./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:02:29,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:02:29,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 21:02:29,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:02:29,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:02:29,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:02:29,838 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:02:29,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:02:29,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:02:29,845 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:02:29,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:02:29,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:02:29,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:02:29,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:02:29,850 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:02:29,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:02:29,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:02:29,851 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:02:29,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:02:29,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:02:29,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:02:29,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:02:29,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:02:29,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:02:29,855 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:02:29,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:02:29,856 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:02:29,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:02:29,858 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:02:29,858 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:02:29,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:02:29,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:29,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:02:29,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:02:29,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:02:29,862 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:02:29,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:02:29,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:02:29,863 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:02:29,863 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:02:29,863 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:02:29,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:02:29,864 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7 [2023-11-21 21:02:30,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:02:30,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:02:30,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:02:30,240 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:02:30,241 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:02:30,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i [2023-11-21 21:02:33,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:02:33,794 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:02:33,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i [2023-11-21 21:02:33,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/data/b85595724/cb8b6040c90b4378bdb6a5251601226c/FLAGece5e7841 [2023-11-21 21:02:33,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/data/b85595724/cb8b6040c90b4378bdb6a5251601226c [2023-11-21 21:02:33,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:02:33,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:02:33,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:33,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:02:33,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:02:33,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:33" (1/1) ... [2023-11-21 21:02:33,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad2113e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:33, skipping insertion in model container [2023-11-21 21:02:33,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:33" (1/1) ... [2023-11-21 21:02:33,931 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:02:34,612 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[44118,44131] [2023-11-21 21:02:34,633 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[44660,44673] [2023-11-21 21:02:34,765 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[56247,56260] [2023-11-21 21:02:34,767 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[56368,56381] [2023-11-21 21:02:34,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:34,792 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:02:34,832 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[44118,44131] [2023-11-21 21:02:34,835 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[44660,44673] [2023-11-21 21:02:34,924 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[56247,56260] [2023-11-21 21:02:34,925 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[56368,56381] [2023-11-21 21:02:34,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:35,002 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:02:35,010 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:02:35,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:35 WrapperNode [2023-11-21 21:02:35,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:35,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:35,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:02:35,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:02:35,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:35" (1/1) ... [2023-11-21 21:02:35,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:35" (1/1) ... [2023-11-21 21:02:35,171 INFO L138 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1373 [2023-11-21 21:02:35,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:35,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:02:35,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:02:35,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:02:35,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:35" (1/1) ... [2023-11-21 21:02:35,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:35" (1/1) ... [2023-11-21 21:02:35,202 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:35" (1/1) ... [2023-11-21 21:02:35,352 INFO L187 HeapSplitter]: Split 261 memory accesses to 5 slices as follows [2, 218, 5, 2, 34] [2023-11-21 21:02:35,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:35" (1/1) ... [2023-11-21 21:02:35,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:35" (1/1) ... [2023-11-21 21:02:35,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:35" (1/1) ... [2023-11-21 21:02:35,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:35" (1/1) ... [2023-11-21 21:02:35,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:35" (1/1) ... [2023-11-21 21:02:35,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:35" (1/1) ... [2023-11-21 21:02:35,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:02:35,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:02:35,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:02:35,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:02:35,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:35" (1/1) ... [2023-11-21 21:02:35,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:35,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:35,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:02:35,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:02:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:02:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 21:02:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-21 21:02:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-21 21:02:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-21 21:02:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-21 21:02:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-21 21:02:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:02:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-21 21:02:35,636 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-21 21:02:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 21:02:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 21:02:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 21:02:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 21:02:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 21:02:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 21:02:35,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 21:02:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 21:02:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 21:02:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 21:02:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 21:02:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 21:02:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 21:02:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:02:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-21 21:02:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-21 21:02:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-21 21:02:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-21 21:02:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-21 21:02:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-21 21:02:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-21 21:02:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-21 21:02:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-21 21:02:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 21:02:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 21:02:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 21:02:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 21:02:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 21:02:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:02:35,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:02:35,942 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:02:35,944 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:02:37,550 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:02:39,439 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:02:39,439 INFO L308 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-21 21:02:39,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:39 BoogieIcfgContainer [2023-11-21 21:02:39,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:02:39,445 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:02:39,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:02:39,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:02:39,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:02:33" (1/3) ... [2023-11-21 21:02:39,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a847291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:39, skipping insertion in model container [2023-11-21 21:02:39,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:35" (2/3) ... [2023-11-21 21:02:39,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a847291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:39, skipping insertion in model container [2023-11-21 21:02:39,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:39" (3/3) ... [2023-11-21 21:02:39,454 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test6-1.i [2023-11-21 21:02:39,475 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:02:39,475 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-21 21:02:39,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:02:39,552 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@3cb4b54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:02:39,552 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-21 21:02:39,566 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 128 states have (on average 1.671875) internal successors, (214), 132 states have internal predecessors, (214), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-21 21:02:39,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 21:02:39,574 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:39,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:39,575 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-21 21:02:39,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:39,584 INFO L85 PathProgramCache]: Analyzing trace with hash 870067896, now seen corresponding path program 1 times [2023-11-21 21:02:39,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:39,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182368872] [2023-11-21 21:02:39,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:39,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:39,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:39,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:39,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182368872] [2023-11-21 21:02:39,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182368872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:39,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:39,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:02:39,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403027405] [2023-11-21 21:02:39,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:39,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 21:02:39,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:39,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 21:02:39,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 21:02:39,896 INFO L87 Difference]: Start difference. First operand has 150 states, 128 states have (on average 1.671875) internal successors, (214), 132 states have internal predecessors, (214), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:41,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:02:43,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:02:45,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:02:47,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:02:48,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:48,528 INFO L93 Difference]: Finished difference Result 295 states and 487 transitions. [2023-11-21 21:02:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 21:02:48,536 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-21 21:02:48,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:48,548 INFO L225 Difference]: With dead ends: 295 [2023-11-21 21:02:48,548 INFO L226 Difference]: Without dead ends: 143 [2023-11-21 21:02:48,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 21:02:48,557 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:48,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2023-11-21 21:02:48,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-21 21:02:48,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2023-11-21 21:02:48,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 122 states have (on average 1.1721311475409837) internal successors, (143), 127 states have internal predecessors, (143), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-21 21:02:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2023-11-21 21:02:48,665 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 7 [2023-11-21 21:02:48,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:48,666 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2023-11-21 21:02:48,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:48,669 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2023-11-21 21:02:48,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 21:02:48,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:48,675 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:48,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:02:48,676 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-21 21:02:48,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:48,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1296453882, now seen corresponding path program 1 times [2023-11-21 21:02:48,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:48,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003244328] [2023-11-21 21:02:48,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:48,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:48,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:48,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:48,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003244328] [2023-11-21 21:02:48,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003244328] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:48,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:48,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:02:48,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136197624] [2023-11-21 21:02:48,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:48,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:02:48,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:48,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:02:48,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:02:48,966 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:51,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:02:53,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:02:55,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:02:57,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:02:59,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:01,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:03,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:05,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:07,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:09,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:11,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:13,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:15,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:17,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:19,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:20,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:20,337 INFO L93 Difference]: Finished difference Result 315 states and 371 transitions. [2023-11-21 21:03:20,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 21:03:20,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-21 21:03:20,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:20,345 INFO L225 Difference]: With dead ends: 315 [2023-11-21 21:03:20,345 INFO L226 Difference]: Without dead ends: 238 [2023-11-21 21:03:20,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:03:20,348 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 98 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.3s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:20,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 399 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 15 Unknown, 0 Unchecked, 31.3s Time] [2023-11-21 21:03:20,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-11-21 21:03:20,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 145. [2023-11-21 21:03:20,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 124 states have (on average 1.1693548387096775) internal successors, (145), 129 states have internal predecessors, (145), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-21 21:03:20,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2023-11-21 21:03:20,380 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 9 [2023-11-21 21:03:20,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:20,380 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2023-11-21 21:03:20,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:20,381 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2023-11-21 21:03:20,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 21:03:20,382 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:20,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:20,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 21:03:20,383 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-21 21:03:20,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:20,383 INFO L85 PathProgramCache]: Analyzing trace with hash -2074437168, now seen corresponding path program 1 times [2023-11-21 21:03:20,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:20,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376081824] [2023-11-21 21:03:20,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:20,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:20,437 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 