./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbdd132d1a656eb04120c9309772a096548e218c86a32fc06dd93d5ae981c163 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 14:08:33,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 14:08:33,606 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2023-11-06 14:08:33,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 14:08:33,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 14:08:33,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 14:08:33,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 14:08:33,639 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 14:08:33,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 14:08:33,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 14:08:33,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 14:08:33,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 14:08:33,642 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 14:08:33,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 14:08:33,643 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 14:08:33,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 14:08:33,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 14:08:33,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 14:08:33,645 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 14:08:33,646 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 14:08:33,646 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 14:08:33,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 14:08:33,647 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 14:08:33,648 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 14:08:33,648 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 14:08:33,648 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 14:08:33,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 14:08:33,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 14:08:33,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 14:08:33,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 14:08:33,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 14:08:33,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 14:08:33,652 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 14:08:33,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 14:08:33,653 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-06 14:08:33,654 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-06 14:08:33,654 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-06 14:08:33,655 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-06 14:08:33,655 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-06 14:08:33,655 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_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbdd132d1a656eb04120c9309772a096548e218c86a32fc06dd93d5ae981c163 [2023-11-06 14:08:33,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 14:08:33,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 14:08:33,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 14:08:33,959 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 14:08:33,959 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 14:08:33,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2023-11-06 14:08:37,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 14:08:37,388 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 14:08:37,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2023-11-06 14:08:37,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/data/20537115a/c1f8971479364efab320925e8ddf6179/FLAG84574339c [2023-11-06 14:08:37,447 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/data/20537115a/c1f8971479364efab320925e8ddf6179 [2023-11-06 14:08:37,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 14:08:37,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 14:08:37,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 14:08:37,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 14:08:37,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 14:08:37,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:08:37" (1/1) ... [2023-11-06 14:08:37,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc00797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:37, skipping insertion in model container [2023-11-06 14:08:37,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:08:37" (1/1) ... [2023-11-06 14:08:37,562 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 14:08:37,777 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 14:08:38,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 14:08:38,511 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) [2023-11-06 14:08:38,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77ed9617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:38, skipping insertion in model container [2023-11-06 14:08:38,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 14:08:38,513 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 14:08:38,516 INFO L158 Benchmark]: Toolchain (without parser) took 1056.50ms. Allocated memory is still 121.6MB. Free memory was 81.4MB in the beginning and 63.0MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 14:08:38,517 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 14:08:38,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1050.30ms. Allocated memory is still 121.6MB. Free memory was 81.1MB in the beginning and 63.0MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 14:08:38,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1050.30ms. Allocated memory is still 121.6MB. Free memory was 81.1MB in the beginning and 63.0MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1691]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbdd132d1a656eb04120c9309772a096548e218c86a32fc06dd93d5ae981c163 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 14:08:41,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 14:08:41,204 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2023-11-06 14:08:41,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 14:08:41,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 14:08:41,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 14:08:41,239 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 14:08:41,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 14:08:41,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 14:08:41,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 14:08:41,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 14:08:41,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 14:08:41,246 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 14:08:41,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 14:08:41,251 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 14:08:41,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 14:08:41,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 14:08:41,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 14:08:41,255 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 14:08:41,255 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 14:08:41,256 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 14:08:41,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 14:08:41,256 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 14:08:41,257 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 14:08:41,257 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 14:08:41,258 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 14:08:41,258 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 14:08:41,259 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 14:08:41,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 14:08:41,260 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 14:08:41,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 14:08:41,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 14:08:41,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 14:08:41,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 14:08:41,263 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 14:08:41,263 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 14:08:41,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-06 14:08:41,263 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-06 14:08:41,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-06 14:08:41,265 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-06 14:08:41,265 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-06 14:08:41,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 14:08:41,266 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_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbdd132d1a656eb04120c9309772a096548e218c86a32fc06dd93d5ae981c163 [2023-11-06 14:08:41,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 14:08:41,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 14:08:41,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 14:08:41,742 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 14:08:41,743 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 14:08:41,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2023-11-06 14:08:44,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 