./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a 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_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c763f0e5b490114d32e3c1ec14f736caee058b985a7ee61f4d14ad6758e2996 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:17:38,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:17:38,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-31 22:17:38,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:17:38,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:17:38,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:17:38,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:17:38,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:17:38,371 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:17:38,372 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:17:38,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:17:38,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:17:38,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:17:38,374 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:17:38,374 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:17:38,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:17:38,375 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:17:38,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:17:38,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:17:38,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:17:38,376 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 22:17:38,377 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 22:17:38,377 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-31 22:17:38,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:17:38,378 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:17:38,378 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:17:38,378 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:17:38,379 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:17:38,379 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:17:38,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:17:38,380 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:17:38,380 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:17:38,380 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:17:38,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:38,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:17:38,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:17:38,382 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:17:38,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:17:38,382 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:17:38,382 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:17:38,383 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:17:38,383 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:17:38,383 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c763f0e5b490114d32e3c1ec14f736caee058b985a7ee61f4d14ad6758e2996 [2024-10-31 22:17:38,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:17:38,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:17:38,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:17:38,723 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:17:38,724 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:17:38,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-2.i Unable to find full path for "g++" [2024-10-31 22:17:41,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:17:41,389 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:17:41,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-2.i [2024-10-31 22:17:41,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/data/85e14c42b/c1fa4b1e850b41d8bdd48bd0e1645100/FLAGa14d30490 [2024-10-31 22:17:41,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/data/85e14c42b/c1fa4b1e850b41d8bdd48bd0e1645100 [2024-10-31 22:17:41,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:17:41,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:17:41,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:41,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:17:41,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:17:41,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:41" (1/1) ... [2024-10-31 22:17:41,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e90024d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:41, skipping insertion in model container [2024-10-31 22:17:41,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:41" (1/1) ... [2024-10-31 22:17:41,711 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:17:42,403 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:42,456 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:42,461 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:42,466 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:42,484 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:42,525 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:42,528 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:42,531 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:42,538 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:42,564 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:42,568 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:42,576 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:42,578 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:42,579 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:42,580 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:42,585 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:42,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:42,635 ERROR L321 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) [2024-10-31 22:17:42,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ef16ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:42, skipping insertion in model container [2024-10-31 22:17:42,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:42,637 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-31 22:17:42,639 INFO L158 Benchmark]: Toolchain (without parser) took 1014.53ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 96.1MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-31 22:17:42,640 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:17:42,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1011.72ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 96.1MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-31 22:17:42,642 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 104.9MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1011.72ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 96.1MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 754]: 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_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c763f0e5b490114d32e3c1ec14f736caee058b985a7ee61f4d14ad6758e2996 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:17:45,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:17:45,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-10-31 22:17:45,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:17:45,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:17:45,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:17:45,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:17:45,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:17:45,364 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:17:45,365 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:17:45,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:17:45,366 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:17:45,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:17:45,367 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:17:45,367 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:17:45,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:17:45,368 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:17:45,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:17:45,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:17:45,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:17:45,373 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 22:17:45,376 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 22:17:45,376 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-31 22:17:45,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:17:45,377 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:17:45,377 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:17:45,377 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:17:45,378 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:17:45,378 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:17:45,378 