21:03:20,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1992025130] [2023-11-21 21:03:20,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:20,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:03:20,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:03:20,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:03:20,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 21:03:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:21,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 21:03:21,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:03:21,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:03:21,213 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:03:21,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:21,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376081824] [2023-11-21 21:03:21,213 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 21:03:21,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992025130] [2023-11-21 21:03:21,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992025130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:21,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:21,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 21:03:21,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069849278] [2023-11-21 21:03:21,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:21,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:03:21,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:21,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:03:21,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:03:21,216 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:23,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:23,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:23,262 INFO L93 Difference]: Finished difference Result 150 states and 175 transitions. [2023-11-21 21:03:23,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 21:03:23,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2023-11-21 21:03:23,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:23,272 INFO L225 Difference]: With dead ends: 150 [2023-11-21 21:03:23,273 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 21:03:23,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:03:23,276 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:23,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-21 21:03:23,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 21:03:23,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 21:03:23,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:23,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 21:03:23,278 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2023-11-21 21:03:23,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:23,278 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 21:03:23,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:23,279 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 21:03:23,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 21:03:23,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-11-21 21:03:23,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2023-11-21 21:03:23,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2023-11-21 21:03:23,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2023-11-21 21:03:23,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 21:03:23,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:03:23,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 21:03:23,554 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 949 956) the Hoare annotation is: true [2023-11-21 21:03:23,554 INFO L902 garLoopResultBuilder]: At program point L953(line 953) the Hoare annotation is: true [2023-11-21 21:03:23,554 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 954) no Hoare annotation was computed. [2023-11-21 21:03:23,555 INFO L899 garLoopResultBuilder]: For program point alt_mallocEXIT(lines 949 956) no Hoare annotation was computed. [2023-11-21 21:03:23,555 INFO L899 garLoopResultBuilder]: For program point L952-1(lines 952 954) no Hoare annotation was computed. [2023-11-21 21:03:23,555 INFO L899 garLoopResultBuilder]: For program point L961(line 961) no Hoare annotation was computed. [2023-11-21 21:03:23,555 INFO L899 garLoopResultBuilder]: For program point L960(lines 960 962) no Hoare annotation was computed. [2023-11-21 21:03:23,557 INFO L899 garLoopResultBuilder]: For program point alt_freeEXIT(lines 957 964) no Hoare annotation was computed. [2023-11-21 21:03:23,557 INFO L899 garLoopResultBuilder]: For program point L960-2(lines 960 962) no Hoare annotation was computed. [2023-11-21 21:03:23,557 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 957 964) the Hoare annotation is: true [2023-11-21 21:03:23,558 INFO L899 garLoopResultBuilder]: For program point alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2023-11-21 21:03:23,558 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-21 21:03:23,558 INFO L899 garLoopResultBuilder]: For program point alt_bzeroEXIT(lines 972 976) no Hoare annotation was computed. [2023-11-21 21:03:23,558 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 972 976) the Hoare annotation is: true [2023-11-21 21:03:23,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2023-11-21 21:03:23,559 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 21:03:23,559 INFO L899 garLoopResultBuilder]: For program point L989-1(lines 989 997) no Hoare annotation was computed. [2023-11-21 21:03:23,559 INFO L899 garLoopResultBuilder]: For program point L989-3(lines 989 997) no Hoare annotation was computed. [2023-11-21 21:03:23,559 INFO L895 garLoopResultBuilder]: At program point L989-4(lines 989 997) the Hoare annotation is: (= (select (select |#memory_int#4| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-21 21:03:23,560 INFO L899 garLoopResultBuilder]: For program point L989-5(lines 989 997) no Hoare annotation was computed. [2023-11-21 21:03:23,560 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2023-11-21 21:03:23,560 INFO L899 garLoopResultBuilder]: For program point L998-1(lines 998 1006) no Hoare annotation was computed. [2023-11-21 21:03:23,560 INFO L899 garLoopResultBuilder]: For program point L998-3(lines 998 1006) no Hoare annotation was computed. [2023-11-21 21:03:23,560 INFO L895 garLoopResultBuilder]: At program point L998-4(lines 998 1006) the Hoare annotation is: false [2023-11-21 21:03:23,560 INFO L899 garLoopResultBuilder]: For program point L998-5(lines 998 1006) no Hoare annotation was computed. [2023-11-21 21:03:23,561 INFO L899 garLoopResultBuilder]: For program point L996-68(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,561 INFO L902 garLoopResultBuilder]: At program point L996-69(line 996) the Hoare annotation is: true [2023-11-21 21:03:23,561 INFO L899 garLoopResultBuilder]: For program point