14:08:45,488 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 14:08:45,490 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2023-11-06 14:08:45,523 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/data/ed6aa38fe/92cd0234f7a9491c8bc57c29b8982176/FLAG0808d4355 [2023-11-06 14:08:45,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/data/ed6aa38fe/92cd0234f7a9491c8bc57c29b8982176 [2023-11-06 14:08:45,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 14:08:45,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 14:08:45,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 14:08:45,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 14:08:45,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 14:08:45,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:08:45" (1/1) ... [2023-11-06 14:08:45,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a3aae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:45, skipping insertion in model container [2023-11-06 14:08:45,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:08:45" (1/1) ... [2023-11-06 14:08:45,659 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 14:08:45,898 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 14:08:46,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 14:08:46,871 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 14:08:46,886 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 14:08:46,890 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 14:08:46,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 14:08:46,976 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 14:08:46,988 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 14:08:47,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 14:08:47,260 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 14:08:47,260 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 14:08:47,260 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 14:08:47,268 INFO L206 MainTranslator]: Completed translation [2023-11-06 14:08:47,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:47 WrapperNode [2023-11-06 14:08:47,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 14:08:47,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 14:08:47,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 14:08:47,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 14:08:47,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:47" (1/1) ... [2023-11-06 14:08:47,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:47" (1/1) ... [2023-11-06 14:08:47,350 INFO L138 Inliner]: procedures = 472, calls = 49, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 126 [2023-11-06 14:08:47,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 14:08:47,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 14:08:47,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 14:08:47,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 14:08:47,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:47" (1/1) ... [2023-11-06 14:08:47,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:47" (1/1) ... [2023-11-06 14:08:47,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:47" (1/1) ... [2023-11-06 14:08:47,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:47" (1/1) ... [2023-11-06 14:08:47,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:47" (1/1) ... [2023-11-06 14:08:47,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:47" (1/1) ... [2023-11-06 14:08:47,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:47" (1/1) ... [2023-11-06 14:08:47,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:47" (1/1) ... [2023-11-06 14:08:47,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 14:08:47,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 14:08:47,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 14:08:47,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 14:08:47,416 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:47" (1/1) ... [2023-11-06 14:08:47,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 14:08:47,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/z3 [2023-11-06 14:08:47,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 14:08:47,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 14:08:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 14:08:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 14:08:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 14:08:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-06 14:08:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 14:08:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 14:08:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 14:08:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 14:08:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 14:08:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 14:08:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-06 14:08:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-06 14:08:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 14:08:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 14:08:47,546 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 14:08:48,024 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 14:08:48,027 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 14:08:48,624 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 14:08:48,651 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 14:08:48,652 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 14:08:48,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:08:48 BoogieIcfgContainer [2023-11-06 14:08:48,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 14:08:48,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 14:08:48,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 14:08:48,662 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 14:08:48,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:08:45" (1/3) ... [2023-11-06 14:08:48,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5947fb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:08:48, skipping insertion in model container [2023-11-06 14:08:48,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:47" (2/3) ... [2023-11-06 14:08:48,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5947fb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:08:48, skipping insertion in model container [2023-11-06 14:08:48,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:08:48" (3/3) ... [2023-11-06 14:08:48,665 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2023-11-06 14:08:48,686 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 14:08:48,686 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2023-11-06 14:08:48,686 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 14:08:48,847 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 14:08:48,915 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 14:08:48,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-06 14:08:48,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/z3 [2023-11-06 14:08:48,925 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-06 14:08:48,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-06 14:08:48,995 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-06 14:08:49,008 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == my_callbackThread1of1ForFork0 ======== [2023-11-06 14:08:49,015 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;@242b3ec9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 14:08:49,015 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-06 14:08:49,387 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, my_callbackErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2023-11-06 14:08:49,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:08:49,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1000602944, now seen corresponding path program 1 times [2023-11-06 14:08:49,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 14:08:49,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2122101605] [2023-11-06 14:08:49,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:08:49,410 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 [2023-11-06 14:08:49,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat [2023-11-06 14:08:49,446 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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) [2023-11-06 14:08:49,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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 [2023-11-06 14:08:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:08:49,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 14:08:49,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 14:08:49,783 INFO L351 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 [2023-11-06 14:08:50,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:08:50,076 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 14:08:50,076 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 14:08:50,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2122101605] [2023-11-06 