./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/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_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 --- 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 16:37:58,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:58,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:58,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:58,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:58,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:58,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:58,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:58,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:58,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:58,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:58,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:58,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:58,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:58,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:58,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:58,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:58,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:58,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:58,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:58,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:58,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:58,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:58,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:58,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:58,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:58,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:58,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:58,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:58,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:58,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:58,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:58,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:58,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:58,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:58,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:58,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:58,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:58,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:58,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:58,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:58,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 16:37:58,589 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:58,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:58,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:37:58,591 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:37:58,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:58,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:58,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:58,592 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:37:58,592 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:37:58,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:37:58,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:37:58,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:58,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:37:58,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:58,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:37:58,595 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:37:58,595 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:37:58,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:37:58,595 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:58,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:37:58,596 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:58,596 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:58,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:58,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:58,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:58,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:58,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:37:58,599 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:37:58,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:37:58,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:37:58,599 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_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 [2022-10-17 16:37:58,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:58,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:58,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:58,884 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:58,885 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:58,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2022-10-17 16:37:58,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/bin/ukojak-92XMlrwhuB/data/caee81ced/b42ede0308b04930817788d05b44102c/FLAG1499bd183 [2022-10-17 16:37:59,626 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:59,627 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2022-10-17 16:37:59,656 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/bin/ukojak-92XMlrwhuB/data/caee81ced/b42ede0308b04930817788d05b44102c/FLAG1499bd183 [2022-10-17 16:37:59,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/bin/ukojak-92XMlrwhuB/data/caee81ced/b42ede0308b04930817788d05b44102c [2022-10-17 16:37:59,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:59,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:59,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:59,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:59,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:59,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:59" (1/1) ... [2022-10-17 16:37:59,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a5ef80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:59, skipping insertion in model container [2022-10-17 16:37:59,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:59" (1/1) ... [2022-10-17 16:37:59,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:59,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:38:00,335 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_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[33021,33034] [2022-10-17 16:38:00,537 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_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[84583,84596] [2022-10-17 16:38:00,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:00,561 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:38:00,606 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_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[33021,33034] [2022-10-17 16:38:00,757 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_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[84583,84596] [2022-10-17 16:38:00,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:00,805 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:38:00,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:00 WrapperNode [2022-10-17 16:38:00,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:00,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:00,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:38:00,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:38:00,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:00" (1/1) ... [2022-10-17 16:38:00,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:00" (1/1) ... [2022-10-17 16:38:01,008 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2872 [2022-10-17 16:38:01,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:01,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:38:01,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:38:01,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:38:01,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:00" (1/1) ... [2022-10-17 16:38:01,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:00" (1/1) ... [2022-10-17 16:38:01,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:00" (1/1) ... [2022-10-17 16:38:01,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:00" (1/1) ... [2022-10-17 16:38:01,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:00" (1/1) ... [2022-10-17 16:38:01,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:00" (1/1) ... [2022-10-17 16:38:01,152 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:00" (1/1) ... [2022-10-17 16:38:01,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:00" (1/1) ... [2022-10-17 16:38:01,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:38:01,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:38:01,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:38:01,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:38:01,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:00" (1/1) ... [2022-10-17 16:38:01,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:01,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:38:01,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:38:01,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2a9d372-9eb3-4e00-a80c-776b6af31bfb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:38:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:38:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:38:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:38:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:38:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 16:38:01,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 16:38:01,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:38:01,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:38:01,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:38:01,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:38:01,301 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 16:38:01,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:38:01,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:38:01,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:38:01,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:38:01,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:38:01,544 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:38:01,557 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:38:04,533 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:38:05,064 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:38:05,065 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-10-17 16:38:05,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:05 BoogieIcfgContainer [2022-10-17 16:38:05,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:38:05,072 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:38:05,072 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:38:05,082 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:38:05,083 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:05" (1/1) ... [2022-10-17 16:38:05,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:38:05,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 1109 states and 2178 transitions. [2022-10-17 16:38:05,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 2178 transitions. [2022-10-17 