L996-70(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,561 INFO L902 garLoopResultBuilder]: At program point L996-71(line 996) the Hoare annotation is: true [2023-11-21 21:03:23,561 INFO L899 garLoopResultBuilder]: For program point L1001-3(line 1001) no Hoare annotation was computed. [2023-11-21 21:03:23,562 INFO L895 garLoopResultBuilder]: At program point L1001-4(line 1001) the Hoare annotation is: false [2023-11-21 21:03:23,562 INFO L899 garLoopResultBuilder]: For program point L1001-5(line 1001) no Hoare annotation was computed. [2023-11-21 21:03:23,562 INFO L899 garLoopResultBuilder]: For program point L999-68(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,562 INFO L895 garLoopResultBuilder]: At program point L1001-6(line 1001) the Hoare annotation is: false [2023-11-21 21:03:23,562 INFO L895 garLoopResultBuilder]: At program point L999-69(line 999) the Hoare annotation is: false [2023-11-21 21:03:23,563 INFO L899 garLoopResultBuilder]: For program point L1001-7(line 1001) no Hoare annotation was computed. [2023-11-21 21:03:23,565 INFO L899 garLoopResultBuilder]: For program point L999-70(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,566 INFO L895 garLoopResultBuilder]: At program point L999-71(line 999) the Hoare annotation is: false [2023-11-21 21:03:23,566 INFO L899 garLoopResultBuilder]: For program point L1001-12(line 1001) no Hoare annotation was computed. [2023-11-21 21:03:23,566 INFO L899 garLoopResultBuilder]: For program point L996-170(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,566 INFO L899 garLoopResultBuilder]: For program point L1001-15(line 1001) no Hoare annotation was computed. [2023-11-21 21:03:23,567 INFO L902 garLoopResultBuilder]: At program point L996-171(line 996) the Hoare annotation is: true [2023-11-21 21:03:23,567 INFO L895 garLoopResultBuilder]: At program point L1001-16(line 1001) the Hoare annotation is: false [2023-11-21 21:03:23,567 INFO L899 garLoopResultBuilder]: For program point L996-172(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,567 INFO L899 garLoopResultBuilder]: For program point L1001-17(line 1001) no Hoare annotation was computed. [2023-11-21 21:03:23,573 INFO L899 garLoopResultBuilder]: For program point L996-173(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,574 INFO L902 garLoopResultBuilder]: At program point L996-174(line 996) the Hoare annotation is: true [2023-11-21 21:03:23,574 INFO L899 garLoopResultBuilder]: For program point L996-175(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,574 INFO L902 garLoopResultBuilder]: At program point L996-176(line 996) the Hoare annotation is: true [2023-11-21 21:03:23,574 INFO L899 garLoopResultBuilder]: For program point L996-178(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,574 INFO L899 garLoopResultBuilder]: For program point L996-180(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,575 INFO L899 garLoopResultBuilder]: For program point L996-181(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,575 INFO L899 garLoopResultBuilder]: For program point L1001-26(line 1001) no Hoare annotation was computed. [2023-11-21 21:03:23,575 INFO L895 garLoopResultBuilder]: At program point L1001-27(line 1001) the Hoare annotation is: false [2023-11-21 21:03:23,575 INFO L895 garLoopResultBuilder]: At program point L996-183(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,575 INFO L899 garLoopResultBuilder]: For program point L996-184(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,575 INFO L895 garLoopResultBuilder]: At program point L996-185(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,576 INFO L899 garLoopResultBuilder]: For program point L996-186(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,576 INFO L899 garLoopResultBuilder]: For program point L996-187(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,576 INFO L895 garLoopResultBuilder]: At program point L996-188(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,576 INFO L899 garLoopResultBuilder]: For program point L996-189(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,576 INFO L895 garLoopResultBuilder]: At program point L996-191(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,576 INFO L899 garLoopResultBuilder]: For program point L996-192(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,577 INFO L899 garLoopResultBuilder]: For program point L996-193(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,577 INFO L899 garLoopResultBuilder]: For program point L1001-38(line 1001) no Hoare annotation was computed. [2023-11-21 21:03:23,577 INFO L895 garLoopResultBuilder]: At program point L996-194(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,577 INFO L895 garLoopResultBuilder]: At program point L1001-39(line 1001) the Hoare annotation is: false [2023-11-21 21:03:23,577 INFO L899 garLoopResultBuilder]: For program point L996-195(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,577 INFO L899 garLoopResultBuilder]: For program point L1001-40(line 1001) no Hoare annotation was computed. [2023-11-21 21:03:23,578 INFO L899 garLoopResultBuilder]: For program point L1001-41(line 1001) no Hoare annotation was computed. [2023-11-21 21:03:23,578 INFO L899 garLoopResultBuilder]: For program point L1001-42(line 1001) no Hoare annotation was computed. [2023-11-21 21:03:23,578 INFO L899 garLoopResultBuilder]: For program point L996-198(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,578 INFO L895 garLoopResultBuilder]: At program point L1001-43(line 1001) the Hoare annotation is: false [2023-11-21 21:03:23,578 INFO L895 garLoopResultBuilder]: At program point L996-199(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,578 INFO L899 garLoopResultBuilder]: For program point L1001-44(line 1001) no Hoare annotation was computed. [2023-11-21 21:03:23,578 INFO L899 garLoopResultBuilder]: For program point L996-207(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,579 INFO L895 garLoopResultBuilder]: At program point L996-208(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,579 INFO L899 garLoopResultBuilder]: For program point L996-215(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,579 INFO L895 garLoopResultBuilder]: At program point L996-217(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,579 INFO L899 garLoopResultBuilder]: For program point L996-218(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,579 INFO L899 garLoopResultBuilder]: For program point L996-219(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,579 INFO L895 garLoopResultBuilder]: At program point L996-221(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,581 INFO L899 garLoopResultBuilder]: For program point L996-222(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,582 INFO L899 garLoopResultBuilder]: For program point L996-232(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,582 