./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7d762e-f997-49ef-9950-3db792f51b87/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7d762e-f997-49ef-9950-3db792f51b87/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7d762e-f997-49ef-9950-3db792f51b87/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7d762e-f997-49ef-9950-3db792f51b87/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7d762e-f997-49ef-9950-3db792f51b87/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7d762e-f997-49ef-9950-3db792f51b87/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 --- 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-dbf71c6-m [2022-10-17 16:50:37,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:37,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:37,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:37,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:37,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:37,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:37,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:37,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:37,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:37,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:37,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:37,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:37,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:37,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:37,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:37,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:37,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:37,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:37,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:37,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:37,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:37,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:37,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:37,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:37,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:37,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:37,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:37,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:37,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:37,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:37,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:37,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:37,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:37,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:37,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:37,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:37,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:37,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:37,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:37,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:37,864 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7d762e-f997-49ef-9950-3db792f51b87/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:50:37,911 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:37,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:37,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:50:37,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:50:37,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:37,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:37,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:37,914 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:37,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:37,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:37,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:37,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:50:37,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:37,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:50:37,917 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:37,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:50:37,917 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:37,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:50:37,918 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:37,918 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:37,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:37,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:37,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:37,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:37,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:50:37,919 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:37,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:37,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:50:37,929 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_2d7d762e-f997-49ef-9950-3db792f51b87/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7d762e-f997-49ef-9950-3db792f51b87/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 [2022-10-17 16:50:38,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:38,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:38,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:38,354 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:38,356 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:38,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7d762e-f997-49ef-9950-3db792f51b87/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2022-10-17 16:50:38,441 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7d762e-f997-49ef-9950-3db792f51b87/bin/ukojak-92XMlrwhuB/data/93290c38e/c92456aa91d7434a9366835948c0293a/FLAG1f7a046b1 [2022-10-17 16:50:39,083 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:39,084 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7d762e-f997-49ef-9950-3db792f51b87/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2022-10-17 16:50:39,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7d762e-f997-49ef-9950-3db792f51b87/bin/ukojak-92XMlrwhuB/data/93290c38e/c92456aa91d7434a9366835948c0293a/FLAG1f7a046b1 [2022-10-17 16:50:39,285 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7d762e-f997-49ef-9950-3db792f51b87/bin/ukojak-92XMlrwhuB/data/93290c38e/c92456aa91d7434a9366835948c0293a [2022-10-17 16:50:39,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:39,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:39,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:39,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:39,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:39,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:39" (1/1) ... [2022-10-17 16:50:39,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7668d976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:39, skipping insertion in model container [2022-10-17 16:50:39,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:39" (1/1) ... [2022-10-17 16:50:39,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:39,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:40,175 WARN L230 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_2d7d762e-f997-49ef-9950-3db792f51b87/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[44118,44131] [2022-10-17 16:50:40,202 WARN L230 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_2d7d762e-f997-49ef-9950-3db792f51b87/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[44660,44673] [2022-10-17 16:50:40,344 WARN L230 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_2d7d762e-f997-49ef-9950-3db792f51b87/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[56247,56260] [2022-10-17 16:50:40,346 WARN L230 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_2d7d762e-f997-49ef-9950-3db792f51b87/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[56368,56381] [2022-10-17 16:50:40,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:40,376 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:40,425 WARN L230 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_2d7d762e-f997-49ef-9950-3db792f51b87/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[44118,44131] [2022-10-17 16:50:40,428 WARN L230 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_2d7d762e-f997-49ef-9950-3db792f51b87/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[44660,44673] [2022-10-17 16:50:40,500 WARN L230 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_2d7d762e-f997-49ef-9950-3db792f51b87/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[56247,56260] [2022-10-17 16:50:40,501 WARN L230 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_2d7d762e-f997-49ef-9950-3db792f51b87/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[56368,56381] [2022-10-17 16:50:40,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:40,654 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:40,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:40 WrapperNode [2022-10-17 16:50:40,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:40,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:40,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:40,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:40,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:40" (1/1) ... [2022-10-17 16:50:40,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:40" (1/1) ... [2022-10-17 16:50:40,814 INFO L138 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1199 [2022-10-17 16:50:40,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:40,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:40,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:40,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:40,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:40" (1/1) ... [2022-10-17 16:50:40,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:40" (1/1) ... [2022-10-17 16:50:40,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:40" (1/1) ... [2022-10-17 16:50:40,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:40" (1/1) ... [2022-10-17 16:50:40,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:40" (1/1) ... [2022-10-17 16:50:40,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:40" (1/1) ... [2022-10-17 16:50:40,980 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:40" (1/1) ... [2022-10-17 16:50:40,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:40" (1/1) ... [2022-10-17 16:50:41,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:41,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:41,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:41,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:41,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:40" (1/1) ... [2022-10-17 16:50:41,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:41,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7d762e-f997-49ef-9950-3db792f51b87/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:41,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7d762e-f997-49ef-9950-3db792f51b87/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:41,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7d762e-f997-49ef-9950-3db792f51b87/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:50:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 16:50:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:50:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:50:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2022-10-17 16:50:41,108 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2022-10-17 16:50:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:50:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:50:41,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:50:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:50:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:50:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2022-10-17 16:50:41,109 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2022-10-17 16:50:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:50:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2022-10-17 16:50:41,110 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2022-10-17 16:50:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:41,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:41,410 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:41,412 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:43,237 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:43,811 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:43,811 INFO L300 CfgBuilder]: Removed 72 assume(true) statements. [2022-10-17 16:50:43,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:43 BoogieIcfgContainer [2022-10-17 16:50:43,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:43,820 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:43,820 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:43,829 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:43,829 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:43" (1/1) ... [2022-10-17 16:50:43,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:43,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 160 states and 265 transitions. [2022-10-17 16:50:43,902 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 265 transitions. [2022-10-17 16:50:43,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:50:43,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:43,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:44,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:44,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:44,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 