14:08:50,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2122101605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:08:50,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:08:50,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 14:08:50,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068680420] [2023-11-06 14:08:50,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:08:50,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 14:08:50,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 14:08:50,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 14:08:50,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-06 14:08:50,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:50,119 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:08:50,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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) [2023-11-06 14:08:50,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 14:08:51,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-06 14:08:51,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 14:08:51,411 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, my_callbackErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2023-11-06 14:08:51,411 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:08:51,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1000602945, now seen corresponding path program 1 times [2023-11-06 14:08:51,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 14:08:51,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036409056] [2023-11-06 14:08:51,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:08:51,414 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 [2023-11-06 14:08:51,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat [2023-11-06 14:08:51,418 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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) [2023-11-06 14:08:51,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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 [2023-11-06 14:08:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:08:51,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-06 14:08:51,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 14:08:51,681 INFO L351 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 [2023-11-06 14:08:52,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:08:52,054 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 14:08:52,054 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 14:08:52,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036409056] [2023-11-06 14:08:52,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036409056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:08:52,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:08:52,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 14:08:52,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248276055] [2023-11-06 14:08:52,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:08:52,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 14:08:52,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 14:08:52,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 14:08:52,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-06 14:08:52,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:52,068 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:08:52,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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) [2023-11-06 14:08:52,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-06 14:08:52,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:54,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 14:08:54,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 14:08:54,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 14:08:54,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 14:08:54,513 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, my_callbackErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2023-11-06 14:08:54,514 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:08:54,514 INFO L85 PathProgramCache]: Analyzing trace with hash -926227863, now seen corresponding path program 1 times [2023-11-06 14:08:54,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 14:08:54,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815314652] [2023-11-06 14:08:54,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:08:54,516 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 14:08:54,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat [2023-11-06 14:08:54,517 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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) [2023-11-06 14:08:54,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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 [2023-11-06 14:08:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:08:54,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-06 14:08:54,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 14:08:54,884 INFO L351 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 [2023-11-06 14:08:54,890 INFO L351 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 [2023-11-06 14:08:55,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 14:08:55,636 INFO L351 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 [2023-11-06 14:08:55,657 INFO L322 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-06 14:08:55,662 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-06 14:08:55,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:08:55,698 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 14:08:55,698 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 14:08:55,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815314652] [2023-11-06 14:08:55,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815314652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:08:55,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:08:55,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 14:08:55,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699130913] [2023-11-06 14:08:55,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:08:55,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 14:08:55,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 14:08:55,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 14:08:55,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2023-11-06 14:08:55,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:55,708 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:08:55,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.833333333333333) internal successors, (70), 13 states have internal predecessors, (70), 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) [2023-11-06 14:08:55,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-06 14:08:55,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-06 14:08:55,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 14:08:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 14:08:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 14:08:59,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-06 14:08:59,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 14:08:59,782 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, my_callbackErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2023-11-06 14:08:59,783 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:08:59,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1095262746, now seen corresponding path program 1 times [2023-11-06 14:08:59,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 14:08:59,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172613790] [2023-11-06 14:08:59,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:08:59,785 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 [2023-11-06 14:08:59,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat [2023-11-06 14:08:59,788 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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) [2023-11-06 14:08:59,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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 [2023-11-06 14:09:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:09:00,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 14:09:00,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 14:09:00,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:09:00,152 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 14:09:00,152 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 14:09:00,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1172613790] [2023-11-06 14:09:00,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1172613790] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:09:00,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:09:00,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 14:09:00,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617382372] [2023-11-06 14:09:00,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:09:00,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 14:09:00,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 14:09:00,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 