INFO L899 garLoopResultBuilder]: For program point L996-242(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,582 INFO L895 garLoopResultBuilder]: At program point L996-243(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,582 INFO L899 garLoopResultBuilder]: For program point L996-244(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,583 INFO L899 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2023-11-21 21:03:23,583 INFO L895 garLoopResultBuilder]: At program point L996-253(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,583 INFO L895 garLoopResultBuilder]: At program point L996-255(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,583 INFO L899 garLoopResultBuilder]: For program point L996-256(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,583 INFO L895 garLoopResultBuilder]: At program point L996-257(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,584 INFO L899 garLoopResultBuilder]: For program point L996-258(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,584 INFO L899 garLoopResultBuilder]: For program point L999-170(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,584 INFO L899 garLoopResultBuilder]: For program point L996-264(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,584 INFO L895 garLoopResultBuilder]: At program point L999-171(line 999) the Hoare annotation is: false [2023-11-21 21:03:23,584 INFO L899 garLoopResultBuilder]: For program point L996-265(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,585 INFO L899 garLoopResultBuilder]: For program point L999-172(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,585 INFO L895 garLoopResultBuilder]: At program point L996-266(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,585 INFO L899 garLoopResultBuilder]: For program point L999-173(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,585 INFO L895 garLoopResultBuilder]: At program point L999-174(line 999) the Hoare annotation is: false [2023-11-21 21:03:23,585 INFO L899 garLoopResultBuilder]: For program point L996-268(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,586 INFO L899 garLoopResultBuilder]: For program point L999-175(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,586 INFO L899 garLoopResultBuilder]: For program point L996-269(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,586 INFO L895 garLoopResultBuilder]: At program point L999-176(line 999) the Hoare annotation is: false [2023-11-21 21:03:23,586 INFO L895 garLoopResultBuilder]: At program point L996-270(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,586 INFO L899 garLoopResultBuilder]: For program point L996-271(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,586 INFO L899 garLoopResultBuilder]: For program point L999-178(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,586 INFO L899 garLoopResultBuilder]: For program point L996-272(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,587 INFO L895 garLoopResultBuilder]: At program point L996-273(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,587 INFO L899 garLoopResultBuilder]: For program point L996-274(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,587 INFO L895 garLoopResultBuilder]: At program point L996-275(line 996) the Hoare annotation is: false [2023-11-21 21:03:23,587 INFO L899 garLoopResultBuilder]: For program point L996-276(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,587 INFO L899 garLoopResultBuilder]: For program point L996-277(line 996) no Hoare annotation was computed. [2023-11-21 21:03:23,587 INFO L902 garLoopResultBuilder]: At program point L996-278(line 996) the Hoare annotation is: true [2023-11-21 21:03:23,587 INFO L899 garLoopResultBuilder]: For program point L999-185(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,588 INFO L895 garLoopResultBuilder]: At program point L999-186(line 999) the Hoare annotation is: false [2023-11-21 21:03:23,589 INFO L899 garLoopResultBuilder]: For program point L999-187(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,589 INFO L899 garLoopResultBuilder]: For program point L999-188(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,589 INFO L899 garLoopResultBuilder]: For program point L999-190(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,589 INFO L895 garLoopResultBuilder]: At program point L999-191(line 999) the Hoare annotation is: false [2023-11-21 21:03:23,589 INFO L899 garLoopResultBuilder]: For program point L999-197(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,590 INFO L899 garLoopResultBuilder]: For program point L999-198(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,590 INFO L899 garLoopResultBuilder]: For program point L999-201(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,590 INFO L899 garLoopResultBuilder]: For program point L999-202(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,590 INFO L899 garLoopResultBuilder]: For program point L999-204(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,590 INFO L895 garLoopResultBuilder]: At program point L999-205(line 999) the Hoare annotation is: false [2023-11-21 21:03:23,590 INFO L895 garLoopResultBuilder]: At program point L999-207(line 999) the Hoare annotation is: false [2023-11-21 21:03:23,591 INFO L899 garLoopResultBuilder]: For program point L999-208(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,591 INFO L895 garLoopResultBuilder]: At program point L999-209(line 999) the Hoare annotation is: false [2023-11-21 21:03:23,591 INFO L899 garLoopResultBuilder]: For program point L999-211(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,591 INFO L899 garLoopResultBuilder]: For program point L999-213(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,591 INFO L895 garLoopResultBuilder]: At program point L999-214(line 999) the Hoare annotation is: false [2023-11-21 21:03:23,591 INFO L899 garLoopResultBuilder]: For program point L999-215(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,591 INFO L899 garLoopResultBuilder]: For program point L999-216(line 999) no Hoare annotation was computed. [2023-11-21 21:03:23,592 INFO L895 garLoopResultBuilder]: At program point L999-217(line 999) the Hoare annotation is: false [2023-11-21 21:03:23,592 INFO L899 garLoopResultBuilder]: For program point L999-218(lines 998 1006) no Hoare annotation was computed. [2023-11-21 21:03:23,592 INFO L895 garLoopResultBuilder]: At program point L1007-3(lines 1007 1009) the Hoare annotation is: false [2023-11-21 21:03:23,592 INFO L895 garLoopResultBuilder]: At program point L1007-4(lines 1007 1009) the Hoare annotation is: false [2023-11-21 21:03:23,592 INFO L899 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2023-11-21 21:03:23,592 INFO L895 garLoopResultBuilder]: At program point L1010(line 1010) the Hoare annotation is: false [2023-11-21 21:03:23,592 INFO L895 