: Possible shadowing of function new [2023-12-02 20:51:28,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:51:28,625 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 20:51:28,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:51:28,665 WARN L1590 CHandler]: Possible shadowing of function new [2023-12-02 20:51:28,666 WARN L1590 CHandler]: Possible shadowing of function new [2023-12-02 20:51:28,666 WARN L1590 CHandler]: Possible shadowing of function new [2023-12-02 20:51:28,667 WARN L1590 CHandler]: Possible shadowing of function new [2023-12-02 20:51:28,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:51:28,689 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:51:28,728 WARN L1590 CHandler]: Possible shadowing of function new [2023-12-02 20:51:28,728 WARN L1590 CHandler]: Possible shadowing of function new [2023-12-02 20:51:28,729 WARN L1590 CHandler]: Possible shadowing of function new [2023-12-02 20:51:28,729 WARN L1590 CHandler]: Possible shadowing of function new [2023-12-02 20:51:28,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:51:28,814 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:51:28,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:28 WrapperNode [2023-12-02 20:51:28,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:51:28,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:51:28,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:51:28,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:51:28,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:28" (1/1) ... [2023-12-02 20:51:28,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:28" (1/1) ... [2023-12-02 20:51:28,876 INFO L138 Inliner]: procedures = 277, calls = 39, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 161 [2023-12-02 20:51:28,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:51:28,877 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:51:28,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:51:28,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:51:28,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:28" (1/1) ... [2023-12-02 20:51:28,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:28" (1/1) ... [2023-12-02 20:51:28,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:28" (1/1) ... [2023-12-02 20:51:28,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:28" (1/1) ... [2023-12-02 20:51:28,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:28" (1/1) ... [2023-12-02 20:51:28,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:28" (1/1) ... [2023-12-02 20:51:28,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:28" (1/1) ... [2023-12-02 20:51:28,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:28" (1/1) ... [2023-12-02 20:51:28,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:51:28,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:51:28,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:51:28,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:51:28,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:28" (1/1) ... [2023-12-02 20:51:28,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:51:28,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:51:28,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:51:28,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:51:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 20:51:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-12-02 20:51:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-12-02 20:51:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:51:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 20:51:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:51:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 20:51:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 20:51:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 20:51:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 20:51:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:51:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 20:51:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:51:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:51:28,994 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:51:29,158 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:51:29,160 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:51:29,747 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:51:29,967 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:51:29,968 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 20:51:29,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:29 BoogieIcfgContainer [2023-12-02 20:51:29,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:51:29,970 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:51:29,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:51:29,972 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:51:29,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:51:28" (1/3) ... [2023-12-02 20:51:29,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac5f1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:51:29, skipping insertion in model container [2023-12-02 20:51:29,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:28" (2/3) ... [2023-12-02 20:51:29,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac5f1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:51:29, skipping insertion in model container [2023-12-02 20:51:29,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:29" (3/3) ... [2023-12-02 20:51:29,975 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_24-evilcollapse_nr.i [2023-12-02 20:51:29,989 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:51:29,990 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2023-12-02 20:51:29,990 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:51:30,058 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 20:51:30,093 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:51:30,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:51:30,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:51:30,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:51:30,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-12-02 20:51:30,140 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:51:30,149 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-12-02 20:51:30,154 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;@796b156a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:51:30,154 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2023-12-02 20:51:30,244 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2023-12-02 20:51:30,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:30,249 INFO L85 PathProgramCache]: Analyzing trace with hash 15721058, now seen corresponding path program 1 times [2023-12-02 20:51:30,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:51:30,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958076297] [2023-12-02 20:51:30,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:30,273 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 [2023-12-02 20:51:30,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:51:30,297 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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) [2023-12-02 20:51:30,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:30,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 20:51:30,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:30,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:51:30,416 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:51:30,416 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:51:30,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958076297] [2023-12-02 20:51:30,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958076297] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:51:30,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:51:30,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:51:30,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056033276] [2023-12-02 20:51:30,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:51:30,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:51:30,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:51:30,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:51:30,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:51:30,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:30,444 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:30,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-12-02 20:51:30,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:30,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:30,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:30,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:30,699 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2023-12-02 20:51:30,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:30,700 INFO L85 PathProgramCache]: Analyzing trace with hash 15721059, now seen corresponding path program 1 times [2023-12-02 20:51:30,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:51:30,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106511816] [2023-12-02 20:51:30,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:30,701 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 [2023-12-02 20:51:30,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:51:30,702 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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) [2023-12-02 20:51:30,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:30,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 20:51:30,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:30,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:51:30,850 INFO L378 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 9 [2023-12-02 20:51:30,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:51:30,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:51:30,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2023-12-02 20:51:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:51:30,948 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:51:30,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:51:30,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [106511816] [2023-12-02 20:51:30,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [106511816] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:51:30,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:51:30,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:51:30,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222360209] [2023-12-02 20:51:30,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:51:30,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:51:30,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:51:30,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:51:30,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:51:30,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:30,952 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:30,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-12-02 20:51:30,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:30,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:31,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:31,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:31,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:31,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:31,331 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2023-12-02 20:51:31,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:31,332 INFO L85 PathProgramCache]: Analyzing trace with hash -2071915241, now seen corresponding path program 1 times [2023-12-02 20:51:31,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:51:31,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775499705] [2023-12-02 20:51:31,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:31,333 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 [2023-12-02 20:51:31,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:51:31,334 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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) [2023-12-02 20:51:31,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:31,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:51:31,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:31,450 INFO L378 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 [2023-12-02 20:51:31,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:51:31,457 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:51:31,457 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:51:31,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775499705] [2023-12-02 20:51:31,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1775499705] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:51:31,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:51:31,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:51:31,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528772117] [2023-12-02 