./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c --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_cbf08ee5-863f-4a06-b422-73bf98ca0a43/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf08ee5-863f-4a06-b422-73bf98ca0a43/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_cbf08ee5-863f-4a06-b422-73bf98ca0a43/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf08ee5-863f-4a06-b422-73bf98ca0a43/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf08ee5-863f-4a06-b422-73bf98ca0a43/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_cbf08ee5-863f-4a06-b422-73bf98ca0a43/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 099a6c07b0f7802c24b5daaf1ad5a1209a4337f326a0c4ba8ea2f0dea56171ec --- 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 16:57:06,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:57:06,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:57:06,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:57:06,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:57:06,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:57:06,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:57:06,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:57:06,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:57:06,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:57:06,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:57:06,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:57:06,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:57:06,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:57:06,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:57:06,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:57:06,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:57:06,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:57:06,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:57:06,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:57:06,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:57:06,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:57:06,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:57:06,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:57:06,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:57:06,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:57:06,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:57:06,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:57:06,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:57:06,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:57:06,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:57:06,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:57:06,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:57:06,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:57:06,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:57:06,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:57:06,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:57:06,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:57:06,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:57:06,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:57:06,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:57:06,743 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf08ee5-863f-4a06-b422-73bf98ca0a43/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:57:06,796 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:57:06,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:57:06,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:57:06,801 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:57:06,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:57:06,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:57:06,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:57:06,803 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:57:06,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:57:06,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:57:06,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:57:06,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:57:06,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:57:06,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:57:06,805 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:57:06,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:57:06,806 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:57:06,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:57:06,806 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:57:06,807 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:57:06,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:57:06,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:06,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:57:06,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:57:06,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:57:06,808 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:57:06,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:57:06,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:57:06,811 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_cbf08ee5-863f-4a06-b422-73bf98ca0a43/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf08ee5-863f-4a06-b422-73bf98ca0a43/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 099a6c07b0f7802c24b5daaf1ad5a1209a4337f326a0c4ba8ea2f0dea56171ec [2022-10-17 16:57:07,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:57:07,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:57:07,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:57:07,173 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:57:07,174 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:57:07,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf08ee5-863f-4a06-b422-73bf98ca0a43/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c [2022-10-17 16:57:07,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf08ee5-863f-4a06-b422-73bf98ca0a43/bin/ukojak-92XMlrwhuB/data/e96840aa5/46d6a496ce094fbbb649b89840d47f10/FLAGfb665f21d [2022-10-17 16:57:07,839 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:57:07,839 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf08ee5-863f-4a06-b422-73bf98ca0a43/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c [2022-10-17 16:57:07,848 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf08ee5-863f-4a06-b422-73bf98ca0a43/bin/ukojak-92XMlrwhuB/data/e96840aa5/46d6a496ce094fbbb649b89840d47f10/FLAGfb665f21d [2022-10-17 16:57:08,169 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf08ee5-863f-4a06-b422-73bf98ca0a43/bin/ukojak-92XMlrwhuB/data/e96840aa5/46d6a496ce094fbbb649b89840d47f10 [2022-10-17 16:57:08,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:57:08,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:57:08,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:08,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:57:08,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:57:08,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:08" (1/1) ... [2022-10-17 16:57:08,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20445249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:08, skipping insertion in model container [2022-10-17 16:57:08,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:08" (1/1) ... [2022-10-17 16:57:08,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:57:08,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:57:08,422 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_cbf08ee5-863f-4a06-b422-73bf98ca0a43/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c[458,471] [2022-10-17 16:57:08,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:08,458 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:57:08,473 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_cbf08ee5-863f-4a06-b422-73bf98ca0a43/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c[458,471] [2022-10-17 16:57:08,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:08,498 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:57:08,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:08 WrapperNode [2022-10-17 16:57:08,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:08,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:08,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:57:08,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:57:08,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:08" (1/1) ... [2022-10-17 16:57:08,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:08" (1/1) ... [2022-10-17 16:57:08,534 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2022-10-17 16:57:08,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:08,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:57:08,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:57:08,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:57:08,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:08" (1/1) ... [2022-10-17 16:57:08,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:08" (1/1) ... [2022-10-17 16:57:08,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:08" (1/1) ... [2022-10-17 16:57:08,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:08" (1/1) ... [2022-10-17 16:57:08,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:08" (1/1) ... [2022-10-17 16:57:08,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:08" (1/1) ... [2022-10-17 16:57:08,555 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:08" (1/1) ... [2022-10-17 16:57:08,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:08" (1/1) ... [2022-10-17 16:57:08,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:57:08,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:57:08,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:57:08,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:57:08,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:08" (1/1) ... [2022-10-17 16:57:08,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:08,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf08ee5-863f-4a06-b422-73bf98ca0a43/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:57:08,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf08ee5-863f-4a06-b422-73bf98ca0a43/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:57:08,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf08ee5-863f-4a06-b422-73bf98ca0a43/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:57:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:57:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:57:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:57:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:57:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:57:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:57:08,708 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:57:08,710 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:57:08,873 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:57:08,916 