14:09:00,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 14:09:00,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:00,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:09:00,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 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) [2023-11-06 14:09:00,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-06 14:09:00,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-06 14:09:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-06 14:09:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:00,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 14:09:00,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 14:09:00,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 14:09:00,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:00,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 6 remaining) [2023-11-06 14:09:00,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 6 remaining) [2023-11-06 14:09:00,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 6 remaining) [2023-11-06 14:09:00,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 6 remaining) [2023-11-06 14:09:00,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 6 remaining) [2023-11-06 14:09:00,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 6 remaining) [2023-11-06 14:09:00,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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 [2023-11-06 14:09:00,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 14:09:00,910 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 14:09:00,912 INFO L307 ceAbstractionStarter]: Result for error location my_callbackThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2023-11-06 14:09:00,918 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 14:09:00,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-06 14:09:00,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/z3 [2023-11-06 14:09:00,921 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-06 14:09:00,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2023-11-06 14:09:00,934 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-06 14:09:00,935 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-06 14:09:00,936 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;@242b3ec9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 14:09:00,936 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2023-11-06 14:09:00,991 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-06 14:09:00,993 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:09:00,993 INFO L85 PathProgramCache]: Analyzing trace with hash 116350021, now seen corresponding path program 1 times [2023-11-06 14:09:00,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 14:09:00,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1078589179] [2023-11-06 14:09:00,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:09:00,996 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 14:09:00,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat [2023-11-06 14:09:01,005 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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) [2023-11-06 14:09:01,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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 [2023-11-06 14:09:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:09:01,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 14:09:01,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 14:09:01,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:09:01,237 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 14:09:01,237 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 14:09:01,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1078589179] [2023-11-06 14:09:01,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1078589179] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:09:01,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:09:01,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 14:09:01,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17757407] [2023-11-06 14:09:01,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:09:01,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 14:09:01,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 14:09:01,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 14:09:01,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 14:09:01,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:01,240 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:09:01,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2023-11-06 14:09:01,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:01,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:01,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-06 14:09:01,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 14:09:01,518 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-06 14:09:01,518 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:09:01,518 INFO L85 PathProgramCache]: Analyzing trace with hash 249589179, now seen corresponding path program 1 times [2023-11-06 14:09:01,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 14:09:01,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [762527381] [2023-11-06 14:09:01,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:09:01,519 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 [2023-11-06 14:09:01,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat [2023-11-06 14:09:01,520 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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) [2023-11-06 14:09:01,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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 [2023-11-06 14:09:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:09:01,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 14:09:01,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 14:09:01,837 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 14:09:01,837 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 14:09:01,838 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 14:09:01,842 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2023-11-06 14:09:01,920 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 14:09:01,920 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 88 treesize of output 63 [2023-11-06 14:09:01,997 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 14:09:01,998 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 84 treesize of output 30 [2023-11-06 14:09:02,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:09:02,058 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 14:09:02,058 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 14:09:02,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [762527381] [2023-11-06 14:09:02,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [762527381] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:09:02,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:09:02,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 14:09:02,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732778638] [2023-11-06 14:09:02,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:09:02,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 14:09:02,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 14:09:02,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 14:09:02,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 14:09:02,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:02,062 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:09:02,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 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) [2023-11-06 14:09:02,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:02,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:02,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:02,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 14:09:02,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-06 14:09:02,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 14:09:02,769 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-06 14:09:02,770 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:09:02,770 INFO L85 PathProgramCache]: Analyzing trace with hash 968781656, now seen corresponding path program 1 times [2023-11-06 14:09:02,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 14:09:02,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [423495081] [2023-11-06 14:09:02,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:09:02,771 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 [2023-11-06 14:09:02,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat [2023-11-06 14:09:02,772 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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) [2023-11-06 14:09:02,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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 [2023-11-06 14:09:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:09:03,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 14:09:03,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 14:09:03,077 