./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:02:05,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:02:05,978 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2023-11-19 05:02:05,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:02:05,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:02:06,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:02:06,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:02:06,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:02:06,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:02:06,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:02:06,022 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:02:06,023 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:02:06,023 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:02:06,024 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:02:06,025 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:02:06,025 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:02:06,026 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:02:06,026 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:02:06,027 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:02:06,028 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:02:06,028 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:02:06,029 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:02:06,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:02:06,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:02:06,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:02:06,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:02:06,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:02:06,033 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:02:06,033 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:02:06,034 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:02:06,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:02:06,035 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:02:06,035 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:02:06,036 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:02:06,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:02:06,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:02:06,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:06,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:02:06,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:02:06,038 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:02:06,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:02:06,038 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:02:06,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:02:06,039 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 [2023-11-19 05:02:06,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:02:06,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:02:06,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:02:06,355 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:02:06,356 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:02:06,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2023-11-19 05:02:09,723 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:02:10,314 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:02:10,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2023-11-19 05:02:10,368 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/data/63c52242f/77712f15b0c64b8f91d5ee2b0dc6edc1/FLAG64573ee70 [2023-11-19 05:02:10,384 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/data/63c52242f/77712f15b0c64b8f91d5ee2b0dc6edc1 [2023-11-19 05:02:10,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:02:10,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:02:10,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:10,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:02:10,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:02:10,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:02:10" (1/1) ... [2023-11-19 05:02:10,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ca4ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:10, skipping insertion in model container [2023-11-19 05:02:10,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:02:10" (1/1) ... [2023-11-19 05:02:10,571 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:02:11,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:11,833 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) [2023-11-19 05:02:11,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@795835a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:11, skipping insertion in model container [2023-11-19 05:02:11,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:11,835 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:02:11,837 INFO L158 Benchmark]: Toolchain (without parser) took 1447.44ms. Allocated memory is still 148.9MB. Free memory was 98.4MB in the beginning and 69.7MB in the end (delta: 28.7MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2023-11-19 05:02:11,838 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:02:11,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1444.59ms. Allocated memory is still 148.9MB. Free memory was 98.0MB in the beginning and 69.7MB in the end (delta: 28.3MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2023-11-19 05:02:11,841 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1444.59ms. Allocated memory is still 148.9MB. Free memory was 98.0MB in the beginning and 69.7MB in the end (delta: 28.3MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2772]: 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_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:02:14,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:02:14,551 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2023-11-19 05:02:14,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:02:14,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:02:14,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:02:14,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:02:14,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:02:14,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:02:14,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:02:14,606 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:02:14,607 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:02:14,608 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:02:14,608 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:02:14,609 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:02:14,610 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:02:14,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:02:14,611 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:02:14,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:02:14,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:02:14,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:02:14,614 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:02:14,615 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:02:14,615 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:02:14,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:02:14,616 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:02:14,617 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:02:14,617 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:02:14,618 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:02:14,618 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:02:14,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:02:14,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:02:14,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:02:14,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:14,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:02:14,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:02:14,621 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:02:14,621 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:02:14,622 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:02:14,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:02:14,622 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_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 [2023-11-19 05:02:15,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:02:15,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:02:15,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:02:15,080 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:02:15,080 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:02:15,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2023-11-19 05:02:18,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:02:18,840 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:02:18,841 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2023-11-19 05:02:18,890 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/data/9e59dda32/3872b10c4c2b4c759d26c7366591094e/FLAGe05498a76 [2023-11-19 05:02:18,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/data/9e59dda32/3872b10c4c2b4c759d26c7366591094e [2023-11-19 05:02:18,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:02:18,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:02:18,922 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:18,922 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:02:18,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:02:18,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:02:18" (1/1) ... [2023-11-19 05:02:18,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17687db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:18, skipping insertion in model container [2023-11-19 05:02:18,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:02:18" (1/1) ... [2023-11-19 05:02:19,099 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:02:20,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:20,329 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 05:02:20,389 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:02:20,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:20,692 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:02:20,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2524] [2023-11-19 05:02:20,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2532] [2023-11-19 05:02:21,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:21,240 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:02:21,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:21 