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:57:08,916 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:57:08,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:08 BoogieIcfgContainer [2022-10-17 16:57:08,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:57:08,921 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:57:08,921 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:57:08,933 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:57:08,934 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:08" (1/1) ... [2022-10-17 16:57:08,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:57:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:09,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-10-17 16:57:09,009 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-10-17 16:57:09,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:57:09,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:09,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:09,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:57:09,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:09,223 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 16:57:09,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:09,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-10-17 16:57:09,271 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-10-17 16:57:09,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:57:09,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:09,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:09,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:57:09,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:09,442 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 16:57:09,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-10-17 16:57:09,517 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-10-17 16:57:09,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:57:09,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:09,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:09,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:57:09,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:09,696 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 16:57:11,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:11,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2022-10-17 16:57:11,145 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-10-17 16:57:11,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:57:11,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:11,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:11,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:57:11,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:11,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:11,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2022-10-17 16:57:11,818 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2022-10-17 16:57:11,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:57:11,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:11,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:11,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:57:11,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:11,971 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:12,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:12,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2022-10-17 16:57:12,963 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2022-10-17 16:57:12,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:57:12,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:12,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:13,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:57:13,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:13,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:14,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:14,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2022-10-17 16:57:14,330 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2022-10-17 16:57:14,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:57:14,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:14,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:14,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:57:14,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:14,441 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:14,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:14,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2022-10-17 16:57:14,966 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2022-10-17 16:57:14,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:57:14,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:14,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:15,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:57:15,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:15,097 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:57:15,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:15,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2022-10-17 16:57:15,226 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2022-10-17 16:57:15,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:57:15,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:15,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:15,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:57:15,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:15,407 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:16,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:16,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 46 states and 99 transitions. [2022-10-17 16:57:16,569 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 99 transitions. [2022-10-17 16:57:16,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:57:16,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:16,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:16,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:57:16,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:16,796 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:57:18,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:18,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 50 states and 113 transitions. [2022-10-17 16:57:18,125 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 113 transitions. [2022-10-17 16:57:18,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:57:18,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:18,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:18,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:57:18,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:18,374 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:57:29,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:57:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:29,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 52 states and 114 transitions. [2022-10-17 16:57:29,989 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 114 transitions. [2022-10-17 16:57:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:57:29,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:29,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:30,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:57:30,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:30,085 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:31,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:31,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 129 transitions. [2022-10-17 16:57:31,162 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 129 transitions. [2022-10-17 16:57:31,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:57:31,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:31,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:31,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:57:31,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:57:32,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:32,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 58 states and 130 transitions. [2022-10-17 16:57:32,033 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 130 transitions. [2022-10-17 16:57:32,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:57:32,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:32,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:32,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:57:32,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:32,457 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:57:35,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:35,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 68 states and 171 transitions. [2022-10-17 16:57:35,204 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 171 transitions. [2022-10-17 16:57:35,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:57:35,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:35,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:35,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:57:35,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:35,357 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:57:35,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:35,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 70 states and 173 transitions. [2022-10-17 16:57:35,996 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 173 transitions. [2022-10-17 16:57:35,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:57:35,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:35,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:36,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:57:36,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:36,395 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:57:38,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:38,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 74 states and 188 transitions. [2022-10-17 16:57:38,375 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 188 transitions. [2022-10-17 16:57:38,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:57:38,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:38,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:38,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:57:38,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:38,840 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:57:39,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:39,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 76 states and 189 transitions. [2022-10-17 16:57:39,821 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 189 transitions. [2022-10-17 16:57:39,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:57:39,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:39,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:39,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:57:39,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.