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 14:09:03,078 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 14:09:03,078 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 14:09:03,081 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2023-11-06 14:09:03,332 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 14:09:03,333 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 26 [2023-11-06 14:09:03,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:09:03,394 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 14:09:03,394 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 14:09:03,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [423495081] [2023-11-06 14:09:03,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [423495081] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:09:03,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:09:03,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 14:09:03,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290996481] [2023-11-06 14:09:03,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:09:03,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 14:09:03,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 14:09:03,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 14:09:03,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 14:09:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:03,397 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:09:03,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 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) [2023-11-06 14:09:03,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:03,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-06 14:09:03,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:03,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:03,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 14:09:03,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:03,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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 [2023-11-06 14:09:03,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 14:09:03,983 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-06 14:09:03,983 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:09:03,983 INFO L85 PathProgramCache]: Analyzing trace with hash -438587762, now seen corresponding path program 1 times [2023-11-06 14:09:03,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 14:09:03,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796093547] [2023-11-06 14:09:03,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:09:03,984 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 [2023-11-06 14:09:03,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat [2023-11-06 14:09:03,985 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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) [2023-11-06 14:09:03,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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 [2023-11-06 14:09:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:09:04,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 14:09:04,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 14:09:04,615 WARN L861 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~#data~1#1.base| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~#data~1#1.base| (_ bv0 1))) (= (select |c_ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~#data~1#1.base|) (_ bv0 1)))) is different from true [2023-11-06 14:09:04,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:09:04,638 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 14:09:04,638 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 14:09:04,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796093547] [2023-11-06 14:09:04,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [796093547] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:09:04,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:09:04,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 14:09:04,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948712615] [2023-11-06 14:09:04,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:09:04,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 14:09:04,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 14:09:04,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 14:09:04,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2023-11-06 14:09:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:04,641 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:09:04,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 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) [2023-11-06 14:09:04,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:04,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-06 14:09:04,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:04,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:04,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:04,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 14:09:04,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:04,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:04,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-11-06 14:09:05,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 14:09:05,095 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-06 14:09:05,095 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:09:05,095 INFO L85 PathProgramCache]: Analyzing trace with hash -852386580, now seen corresponding path program 1 times [2023-11-06 14:09:05,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 14:09:05,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200202323] [2023-11-06 14:09:05,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:09:05,096 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 14:09:05,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat [2023-11-06 14:09:05,098 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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) [2023-11-06 14:09:05,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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 [2023-11-06 14:09:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:09:05,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 14:09:05,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 14:09:05,317 INFO L351 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 [2023-11-06 14:09:05,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:09:05,403 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 14:09:05,403 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 14:09:05,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200202323] [2023-11-06 14:09:05,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [200202323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:09:05,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:09:05,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 14:09:05,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347813102] [2023-11-06 14:09:05,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:09:05,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 14:09:05,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 14:09:05,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 14:09:05,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 14:09:05,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:05,406 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:09:05,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2023-11-06 14:09:05,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:05,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-06 14:09:05,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:05,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:05,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:05,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 14:09:05,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:05,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:05,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 14:09:05,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-11-06 14:09:05,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 14:09:05,722 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-06 14:09:05,723 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:09:05,723 INFO L85 PathProgramCache]: Analyzing trace with hash -852386579, now seen corresponding path program 1 times [2023-11-06 14:09:05,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 14:09:05,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1247779641] [2023-11-06 14:09:05,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:09:05,724 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 [2023-11-06 14:09:05,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat [2023-11-06 14:09:05,728 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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) [2023-11-06 14:09:05,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035b4eb-22b8-4a49-b79e-0b1e73a3839c/bin/ugemcutter-verify-t8buoWUS1i/mathsat -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