WrapperNode [2023-11-19 05:02:21,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:21,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:02:21,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:02:21,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:02:21,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:21" (1/1) ... [2023-11-19 05:02:21,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:21" (1/1) ... [2023-11-19 05:02:21,567 INFO L138 Inliner]: procedures = 115, calls = 3241, calls flagged for inlining = 42, calls inlined = 41, statements flattened = 4156 [2023-11-19 05:02:21,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:02:21,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:02:21,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:02:21,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:02:21,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:21" (1/1) ... [2023-11-19 05:02:21,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:21" (1/1) ... [2023-11-19 05:02:21,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:21" (1/1) ... [2023-11-19 05:02:21,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:21" (1/1) ... [2023-11-19 05:02:21,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:21" (1/1) ... [2023-11-19 05:02:21,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:21" (1/1) ... [2023-11-19 05:02:21,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:21" (1/1) ... [2023-11-19 05:02:21,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:21" (1/1) ... [2023-11-19 05:02:22,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:02:22,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:02:22,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:02:22,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:02:22,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:21" (1/1) ... [2023-11-19 05:02:22,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:22,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:02:22,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:02:22,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:02:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2023-11-19 05:02:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2023-11-19 05:02:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 05:02:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 05:02:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 05:02:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2023-11-19 05:02:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2023-11-19 05:02:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-19 05:02:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:02:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:02:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 05:02:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:02:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2023-11-19 05:02:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2023-11-19 05:02:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:02:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:02:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:02:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:02:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2023-11-19 05:02:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2023-11-19 05:02:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 05:02:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 05:02:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:02:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:02:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2023-11-19 05:02:22,166 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2023-11-19 05:02:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-19 05:02:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2023-11-19 05:02:22,166 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2023-11-19 05:02:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2023-11-19 05:02:22,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2023-11-19 05:02:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-19 05:02:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 05:02:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-19 05:02:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:02:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:02:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:02:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:02:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2023-11-19 05:02:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2023-11-19 05:02:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 05:02:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 05:02:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:02:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:02:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-19 05:02:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-19 05:02:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-19 05:02:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:02:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2023-11-19 05:02:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2023-11-19 05:02:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-19 05:02:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 05:02:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 05:02:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:02:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:02:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:02:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 05:02:22,170 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 05:02:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:02:22,170 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:02:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 05:02:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:02:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2023-11-19 05:02:22,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2023-11-19 05:02:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 05:02:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2023-11-19 05:02:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2023-11-19 05:02:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 05:02:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 05:02:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 05:02:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 05:02:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-19 05:02:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-19 05:02:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-19 05:02:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2023-11-19 05:02:22,172 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2023-11-19 05:02:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-19 05:02:22,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-19 05:02:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:02:22,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:02:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2023-11-19 05:02:22,172 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2023-11-19 05:02:22,559 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:02:22,563 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:02:24,572 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 05:02:43,002 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:02:43,024 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:02:43,025 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:02:43,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:43 BoogieIcfgContainer [2023-11-19 05:02:43,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:02:43,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:02:43,047 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:02:43,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:02:43,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:02:18" (1/3) ... [2023-11-19 05:02:43,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3204f164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:43, skipping insertion in model container [2023-11-19 05:02:43,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:21" (2/3) ... [2023-11-19 05:02:43,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3204f164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:43, skipping insertion in model container [2023-11-19 05:02:43,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:43" (3/3) ... [2023-11-19 05:02:43,054 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2023-11-19 05:02:43,075 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:02:43,075 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 795 error locations. [2023-11-19 05:02:43,187 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:02:43,194 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=FINITE_AUTOMATA, 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;@7413c1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:02:43,195 INFO L358 AbstractCegarLoop]: Starting to check reachability of 795 error locations. [2023-11-19 05:02:43,207 INFO L276 IsEmpty]: Start isEmpty. Operand has 1927 states, 942 states have (on average 2.0445859872611467) internal successors, (1926), 1748 states have internal predecessors, (1926), 165 states have call successors, (165), 26 states have call predecessors, (165), 26 states have return successors, (165), 161 states have call predecessors, (165), 165 states have call successors, (165) [2023-11-19 05:02:43,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 05:02:43,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:43,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:02:43,220 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr556ASSERT_VIOLATIONMEMORY_LEAK === [opl3_set_instrErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_set_instrErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_set_instrErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 792 more)] === [2023-11-19 05:02:43,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:43,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1094481443, now seen corresponding path program 1 times [2023-11-19 