20:51:31,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:51:31,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:51:31,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:51:31,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:51:31,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:51:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:31,461 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:31,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-12-02 20:51:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:31,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:31,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:31,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:31,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:31,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:31,742 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2023-12-02 20:51:31,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:31,742 INFO L85 PathProgramCache]: Analyzing trace with hash -2071915240, now seen corresponding path program 1 times [2023-12-02 20:51:31,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:51:31,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128463460] [2023-12-02 20:51:31,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:31,743 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 [2023-12-02 20:51:31,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:51:31,745 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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) [2023-12-02 20:51:31,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:31,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:51:31,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:31,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 20:51:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:51:31,869 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:51:31,869 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:51:31,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128463460] [2023-12-02 20:51:31,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2128463460] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:51:31,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:51:31,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:51:31,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222060728] [2023-12-02 20:51:31,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:51:31,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:51:31,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:51:31,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:51:31,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:51:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:31,872 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:31,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-12-02 20:51:31,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:31,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:31,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:31,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:32,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:32,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:32,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:32,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:32,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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)] Ended with exit code 0 [2023-12-02 20:51:32,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:32,306 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2023-12-02 20:51:32,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:32,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1754294941, now seen corresponding path program 1 times [2023-12-02 20:51:32,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:51:32,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1860801135] [2023-12-02 20:51:32,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:32,307 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 [2023-12-02 20:51:32,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:51:32,308 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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) [2023-12-02 20:51:32,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:32,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 20:51:32,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:32,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 20:51:32,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:51:32,457 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:51:32,458 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:51:32,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1860801135] [2023-12-02 20:51:32,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1860801135] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:51:32,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:51:32,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:51:32,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375820155] [2023-12-02 20:51:32,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:51:32,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:51:32,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:51:32,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:51:32,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:51:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:32,461 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:32,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2023-12-02 20:51:32,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:32,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:32,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:32,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:32,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:32,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:32,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:32,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:32,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:32,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:32,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:32,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:32,852 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2023-12-02 20:51:32,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:32,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1451431184, now seen corresponding path program 1 times [2023-12-02 20:51:32,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:51:32,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850693504] [2023-12-02 20:51:32,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:32,853 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 [2023-12-02 20:51:32,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:51:32,854 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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) [2023-12-02 20:51:32,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:33,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 20:51:33,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:33,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-12-02 20:51:33,124 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-12-02 20:51:33,124 INFO L378 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 1 case distinctions, treesize of input 14 treesize of output 20 [2023-12-02 20:51:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:51:33,178 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:51:33,178 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:51:33,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850693504] [2023-12-02 20:51:33,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850693504] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:51:33,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:51:33,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:51:33,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779533008] [2023-12-02 20:51:33,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:51:33,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:51:33,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:51:33,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:51:33,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:51:33,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:33,181 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:33,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2023-12-02 20:51:33,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:33,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:33,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:33,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:33,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:33,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:33,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:33,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:33,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:33,548 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2023-12-02 20:51:33,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:33,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1451431183, now seen corresponding path program 1 times [2023-12-02 20:51:33,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:51:33,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472470945] [2023-12-02 20:51:33,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:33,549 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:33,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:51:33,550 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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) [2023-12-02 20:51:33,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:33,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 20:51:33,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:33,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:51:33,894 INFO L378 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 9 [2023-12-02 20:51:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:51:33,970 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:51:33,970 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:51:33,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472470945] [2023-12-02 20:51:33,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472470945] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:51:33,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:51:33,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 20:51:33,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385611481] [2023-12-02 20:51:33,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:51:33,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 20:51:33,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:51:33,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 20:51:33,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 20:51:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:33,973 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:33,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2023-12-02 20:51:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:33,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:34,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:34,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:34,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:34,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:34,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:34,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:34,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:34,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:34,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:34,801 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2023-12-02 20:51:34,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:34,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1364232021, now seen corresponding path program 1 times [2023-12-02 20:51:34,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:51:34,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715043869] [2023-12-02 20:51:34,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:34,802 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 [2023-12-02 20:51:34,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:51:34,803 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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) [2023-12-02 20:51:34,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:34,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:51:34,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:34,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:51:34,984 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:51:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:51:35,031 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:51:35,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715043869] [2023-12-02 