160 states and 262 transitions. [2022-10-17 16:50:44,115 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 262 transitions. [2022-10-17 16:50:44,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:50:44,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:44,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:44,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:44,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:44,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 162 states and 265 transitions. [2022-10-17 16:50:44,460 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 265 transitions. [2022-10-17 16:50:44,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:44,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:44,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:44,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:50:44,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:44,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:44,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:44,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 162 states and 256 transitions. [2022-10-17 16:50:44,681 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2022-10-17 16:50:44,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:50:44,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:44,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:44,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:50:44,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:44,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:44,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:44,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 162 states and 254 transitions. [2022-10-17 16:50:44,817 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 254 transitions. [2022-10-17 16:50:44,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:50:44,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:44,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:44,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:50:44,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:44,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:44,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:44,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 162 states and 252 transitions. [2022-10-17 16:50:44,993 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 252 transitions. [2022-10-17 16:50:44,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:50:44,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:44,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:46,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:50:46,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:46,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:46,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:46,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 167 states and 263 transitions. [2022-10-17 16:50:46,448 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 263 transitions. [2022-10-17 16:50:46,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:50:46,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:46,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:46,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:50:46,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:46,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:46,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:46,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 167 states and 253 transitions. [2022-10-17 16:50:46,728 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2022-10-17 16:50:46,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:50:46,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:46,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:47,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 1647 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:50:47,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:47,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:47,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:47,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 179 states and 268 transitions. [2022-10-17 16:50:47,809 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 268 transitions. [2022-10-17 16:50:47,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:50:47,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:47,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:48,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:50:48,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:48,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:49,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:49,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 204 states and 314 transitions. [2022-10-17 16:50:49,531 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 314 transitions. [2022-10-17 16:50:49,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:50:49,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:49,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:50,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 1661 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:50:50,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:50,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:50,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 204 states and 312 transitions. [2022-10-17 16:50:50,160 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 312 transitions. [2022-10-17 16:50:50,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:50:50,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:50,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:50,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 1667 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:50:50,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:50,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:50:50,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:50,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 207 states and 314 transitions. [2022-10-17 16:50:50,915 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 314 transitions. [2022-10-17 16:50:50,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:50:50,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:50,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:51,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:50:51,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:51,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:51,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:51,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 213 states and 326 transitions. [2022-10-17 16:50:51,954 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 326 transitions. [2022-10-17 16:50:51,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:50:51,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:51,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:52,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:50:52,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:52,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:52,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:52,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 211 states and 321 transitions. [2022-10-17 16:50:52,276 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 321 transitions. [2022-10-17 16:50:52,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:50:52,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:52,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:52,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:50:52,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:52,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:50:52,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:52,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 214 states and 323 transitions. [2022-10-17 16:50:52,675 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 323 transitions. [2022-10-17 16:50:52,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:50:52,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:52,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:52,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:50:53,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:53,183 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:54,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:54,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 227 states and 339 transitions. [2022-10-17 16:50:54,114 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 339 transitions. [2022-10-17 16:50:54,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:50:54,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:54,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:54,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:50:54,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:54,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 16:50:54,538 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-10-17 16:50:54,611 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:50:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:54,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 229 states and 342 transitions. [2022-10-17 16:50:54,761 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 342 transitions. [2022-10-17 16:50:54,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:50:54,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:54,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:55,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:50:55,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:55,058 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:50:55,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:55,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 229 states and 339 transitions. [2022-10-17 16:50:55,070 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 339 transitions. [2022-10-17 16:50:55,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:50:55,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:55,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:55,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:50:55,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 16:50:55,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:55,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 229 states and 337 transitions. [2022-10-17 16:50:55,464 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 337 transitions. [2022-10-17 16:50:55,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:50:55,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:55,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:55,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:50:55,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:50:55,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:55,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 229 states and 333 transitions. [2022-10-17 16:50:55,793 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 333 transitions. [2022-10-17 16:50:55,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:50:55,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:55,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:56,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:50:56,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:56,481 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:50:58,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:58,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 244 states and 363 transitions. [2022-10-17 16:50:58,459 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 363 transitions. [2022-10-17 16:50:58,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:50:58,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:58,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:59,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:50:59,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:00,399 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:51:04,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:04,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 250 states and 380 transitions. [2022-10-17 16:51:04,785 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 380 transitions. [2022-10-17 16:51:04,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 16:51:04,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:04,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:05,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:51:05,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:06,218 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:51:07,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:07,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 252 states and 384 transitions. [2022-10-17 16:51:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 384 transitions. [2022-10-17 16:51:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-17 16:51:07,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:07,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:08,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:51:08,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:09,278 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.