05:02:43,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:02:43,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424311003] [2023-11-19 05:02:43,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:43,255 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:02:43,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:02:43,258 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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) [2023-11-19 05:02:43,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:02:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:44,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 2954 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:02:44,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:02:44,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:02:44,804 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:02:44,809 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:02:44,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424311003] [2023-11-19 05:02:44,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1424311003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:44,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:44,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:02:44,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735238048] [2023-11-19 05:02:44,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:44,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:02:44,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:02:44,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:02:44,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:02:44,867 INFO L87 Difference]: Start difference. First operand has 1927 states, 942 states have (on average 2.0445859872611467) internal successors, (1926), 1748 states have internal predecessors, (1926), 165 states have call successors, (165), 26 states have call predecessors, (165), 26 states have return successors, (165), 161 states have call predecessors, (165), 165 states have call successors, (165) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 05:02:45,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:45,527 INFO L93 Difference]: Finished difference Result 3004 states and 3517 transitions. [2023-11-19 05:02:45,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:02:45,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2023-11-19 05:02:45,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:45,569 INFO L225 Difference]: With dead ends: 3004 [2023-11-19 05:02:45,570 INFO L226 Difference]: Without dead ends: 3000 [2023-11-19 05:02:45,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:02:45,576 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 3302 mSDsluCounter, 3314 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3383 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:45,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3383 Valid, 5560 Invalid, 172 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [163 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:02:45,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3000 states. [2023-11-19 05:02:45,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3000 to 1925. [2023-11-19 05:02:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1925 states, 941 states have (on average 2.0382571732199786) internal successors, (1918), 1746 states have internal predecessors, (1918), 165 states have call successors, (165), 26 states have call predecessors, (165), 26 states have return successors, (165), 161 states have call predecessors, (165), 165 states have call successors, (165) [2023-11-19 05:02:45,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 2248 transitions. [2023-11-19 05:02:45,732 INFO L78 Accepts]: Start accepts. Automaton has 1925 states and 2248 transitions. Word has length 19 [2023-11-19 05:02:45,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:45,733 INFO L495 AbstractCegarLoop]: Abstraction has 1925 states and 2248 transitions. [2023-11-19 05:02:45,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 05:02:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2248 transitions. [2023-11-19 05:02:45,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 05:02:45,736 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:45,736 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:02:45,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:02:45,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:02:45,966 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr548REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [opl3_set_instrErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_set_instrErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_set_instrErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 792 more)] === [2023-11-19 05:02:45,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:45,966 INFO L85 PathProgramCache]: Analyzing trace with hash 823475095, now seen corresponding path program 1 times [2023-11-19 05:02:45,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:02:45,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670012374] [2023-11-19 05:02:45,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:45,973 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 [2023-11-19 05:02:45,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:02:45,975 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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) [2023-11-19 05:02:46,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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 [2023-11-19 05:02:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:47,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 2963 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:02:47,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:02:47,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 05:02:47,837 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:02:47,837 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:02:47,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670012374] [2023-11-19 05:02:47,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1670012374] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:47,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:47,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:02:47,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583140854] [2023-11-19 05:02:47,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:47,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:02:47,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:02:47,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:02:47,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:02:47,841 INFO L87 Difference]: Start difference. First operand 1925 states and 2248 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 05:02:56,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:56,913 INFO L93 Difference]: Finished difference Result 3558 states and 4139 transitions. [2023-11-19 05:02:56,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:02:56,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2023-11-19 05:02:56,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:56,943 INFO L225 Difference]: With dead ends: 3558 [2023-11-19 05:02:56,943 INFO L226 Difference]: Without dead ends: 3558 [2023-11-19 05:02:56,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:02:56,945 INFO L413 NwaCegarLoop]: 1940 mSDtfsCounter, 1890 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1890 SdHoareTripleChecker+Valid, 3679 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:56,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1890 Valid, 3679 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2023-11-19 05:02:56,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3558 states. [2023-11-19 05:02:57,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3558 to 2861. [2023-11-19 05:02:57,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2861 states, 1734 states have (on average 2.050749711649366) internal successors, (3556), 2547 states have internal predecessors, (3556), 288 states have call successors, (288), 48 states have call predecessors, (288), 48 states have return successors, (288), 280 states have call predecessors, (288), 288 states have call successors, (288) [2023-11-19 05:02:57,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2861 states and 4132 transitions. [2023-11-19 05:02:57,121 INFO L78 Accepts]: Start accepts. Automaton has 2861 states and 4132 transitions. Word has length 24 [2023-11-19 05:02:57,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:57,121 INFO L495 AbstractCegarLoop]: Abstraction has 2861 states and 4132 transitions. [2023-11-19 05:02:57,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 05:02:57,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2861 states and 4132 transitions. [2023-11-19 05:02:57,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 05:02:57,124 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:57,124 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:02:57,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:02:57,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:02:57,342 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [opl3_set_instrErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_set_instrErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_set_instrErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 792 more)] === [2023-11-19 05:02:57,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:57,343 INFO L85 PathProgramCache]: Analyzing trace with hash 828372719, now seen corresponding path program 1 times [2023-11-19 05:02:57,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:02:57,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950117184] [2023-11-19 05:02:57,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:57,348 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 [2023-11-19 05:02:57,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:02:57,404 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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) [2023-11-19 05:02:57,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7119d17-dbf2-4e90-849f-c52e9c90888e/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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