20:51:35,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1715043869] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:51:35,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:51:35,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-12-02 20:51:35,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978793430] [2023-12-02 20:51:35,032 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 20:51:35,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:51:35,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:51:35,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:51:35,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:51:35,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:35,034 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:35,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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) [2023-12-02 20:51:35,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:35,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:35,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:35,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:35,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:35,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:35,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:35,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:35,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-02 20:51:35,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:35,456 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2023-12-02 20:51:35,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:35,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1439748505, now seen corresponding path program 2 times [2023-12-02 20:51:35,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:51:35,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [239381278] [2023-12-02 20:51:35,458 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:51:35,458 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 [2023-12-02 20:51:35,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:51:35,459 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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) [2023-12-02 20:51:35,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:36,036 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:51:36,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:51:36,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 20:51:36,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:36,140 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:51:36,140 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:51:36,303 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:51:36,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:51:36,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [239381278] [2023-12-02 20:51:36,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [239381278] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:51:36,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:51:36,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-12-02 20:51:36,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041538197] [2023-12-02 20:51:36,304 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 20:51:36,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 20:51:36,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:51:36,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 20:51:36,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-12-02 20:51:36,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:36,306 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:36,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 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) [2023-12-02 20:51:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:37,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:37,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:37,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:37,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:37,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:37,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:37,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:37,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:37,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:51:37,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:37,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:37,263 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2023-12-02 20:51:37,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:37,264 INFO L85 PathProgramCache]: Analyzing trace with hash 855380391, now seen corresponding path program 3 times [2023-12-02 20:51:37,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:51:37,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880161742] [2023-12-02 20:51:37,265 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:51:37,265 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 [2023-12-02 20:51:37,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:51:37,266 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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) [2023-12-02 20:51:37,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:44,150 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2023-12-02 20:51:44,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:51:44,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 1427 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 20:51:44,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:44,442 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 3 proven. 415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:51:44,442 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:51:45,037 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 3 proven. 415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:51:45,037 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:51:45,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880161742] [2023-12-02 20:51:45,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880161742] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:51:45,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:51:45,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2023-12-02 20:51:45,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311233016] [2023-12-02 20:51:45,038 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 20:51:45,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-02 20:51:45,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:51:45,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-02 20:51:45,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2023-12-02 20:51:45,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:45,042 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:45,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.916666666666667) internal successors, (190), 24 states have internal predecessors, (190), 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) [2023-12-02 20:51:45,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:51:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:47,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:47,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:47,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:47,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:47,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:47,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:47,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:47,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:47,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:51:47,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:51:47,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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)] Ended with exit code 0 [2023-12-02 20:51:48,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:48,082 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2023-12-02 20:51:48,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:48,082 INFO L85 PathProgramCache]: Analyzing trace with hash 154208295, now seen corresponding path program 4 times [2023-12-02 20:51:48,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:51:48,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520769984] [2023-12-02 20:51:48,084 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 20:51:48,084 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 [2023-12-02 20:51:48,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:51:48,084 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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) [2023-12-02 20:51:48,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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 [2023-12-02 20:51:57,257 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 20:51:57,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:51:57,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 3035 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 20:51:57,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:57,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 3 proven. 2101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:51:57,871 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:51:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 3 proven. 2101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:51:59,362 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:51:59,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520769984] [2023-12-02 20:51:59,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520769984] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:51:59,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:51:59,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 48 [2023-12-02 20:51:59,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196011065] [2023-12-02 20:51:59,363 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 20:51:59,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-12-02 20:51:59,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:51:59,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-12-02 20:51:59,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=502, Invalid=1754, Unknown=0, NotChecked=0, Total=2256 [2023-12-02 20:51:59,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:59,368 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:59,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 8.458333333333334) internal successors, (406), 48 states have internal predecessors, (406), 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) [2023-12-02 20:51:59,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:59,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:59,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:59,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:59,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:51:59,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:59,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:59,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:59,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:51:59,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:51:59,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:52:05,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:05,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:52:05,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:05,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:05,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:52:05,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:52:05,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:52:05,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:52:05,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:52:05,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:52:05,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 20:52:05,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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)] Ended with exit code 0 [2023-12-02 20:52:05,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:52:05,902 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2023-12-02 20:52:05,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:52:05,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1015048409, now seen corresponding path program 5 times [2023-12-02 20:52:05,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:52:05,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [794978529] [2023-12-02 20:52:05,904 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-12-02 20:52:05,905 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 [2023-12-02 20:52:05,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:52:05,905 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -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) [2023-12-02 20:52:05,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976974d1-304b-4e1b-a4b3-76ebd5bda5d0/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process