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:17:45,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:17:45,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:17:45,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:17:45,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:17:45,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:17:45,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:45,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:17:45,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:17:45,383 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:17:45,383 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:17:45,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:17:45,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:17:45,391 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:17:45,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:17:45,392 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:17:45,392 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c763f0e5b490114d32e3c1ec14f736caee058b985a7ee61f4d14ad6758e2996 [2024-10-31 22:17:45,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:17:45,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:17:45,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:17:45,816 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:17:45,818 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:17:45,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-2.i Unable to find full path for "g++" [2024-10-31 22:17:47,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:17:48,222 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:17:48,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-2.i [2024-10-31 22:17:48,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/data/5ac49c100/d8f85aca71744389b1b2b8c555eb6f0c/FLAGfc06e3630 [2024-10-31 22:17:48,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/data/5ac49c100/d8f85aca71744389b1b2b8c555eb6f0c [2024-10-31 22:17:48,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:17:48,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:17:48,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:48,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:17:48,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:17:48,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:48" (1/1) ... [2024-10-31 22:17:48,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a9858a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:48, skipping insertion in model container [2024-10-31 22:17:48,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:48" (1/1) ... [2024-10-31 22:17:48,339 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:17:48,953 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,003 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,014 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,022 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,037 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,094 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,101 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,108 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,113 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,128 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,130 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,132 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,134 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,135 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,136 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,140 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:49,174 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-31 22:17:49,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:17:49,230 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,253 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,256 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,262 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,270 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,311 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,313 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,316 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,320 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,328 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,329 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,331 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,332 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,333 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,333 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,347 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:17:49,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:49,356 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:17:49,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:49,500 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:17:49,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:49 WrapperNode [2024-10-31 22:17:49,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:49,502 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:49,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:17:49,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:17:49,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:49" (1/1) ... [2024-10-31 22:17:49,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:49" (1/1) ... [2024-10-31 22:17:49,639 INFO L138 Inliner]: procedures = 179, calls = 377, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1311 [2024-10-31 22:17:49,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:49,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:17:49,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:17:49,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:17:49,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:49" (1/1) ... [2024-10-31 22:17:49,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:49" (1/1) ... [2024-10-31 22:17:49,679 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:49" (1/1) ... [2024-10-31 22:17:49,831 INFO L175 MemorySlicer]: Split 357 memory accesses to 2 slices as follows [2, 355]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 90 writes are split as follows [0, 90]. [2024-10-31 22:17:49,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:49" (1/1) ... [2024-10-31 22:17:49,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:49" (1/1) ... [2024-10-31 22:17:49,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:49" (1/1) ... [2024-10-31 22:17:49,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:49" (1/1) ... [2024-10-31 22:17:49,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:49" (1/1) ... [2024-10-31 22:17:49,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:49" (1/1) ... [2024-10-31 22:17:49,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:17:49,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:17:49,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:17:49,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:17:49,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:49" (1/1) ... [2024-10-31 22:17:50,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:50,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:50,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:50,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:17:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-10-31 22:17:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-10-31 22:17:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-31 22:17:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-31 22:17:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-31 22:17:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-31 22:17:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-31 22:17:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-31 22:17:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:17:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:17:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:17:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:17:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:17:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:17:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:17:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-31 22:17:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-31 22:17:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:17:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-31 22:17:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:17:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:17:50,413 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:17:50,416 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:17:50,420 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-31 22:17:50,488 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-31 22:17:57,047 INFO L? ?]: Removed 1538 outVars from TransFormulas that were not future-live. [2024-10-31 22:17:57,047 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:17:57,084 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:17:57,085 INFO L316 CfgBuilder]: Removed 69 assume(true) statements. [2024-10-31 22:17:57,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:57 BoogieIcfgContainer [2024-10-31 22:17:57,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:17:57,087 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:17:57,088 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:17:57,091 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:17:57,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:17:48" (1/3) ... [2024-10-31 22:17:57,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68446176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:57, skipping insertion in model container [2024-10-31 22:17:57,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:49" (2/3) ... [2024-10-31 22:17:57,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68446176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:57, skipping insertion in model container [2024-10-31 22:17:57,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:57" (3/3) ... [2024-10-31 22:17:57,094 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_nondet_test4-2.i [2024-10-31 22:17:57,114 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:17:57,114 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 733 error locations. [2024-10-31 22:17:57,190 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:17:57,196 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@7824a9b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:17:57,196 INFO L334 AbstractCegarLoop]: Starting to check reachability of 733 error locations. [2024-10-31 22:17:57,207 INFO L276 IsEmpty]: Start isEmpty. Operand has 1431 states, 696 states have (on average 2.2456896551724137) internal successors, (1563), 1423 states have internal predecessors, (1563), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:17:57,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-31 22:17:57,214 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:57,215 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-31 22:17:57,215 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr732ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 730 more)] === [2024-10-31 22:17:57,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:57,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1481810, now seen corresponding path program 1 times [2024-10-31 22:17:57,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:17:57,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748803425] [2024-10-31 22:17:57,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:57,236 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 [2024-10-31 22:17:57,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:17:57,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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) [2024-10-31 22:17:57,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 22:17:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:57,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:17:57,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:57,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:57,507 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:17:57,507 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:17:57,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1748803425] [2024-10-31 22:17:57,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1748803425] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:57,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:57,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:57,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3948859] [2024-10-31 22:17:57,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:57,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:57,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:17:57,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:57,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:57,572 INFO L87 Difference]: Start difference. First operand has 1431 states, 696 states have (on average 2.2456896551724137) internal successors, (1563), 1423 states have internal predecessors, (1563), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:00,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:00,958 INFO L93 Difference]: Finished difference Result 1621 states and 1700 transitions. [2024-10-31 22:18:00,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:00,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-31 22:18:00,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:00,980 INFO L225 Difference]: With dead ends: 1621 [2024-10-31 22:18:00,981 INFO L226 Difference]: Without dead ends: 1617 [2024-10-31 22:18:00,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:00,986 INFO L432 NwaCegarLoop]: 1382 mSDtfsCounter, 219 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 2136 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:00,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 2136 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-31 22:18:01,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2024-10-31 22:18:01,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1429. [2024-10-31 22:18:01,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 705 states have (on average 2.120567375886525) internal successors, (1495), 1421 states have internal predecessors, (1495), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:18:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 1507 transitions. [2024-10-31 22:18:01,114 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 1507 transitions. Word has length 4 [2024-10-31 22:18:01,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:01,114 INFO L471 AbstractCegarLoop]: Abstraction has 1429 states and 1507 transitions. [2024-10-31 22:18:01,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1507 transitions. [2024-10-31 22:18:01,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 22:18:01,119 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:01,120 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:18:01,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 22:18:01,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:18:01,325 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 730 more)] === [2024-10-31 22:18:01,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:01,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1422076526, now seen corresponding path program 1 times [2024-10-31 22:18:01,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:18:01,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1521737980] [2024-10-31 22:18:01,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:01,331 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 [2024-10-31 22:18:01,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:18:01,337 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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) [2024-10-31 22:18:01,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 22:18:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:01,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:18:01,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:01,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-10-31 22:18:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:01,545 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:01,545 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:18:01,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1521737980] [2024-10-31 22:18:01,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1521737980] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:01,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:01,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:01,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829772630] [2024-10-31 22:18:01,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:01,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:01,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:18:01,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:01,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:01,550 INFO L87 Difference]: Start difference. First operand 1429 states and 1507 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:04,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:04,806 INFO L93 Difference]: Finished difference Result 1335 states and 1411 transitions. [2024-10-31 22:18:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:04,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-31 22:18:04,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:04,812 INFO L225 Difference]: With dead ends: 1335 [2024-10-31 22:18:04,813 INFO L226 Difference]: Without dead ends: 1335 [2024-10-31 22:18:04,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:04,814 INFO L432 NwaCegarLoop]: 770 mSDtfsCounter, 1029 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:04,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1035 Valid, 880 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-31 22:18:04,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2024-10-31 22:18:04,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1335. [2024-10-31 22:18:04,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 705 states have (on average 1.9843971631205675) internal successors, (1399), 1327 states have internal predecessors, (1399), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:18:04,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1411 transitions. [2024-10-31 22:18:04,860 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1411 transitions. Word has length 6 [2024-10-31 22:18:04,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:04,860 INFO L471 AbstractCegarLoop]: Abstraction has 1335 states and 1411 transitions. [2024-10-31 22:18:04,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:04,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1411 transitions. [2024-10-31 22:18:04,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 22:18:04,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:04,861 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:18:04,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 22:18:05,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:18:05,064 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 730 more)] === [2024-10-31 22:18:05,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:05,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1422076527, now seen corresponding path program 1 times [2024-10-31 22:18:05,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:18:05,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20903036] [2024-10-31 22:18:05,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:05,066 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 [2024-10-31 22:18:05,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:18:05,071 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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) [2024-10-31 22:18:05,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 22:18:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:05,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:18:05,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:05,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-31 22:18:05,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:05,262 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:05,262 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:18:05,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20903036] [2024-10-31 22:18:05,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [20903036] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:05,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:05,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:05,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083936941] [2024-10-31 22:18:05,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:05,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:05,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:18:05,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:05,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:05,267 INFO L87 Difference]: Start difference. First operand 1335 states and 1411 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:09,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:09,152 INFO L93 Difference]: Finished difference Result 1655 states and 1751 transitions. [2024-10-31 22:18:09,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:09,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-31 22:18:09,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:09,158 INFO L225 Difference]: With dead ends: 1655 [2024-10-31 22:18:09,158 INFO L226 Difference]: Without dead ends: 1655 [2024-10-31 22:18:09,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:09,160 INFO L432 NwaCegarLoop]: 1136 mSDtfsCounter, 522 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 1684 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:09,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 1684 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-31 22:18:09,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2024-10-31 22:18:09,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1502. [2024-10-31 22:18:09,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1502 states, 882 states have (on average 1.9489795918367347) internal successors, (1719), 1494 states have internal predecessors, (1719), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:18:09,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 1731 transitions. [2024-10-31 22:18:09,199 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 1731 transitions. Word has length 6 [2024-10-31 22:18:09,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:09,200 INFO L471 AbstractCegarLoop]: Abstraction has 1502 states and 1731 transitions. [2024-10-31 22:18:09,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:09,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1731 transitions. [2024-10-31 22:18:09,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-31 22:18:09,201 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:09,201 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:09,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-31 22:18:09,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:18:09,403 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr620REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 730 more)] === [2024-10-31 22:18:09,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:09,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1136358850, now seen corresponding path program 1 times [2024-10-31 22:18:09,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:18:09,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955618874] [2024-10-31 22:18:09,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:09,405 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 [2024-10-31 22:18:09,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:18:09,408 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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) [2024-10-31 22:18:09,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 22:18:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:09,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:18:09,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:09,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:09,631 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:09,631 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:18:09,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1955618874] [2024-10-31 22:18:09,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1955618874] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:09,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:09,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:18:09,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453178917] [2024-10-31 22:18:09,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:09,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:18:09,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:18:09,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:18:09,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:18:09,639 INFO L87 Difference]: Start difference. First operand 1502 states and 1731 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-10-31 22:18:10,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:10,755 INFO L93 Difference]: Finished difference Result 2271 states and 2626 transitions. [2024-10-31 22:18:10,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:18:10,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) Word has length 7 [2024-10-31 22:18:10,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:10,764 INFO L225 Difference]: With dead ends: 2271 [2024-10-31 22:18:10,764 INFO L226 Difference]: Without dead ends: 2271 [2024-10-31 22:18:10,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:18:10,765 INFO L432 NwaCegarLoop]: 1368 mSDtfsCounter, 691 mSDsluCounter, 2489 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 3857 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:10,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 3857 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-31 22:18:10,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2271 states. [2024-10-31 22:18:10,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2271 to 1972. [2024-10-31 22:18:10,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1972 states, 1352 states have (on average 1.9289940828402368) internal successors, (2608), 1961 states have internal predecessors, (2608), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-31 22:18:10,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1972 states and 2626 transitions. [2024-10-31 22:18:10,820 INFO L78 Accepts]: Start accepts. Automaton has 1972 states and 2626 transitions. Word has length 7 [2024-10-31 22:18:10,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:10,820 INFO L471 AbstractCegarLoop]: Abstraction has 1972 states and 2626 transitions. [2024-10-31 22:18:10,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-10-31 22:18:10,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2626 transitions. [2024-10-31 22:18:10,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:18:10,825 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:10,825 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:10,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 22:18:11,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:18:11,026 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr627REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 730 more)] === [2024-10-31 22:18:11,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:11,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1119196844, now seen corresponding path program 1 times [2024-10-31 22:18:11,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:18:11,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [672286246] [2024-10-31 22:18:11,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:11,028 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 [2024-10-31 22:18:11,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:18:11,031 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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) [2024-10-31 22:18:11,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 22:18:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:11,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:18:11,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:11,253 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:11,253 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:18:11,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [672286246] [2024-10-31 22:18:11,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [672286246] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:11,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:11,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:18:11,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100042866] [2024-10-31 22:18:11,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:11,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:11,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:18:11,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:11,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:11,256 INFO L87 Difference]: Start difference. First operand 1972 states and 2626 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:11,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:11,570 INFO L93 Difference]: Finished difference Result 2049 states and 2567 transitions. [2024-10-31 22:18:11,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:11,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-31 22:18:11,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:11,579 INFO L225 Difference]: With dead ends: 2049 [2024-10-31 22:18:11,579 INFO L226 Difference]: Without dead ends: 2049 [2024-10-31 22:18:11,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:11,581 INFO L432 NwaCegarLoop]: 1440 mSDtfsCounter, 316 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 2744 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:11,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 2744 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:18:11,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2049 states. [2024-10-31 22:18:11,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2049 to 1832. [2024-10-31 22:18:11,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1832 states, 1212 states have (on average 1.938118811881188) internal successors, (2349), 1821 states have internal predecessors, (2349), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-31 22:18:11,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1832 states and 2367 transitions. [2024-10-31 22:18:11,641 INFO L78 Accepts]: Start accepts. Automaton has 1832 states and 2367 transitions. Word has length 9 [2024-10-31 22:18:11,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:11,641 INFO L471 AbstractCegarLoop]: Abstraction has 1832 states and 2367 transitions. [2024-10-31 22:18:11,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:11,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2367 transitions. [2024-10-31 22:18:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-31 22:18:11,642 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:11,642 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:11,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 22:18:11,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:18:11,843 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 730 more)] === [2024-10-31 22:18:11,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:11,844 INFO L85 PathProgramCache]: Analyzing trace with hash 242137368, now seen corresponding path program 1 times [2024-10-31 22:18:11,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:18:11,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390771350] [2024-10-31 22:18:11,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:11,846 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 [2024-10-31 22:18:11,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:18:11,849 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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) [2024-10-31 22:18:11,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_454476cd-fb5d-4cec-ab8b-5c0e431fda44/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-10-31 22:18:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:12,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:18:12,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:12,062 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:12,062 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:18:12,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1390771350] [2024-10-31 22:18:12,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1390771350] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:12,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:12,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:18:12,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494269749] [2024-10-31 22:18:12,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:12,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:12,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:18:12,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:12,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:12,066 INFO L87 Difference]: Start difference. First operand 1832 states and 2367 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-10-31 22:18:12,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:12,114 INFO L93 Difference]: Finished difference Result 1772 states and 2281 transitions. [2024-10-31 22:18:12,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:12,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) Word has length 12 [2024-10-31 22:18:12,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:12,121 INFO L225 Difference]: With dead ends: 1772 [2024-10-31 22:18:12,121 INFO L226 Difference]: Without dead ends: 1772 [2024-10-31 22:18:12,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:12,122 INFO L432 NwaCegarLoop]: 1316 mSDtfsCounter, 71 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 2569 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:12,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 2569 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]