garLoopResultBuilder]: At program point L1011(line 1011) the Hoare annotation is: false [2023-11-21 21:03:23,593 INFO L899 garLoopResultBuilder]: For program point L1012(line 1012) no Hoare annotation was computed. [2023-11-21 21:03:23,593 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 21:03:23,593 INFO L899 garLoopResultBuilder]: For program point L939(line 939) no Hoare annotation was computed. [2023-11-21 21:03:23,593 INFO L899 garLoopResultBuilder]: For program point L938(lines 938 940) no Hoare annotation was computed. [2023-11-21 21:03:23,593 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 937 941) no Hoare annotation was computed. [2023-11-21 21:03:23,593 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 937 941) the Hoare annotation is: true [2023-11-21 21:03:23,593 INFO L899 garLoopResultBuilder]: For program point L938-2(lines 937 941) no Hoare annotation was computed. [2023-11-21 21:03:23,594 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 939) no Hoare annotation was computed. [2023-11-21 21:03:23,597 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-21 21:03:23,599 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:03:23,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 21:03:23,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:03:23 BoogieIcfgContainer [2023-11-21 21:03:23,618 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:03:23,619 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:03:23,620 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:03:23,620 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:03:23,621 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:39" (3/4) ... [2023-11-21 21:03:23,628 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 21:03:23,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alt_malloc [2023-11-21 21:03:23,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 21:03:23,632 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alt_free [2023-11-21 21:03:23,636 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alt_bzero [2023-11-21 21:03:23,670 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 245 nodes and edges [2023-11-21 21:03:23,673 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2023-11-21 21:03:23,676 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-21 21:03:23,679 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 21:03:23,945 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 21:03:23,948 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 21:03:23,948 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:03:23,949 INFO L158 Benchmark]: Toolchain (without parser) took 50104.07ms. Allocated memory was 195.0MB in the beginning and 289.4MB in the end (delta: 94.4MB). Free memory was 160.9MB in the beginning and 111.0MB in the end (delta: 49.9MB). Peak memory consumption was 143.3MB. Max. memory is 16.1GB. [2023-11-21 21:03:23,951 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:03:23,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1165.08ms. Allocated memory is still 195.0MB. Free memory was 160.9MB in the beginning and 116.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-21 21:03:23,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 159.64ms. Allocated memory is still 195.0MB. Free memory was 116.9MB in the beginning and 107.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 21:03:23,953 INFO L158 Benchmark]: Boogie Preprocessor took 361.74ms. Allocated memory is still 195.0MB. Free memory was 107.7MB in the beginning and 155.2MB in the end (delta: -47.5MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2023-11-21 21:03:23,954 INFO L158 Benchmark]: RCFGBuilder took 3906.82ms. Allocated memory was 195.0MB in the beginning and 241.2MB in the end (delta: 46.1MB). Free memory was 155.2MB in the beginning and 96.3MB in the end (delta: 58.9MB). Peak memory consumption was 145.4MB. Max. memory is 16.1GB. [2023-11-21 21:03:23,955 INFO L158 Benchmark]: TraceAbstraction took 44173.99ms. Allocated memory was 241.2MB in the beginning and 289.4MB in the end (delta: 48.2MB). Free memory was 96.3MB in the beginning and 133.0MB in the end (delta: -36.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 21:03:23,956 INFO L158 Benchmark]: Witness Printer took 328.63ms. Allocated memory is still 289.4MB. Free memory was 133.0MB in the beginning and 111.0MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 21:03:23,959 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1165.08ms. Allocated memory is still 195.0MB. Free memory was 160.9MB in the beginning and 116.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 159.64ms. Allocated memory is still 195.0MB. Free memory was 116.9MB in the beginning and 107.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 361.74ms. Allocated memory is still 195.0MB. Free memory was 107.7MB in the beginning and 155.2MB in the end (delta: -47.5MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * RCFGBuilder took 3906.82ms. Allocated memory was 195.0MB in the beginning and 241.2MB in the end (delta: 46.1MB). Free memory was 155.2MB in the beginning and 96.3MB in the end (delta: 58.9MB). Peak memory consumption was 145.4MB. Max. memory is 16.1GB. * TraceAbstraction took 44173.99ms. Allocated memory was 241.2MB in the beginning and 289.4MB in the end (delta: 48.2MB). Free memory was 96.3MB in the beginning and 133.0MB in the end (delta: -36.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 328.63ms. Allocated memory is still 289.4MB. Free memory was 133.0MB in the beginning and 111.0MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#i~0!base][~#i~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 961]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1008]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 939]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 150 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 44.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 42.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 41.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 561 SdHoareTripleChecker+Invalid, 41.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 278 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 283 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 91 PreInvPairs, 98 NumberOfFragments, 59 HoareAnnotationTreeSize, 91 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 53 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 52 SizeOfPredicates, 2 NumberOfNonLiveVariables, 274 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 989]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1007]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-21 21:03:24,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d40fdab-76fd-498a-b2b7-030d9d7d4f8b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE