./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a 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_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:44:46,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:44:46,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:44:46,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:44:46,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:44:46,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:44:46,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:44:46,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:44:46,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:44:46,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:44:46,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:44:46,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:44:46,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:44:46,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:44:46,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:44:46,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:44:46,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:44:46,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:44:46,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:44:46,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:44:46,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:44:46,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:44:46,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:44:46,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:44:46,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:44:46,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:44:46,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:44:46,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:44:46,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:44:46,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:44:46,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:44:46,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:44:46,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:44:46,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:44:46,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:44:46,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:44:46,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:44:46,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:44:46,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:44:46,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:44:46,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:44:46,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-11-25 18:44:46,409 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:44:46,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:44:46,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:44:46,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:44:46,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:44:46,415 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:44:46,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:44:46,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:44:46,416 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:44:46,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:44:46,418 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:44:46,418 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:44:46,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:44:46,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:44:46,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:44:46,419 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 18:44:46,419 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 18:44:46,420 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 18:44:46,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:44:46,420 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:44:46,420 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:44:46,421 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:44:46,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:44:46,422 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:44:46,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:44:46,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:44:46,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:44:46,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:44:46,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:44:46,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:44:46,424 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:44:46,424 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-25 18:44:46,425 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:44:46,425 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:44:46,425 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:44:46,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e [2022-11-25 18:44:46,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:44:46,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:44:46,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:44:46,765 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:44:46,765 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:44:46,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-25 18:44:49,990 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:44:50,357 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:44:50,357 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-25 18:44:50,371 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/data/b205b94b3/6309f8c2c1a6498eb06056c478020acc/FLAGf157ce821 [2022-11-25 18:44:50,389 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/data/b205b94b3/6309f8c2c1a6498eb06056c478020acc [2022-11-25 18:44:50,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:44:50,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:44:50,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:44:50,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:44:50,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:44:50,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:44:50" (1/1) ... [2022-11-25 18:44:50,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d4e7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:50, skipping insertion in model container [2022-11-25 18:44:50,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:44:50" (1/1) ... [2022-11-25 18:44:50,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:44:50,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:44:51,025 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 18:44:51,026 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 18:44:51,029 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 18:44:51,030 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 18:44:51,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:44:51,085 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-25 18:44:51,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7cf9081c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:51, skipping insertion in model container [2022-11-25 18:44:51,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:44:51,087 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 18:44:51,090 INFO L158 Benchmark]: Toolchain (without parser) took 691.91ms. Allocated memory is still 157.3MB. Free memory was 114.3MB in the beginning and 99.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 18:44:51,091 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:44:51,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 684.96ms. Allocated memory is still 157.3MB. Free memory was 114.3MB in the beginning and 99.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 18:44:51,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 684.96ms. Allocated memory is still 157.3MB. Free memory was 114.3MB in the beginning and 99.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1031]: 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_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:44:53,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:44:53,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:44:53,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:44:53,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:44:53,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:44:53,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:44:53,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:44:53,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:44:53,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:44:53,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:44:53,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:44:53,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:44:53,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:44:53,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:44:53,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:44:53,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:44:53,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:44:53,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:44:53,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:44:53,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:44:53,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:44:53,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:44:53,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:44:53,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:44:53,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:44:53,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:44:53,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:44:53,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:44:53,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:44:53,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:44:53,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:44:53,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:44:53,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:44:53,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:44:53,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:44:53,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:44:53,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:44:53,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:44:53,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:44:53,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:44:53,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2022-11-25 18:44:53,757 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:44:53,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:44:53,759 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:44:53,759 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:44:53,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:44:53,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:44:53,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:44:53,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:44:53,762 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:44:53,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:44:53,763 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:44:53,764 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:44:53,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:44:53,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:44:53,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:44:53,764 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 18:44:53,765 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 18:44:53,765 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 18:44:53,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:44:53,765 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:44:53,765 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 18:44:53,766 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 18:44:53,766 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:44:53,766 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:44:53,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:44:53,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:44:53,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:44:53,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:44:53,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:44:53,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:44:53,768 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 18:44:53,768 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 18:44:53,768 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:44:53,769 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-25 18:44:53,769 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:44:53,769 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:44:53,769 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:44:53,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:44:53,770 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e [2022-11-25 18:44:54,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:44:54,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:44:54,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:44:54,181 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:44:54,183 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:44:54,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-25 18:44:57,520 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:44:57,821 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:44:57,822 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-25 18:44:57,836 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/data/8c5761136/566fa2966a26412dac922856e51e277d/FLAG090529516 [2022-11-25 18:44:57,856 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/data/8c5761136/566fa2966a26412dac922856e51e277d [2022-11-25 18:44:57,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:44:57,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:44:57,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:44:57,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:44:57,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:44:57,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:44:57" (1/1) ... [2022-11-25 18:44:57,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e9349c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:57, skipping insertion in model container [2022-11-25 18:44:57,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:44:57" (1/1) ... [2022-11-25 18:44:57,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:44:57,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:44:58,487 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 18:44:58,488 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 18:44:58,491 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 18:44:58,494 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 18:44:58,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:44:58,580 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 18:44:58,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:44:58,636 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 18:44:58,637 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 18:44:58,638 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 18:44:58,639 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 18:44:58,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:44:58,699 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:44:58,750 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 18:44:58,751 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 18:44:58,752 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 18:44:58,753 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 18:44:58,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:44:58,863 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:44:58,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:58 WrapperNode [2022-11-25 18:44:58,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:44:58,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:44:58,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:44:58,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:44:58,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:58" (1/1) ... [2022-11-25 18:44:58,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:58" (1/1) ... [2022-11-25 18:44:58,960 INFO L138 Inliner]: procedures = 274, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 117 [2022-11-25 18:44:58,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:44:58,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:44:58,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:44:58,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:44:58,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:58" (1/1) ... [2022-11-25 18:44:58,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:58" (1/1) ... [2022-11-25 18:44:58,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:58" (1/1) ... [2022-11-25 18:44:58,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:58" (1/1) ... [2022-11-25 18:44:59,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:58" (1/1) ... [2022-11-25 18:44:59,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:58" (1/1) ... [2022-11-25 18:44:59,029 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:58" (1/1) ... [2022-11-25 18:44:59,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:58" (1/1) ... [2022-11-25 18:44:59,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:44:59,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:44:59,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:44:59,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:44:59,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:58" (1/1) ... [2022-11-25 18:44:59,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:44:59,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:44:59,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:44:59,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:44:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 18:44:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-25 18:44:59,141 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-25 18:44:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:44:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:44:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:44:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 18:44:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 18:44:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:44:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:44:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:44:59,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:44:59,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:44:59,146 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:44:59,449 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:44:59,451 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:45:00,072 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:45:00,082 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:45:00,082 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 18:45:00,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:45:00 BoogieIcfgContainer [2022-11-25 18:45:00,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:45:00,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:45:00,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:45:00,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:45:00,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:44:57" (1/3) ... [2022-11-25 18:45:00,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de02cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:45:00, skipping insertion in model container [2022-11-25 18:45:00,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:58" (2/3) ... [2022-11-25 18:45:00,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de02cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:45:00, skipping insertion in model container [2022-11-25 18:45:00,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:45:00" (3/3) ... [2022-11-25 18:45:00,095 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_21-arrayloop2_nr.i [2022-11-25 18:45:00,115 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:45:00,116 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-25 18:45:00,116 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:45:00,388 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 18:45:00,434 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:45:00,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-25 18:45:00,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:45:00,439 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-25 18:45:00,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-25 18:45:00,536 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-25 18:45:00,549 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-25 18:45:00,556 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@27638bbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:45:00,557 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-25 18:45:01,068 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-25 18:45:01,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:45:01,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1800463371, now seen corresponding path program 1 times [2022-11-25 18:45:01,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:45:01,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1391141498] [2022-11-25 18:45:01,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:45:01,096 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:01,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat [2022-11-25 18:45:01,107 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:45:01,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 18:45:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:45:01,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 18:45:01,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:45:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:45:01,285 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:45:01,286 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:45:01,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1391141498] [2022-11-25 18:45:01,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1391141498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:45:01,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:45:01,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:45:01,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915442117] [2022-11-25 18:45:01,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:45:01,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:45:01,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:45:01,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:45:01,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:45:01,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:01,329 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:45:01,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:45:01,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:01,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:45:01,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:01,574 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-25 18:45:01,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:45:01,575 INFO L85 PathProgramCache]: Analyzing trace with hash 955991500, now seen corresponding path program 1 times [2022-11-25 18:45:01,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:45:01,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694768358] [2022-11-25 18:45:01,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:45:01,576 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:01,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat [2022-11-25 18:45:01,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:45:01,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 18:45:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:45:01,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:45:01,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:45:01,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:45:01,778 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:45:01,778 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:45:01,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694768358] [2022-11-25 18:45:01,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694768358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:45:01,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:45:01,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:45:01,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662501396] [2022-11-25 18:45:01,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:45:01,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:45:01,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:45:01,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:45:01,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:45:01,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:01,784 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:45:01,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:45:01,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:01,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:01,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:01,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:01,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:45:02,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:02,121 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-25 18:45:02,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:45:02,121 INFO L85 PathProgramCache]: Analyzing trace with hash 61587728, now seen corresponding path program 1 times [2022-11-25 18:45:02,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:45:02,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618907783] [2022-11-25 18:45:02,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:45:02,123 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:02,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat [2022-11-25 18:45:02,124 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:45:02,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-25 18:45:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:45:02,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:45:02,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:45:02,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:45:02,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:45:02,296 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:45:02,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [618907783] [2022-11-25 18:45:02,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [618907783] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:45:02,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:45:02,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:45:02,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436389054] [2022-11-25 18:45:02,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:45:02,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:45:02,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:45:02,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:45:02,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:45:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:02,301 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:45:02,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:45:02,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:02,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:02,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:02,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:02,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:02,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:02,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/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 [2022-11-25 18:45:02,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:02,636 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-25 18:45:02,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:45:02,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1617155092, now seen corresponding path program 1 times [2022-11-25 18:45:02,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:45:02,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1067025295] [2022-11-25 18:45:02,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:45:02,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:02,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat [2022-11-25 18:45:02,642 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:45:02,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-25 18:45:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:45:02,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:45:03,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:45:03,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:45:03,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:45:03,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:45:03,324 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:45:03,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1067025295] [2022-11-25 18:45:03,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1067025295] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:45:03,325 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:45:03,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-25 18:45:03,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862223843] [2022-11-25 18:45:03,326 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:45:03,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:45:03,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:45:03,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:45:03,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:45:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:03,329 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:45:03,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:45:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:03,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:45:03,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-25 18:45:03,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:03,759 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-25 18:45:03,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:45:03,759 INFO L85 PathProgramCache]: Analyzing trace with hash 148193900, now seen corresponding path program 2 times [2022-11-25 18:45:03,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:45:03,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928539766] [2022-11-25 18:45:03,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:45:03,761 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:03,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat [2022-11-25 18:45:03,765 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:45:03,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-25 18:45:04,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 18:45:04,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:45:04,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 18:45:04,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:45:04,840 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:45:04,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:45:05,395 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:45:05,395 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:45:05,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928539766] [2022-11-25 18:45:05,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928539766] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:45:05,396 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:45:05,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-11-25 18:45:05,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661344707] [2022-11-25 18:45:05,397 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:45:05,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-25 18:45:05,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:45:05,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-25 18:45:05,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-11-25 18:45:05,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:05,402 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:45:05,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 17.125) internal successors, (274), 16 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:45:05,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:05,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:05,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:05,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:45:05,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:06,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:06,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:06,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:45:06,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:45:06,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/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)] Forceful destruction successful, exit code 0 [2022-11-25 18:45:06,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:06,595 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-25 18:45:06,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:45:06,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1173688172, now seen corresponding path program 3 times [2022-11-25 18:45:06,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:45:06,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516972245] [2022-11-25 18:45:06,598 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 18:45:06,599 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:06,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat [2022-11-25 18:45:06,604 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:45:06,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-25 18:45:06,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-25 18:45:06,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:45:07,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:45:07,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:45:07,643 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 784 trivial. 0 not checked. [2022-11-25 18:45:07,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:45:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 784 trivial. 0 not checked. [2022-11-25 18:45:08,566 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:45:08,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516972245] [2022-11-25 18:45:08,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1516972245] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:45:08,566 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:45:08,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-25 18:45:08,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383548002] [2022-11-25 18:45:08,567 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:45:08,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:45:08,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:45:08,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:45:08,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:45:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:08,570 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:45:08,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.5) internal successors, (140), 8 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:45:08,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:08,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:08,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:08,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:45:08,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:45:08,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:08,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:08,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:08,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:45:08,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:45:08,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:45:08,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-11-25 18:45:09,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:09,108 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-25 18:45:09,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:45:09,109 INFO L85 PathProgramCache]: Analyzing trace with hash -610329748, now seen corresponding path program 4 times [2022-11-25 18:45:09,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:45:09,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1171342948] [2022-11-25 18:45:09,112 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 18:45:09,113 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:09,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat [2022-11-25 18:45:09,114 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:45:09,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-25 18:45:12,507 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 18:45:12,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:45:12,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 3449 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 18:45:12,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:45:13,441 INFO L134 CoverageAnalysis]: Checked inductivity of 7878 backedges. 3677 proven. 784 refuted. 0 times theorem prover too weak. 3417 trivial. 0 not checked. [2022-11-25 18:45:13,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:45:15,199 INFO L134 CoverageAnalysis]: Checked inductivity of 7878 backedges. 3677 proven. 784 refuted. 0 times theorem prover too weak. 3417 trivial. 0 not checked. [2022-11-25 18:45:15,200 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:45:15,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1171342948] [2022-11-25 18:45:15,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1171342948] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:45:15,201 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:45:15,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2022-11-25 18:45:15,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206106787] [2022-11-25 18:45:15,202 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:45:15,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-11-25 18:45:15,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:45:15,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-25 18:45:15,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=818, Unknown=0, NotChecked=0, Total=992 [2022-11-25 18:45:15,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:15,231 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:45:15,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 19.3125) internal successors, (618), 32 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:45:15,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:15,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:15,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:15,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:45:15,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:45:15,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:45:15,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:19,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:45:19,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:19,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:45:19,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:45:19,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:45:19,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:45:19,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-25 18:45:19,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-25 18:45:19,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:19,827 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-25 18:45:19,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:45:19,828 INFO L85 PathProgramCache]: Analyzing trace with hash 811193708, now seen corresponding path program 5 times [2022-11-25 18:45:19,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:45:19,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594023309] [2022-11-25 18:45:19,833 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-25 18:45:19,833 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:45:19,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat [2022-11-25 18:45:19,835 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:45:19,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305f0f6-fe67-41ae-8764-557a6cf09d6b/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process