16:38:05,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:38:05,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:05,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:05,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:38:05,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:05,497 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-17 16:38:05,513 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 16:38:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:05,570 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 16:38:05,580 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 16:38:05,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:05,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1112 states and 2183 transitions. [2022-10-17 16:38:05,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2183 transitions. [2022-10-17 16:38:05,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:38:05,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:05,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:05,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:38:05,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:05,783 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 16:38:05,794 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-17 16:38:05,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:05,841 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 16:38:05,849 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 16:38:05,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:05,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 1113 states and 2184 transitions. [2022-10-17 16:38:05,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2184 transitions. [2022-10-17 16:38:05,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:38:05,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:05,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:06,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:38:06,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:06,041 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 16:38:06,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:06,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 1113 states and 2182 transitions. [2022-10-17 16:38:06,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2182 transitions. [2022-10-17 16:38:06,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:38:06,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:06,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:06,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:06,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:06,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1113 states and 2177 transitions. [2022-10-17 16:38:06,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2177 transitions. [2022-10-17 16:38:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:38:06,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:06,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:06,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:38:06,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:06,464 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 16:38:06,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:06,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 1113 states and 2173 transitions. [2022-10-17 16:38:06,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2173 transitions. [2022-10-17 16:38:06,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:38:06,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:06,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:06,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:38:06,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:06,589 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 16:38:06,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:06,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 1113 states and 2167 transitions. [2022-10-17 16:38:06,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2167 transitions. [2022-10-17 16:38:06,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:38:06,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:06,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:06,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:38:06,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:06,741 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 16:38:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:06,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1113 states and 2159 transitions. [2022-10-17 16:38:06,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2159 transitions. [2022-10-17 16:38:06,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:38:06,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:06,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:07,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:38:07,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:07,561 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 16:38:07,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:07,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1127 states and 2176 transitions. [2022-10-17 16:38:07,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2176 transitions. [2022-10-17 16:38:07,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:38:07,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:07,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:08,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:38:08,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:08,126 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 16:38:08,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:08,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1127 states and 2174 transitions. [2022-10-17 16:38:08,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2174 transitions. [2022-10-17 16:38:08,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:38:08,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:08,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:08,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 1592 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:38:08,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:08,784 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 16:38:08,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:08,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1127 states and 2172 transitions. [2022-10-17 16:38:08,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2172 transitions. [2022-10-17 16:38:08,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:38:08,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:08,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:09,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 1598 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:38:09,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:09,664 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 16:38:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:09,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1130 states and 2174 transitions. [2022-10-17 16:38:09,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 2174 transitions. [2022-10-17 16:38:09,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:38:09,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:09,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:11,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:38:11,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:11,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:11,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1130 states and 2174 transitions. [2022-10-17 16:38:11,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 2174 transitions. [2022-10-17 16:38:11,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:38:11,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:11,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:12,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:38:12,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:12,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:12,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:12,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1130 states and 2174 transitions. [2022-10-17 16:38:12,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 2174 transitions. [2022-10-17 16:38:12,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:38:12,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:12,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:13,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:38:13,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:13,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:13,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:13,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1130 states and 2174 transitions. [2022-10-17 16:38:13,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 2174 transitions. [2022-10-17 16:38:13,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:38:13,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:13,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:14,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:38:14,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:14,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:14,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:14,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1130 states and 2174 transitions. [2022-10-17 16:38:14,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 2174 transitions. [2022-10-17 16:38:14,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:38:14,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:14,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:16,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:38:16,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:16,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:16,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 1132 states and 2178 transitions. [2022-10-17 16:38:16,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 2178 transitions. [2022-10-17 16:38:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:38:16,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:16,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:19,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:38:19,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:20,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 1132 states and 2178 transitions. [2022-10-17 16:38:20,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 2178 transitions. [2022-10-17 16:38:20,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:38:20,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:20,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:28,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:38:28,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:28,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:28,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 1134 states and 2181 transitions. [2022-10-17 16:38:28,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 2181 transitions. [2022-10-17 16:38:28,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:38:28,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:28,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms