./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.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_aa293402-74df-4249-9ee0-4eb1364a79a4/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa293402-74df-4249-9ee0-4eb1364a79a4/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_aa293402-74df-4249-9ee0-4eb1364a79a4/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa293402-74df-4249-9ee0-4eb1364a79a4/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa293402-74df-4249-9ee0-4eb1364a79a4/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_aa293402-74df-4249-9ee0-4eb1364a79a4/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 e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 --- 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 16:45:34,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:45:34,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:45:34,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:45:34,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:45:34,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:45:34,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:45:34,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:45:34,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:45:34,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:45:34,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:45:34,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:45:34,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:45:34,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:45:34,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:45:34,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:45:34,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:45:34,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:45:34,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:45:34,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:45:34,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:45:34,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:45:34,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:45:34,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:45:34,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:45:34,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:45:34,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:45:34,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:45:34,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:45:34,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:45:34,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:45:34,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:45:34,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:45:34,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:45:34,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:45:34,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:45:34,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:45:34,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:45:34,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:45:34,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:45:34,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:45:34,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa293402-74df-4249-9ee0-4eb1364a79a4/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:45:34,566 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:45:34,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:45:34,567 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:45:34,567 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:45:34,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:45:34,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:45:34,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:45:34,569 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:45:34,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:45:34,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:45:34,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:45:34,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:45:34,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:45:34,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:45:34,570 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:45:34,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:45:34,570 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:45:34,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:45:34,571 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:45:34,571 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:45:34,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:45:34,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:34,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:45:34,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:45:34,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:45:34,572 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:45:34,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:45:34,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:45:34,573 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_aa293402-74df-4249-9ee0-4eb1364a79a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa293402-74df-4249-9ee0-4eb1364a79a4/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 [2022-10-17 16:45:34,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:45:34,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:45:34,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:45:34,871 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:45:34,872 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:45:34,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa293402-74df-4249-9ee0-4eb1364a79a4/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2022-10-17 16:45:34,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa293402-74df-4249-9ee0-4eb1364a79a4/bin/ukojak-92XMlrwhuB/data/f050e3ff1/979aedcb3a1447749e5ba7a2a60df5a3/FLAGd285aa4dd [2022-10-17 16:45:35,442 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:45:35,442 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa293402-74df-4249-9ee0-4eb1364a79a4/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2022-10-17 16:45:35,450 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa293402-74df-4249-9ee0-4eb1364a79a4/bin/ukojak-92XMlrwhuB/data/f050e3ff1/979aedcb3a1447749e5ba7a2a60df5a3/FLAGd285aa4dd [2022-10-17 16:45:35,800 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa293402-74df-4249-9ee0-4eb1364a79a4/bin/ukojak-92XMlrwhuB/data/f050e3ff1/979aedcb3a1447749e5ba7a2a60df5a3 [2022-10-17 16:45:35,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:45:35,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:45:35,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:35,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:45:35,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:45:35,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:35" (1/1) ... [2022-10-17 16:45:35,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f4dc6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:35, skipping insertion in model container [2022-10-17 16:45:35,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:35" (1/1) ... [2022-10-17 16:45:35,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:45:35,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:45:36,023 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_aa293402-74df-4249-9ee0-4eb1364a79a4/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c[458,471] [2022-10-17 16:45:36,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:36,064 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:45:36,081 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_aa293402-74df-4249-9ee0-4eb1364a79a4/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c[458,471] [2022-10-17 16:45:36,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:36,121 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:45:36,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:36 WrapperNode [2022-10-17 16:45:36,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:36,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:36,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:45:36,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:45:36,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:36" (1/1) ... [2022-10-17 16:45:36,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:36" (1/1) ... [2022-10-17 16:45:36,162 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2022-10-17 16:45:36,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:36,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:45:36,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:45:36,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:45:36,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:36" (1/1) ... [2022-10-17 16:45:36,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:36" (1/1) ... [2022-10-17 16:45:36,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:36" (1/1) ... [2022-10-17 16:45:36,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:36" (1/1) ... [2022-10-17 16:45:36,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:36" (1/1) ... [2022-10-17 16:45:36,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:36" (1/1) ... [2022-10-17 16:45:36,183 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:36" (1/1) ... [2022-10-17 16:45:36,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:36" (1/1) ... [2022-10-17 16:45:36,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:45:36,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:45:36,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:45:36,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:45:36,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:36" (1/1) ... [2022-10-17 16:45:36,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:36,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa293402-74df-4249-9ee0-4eb1364a79a4/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:45:36,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa293402-74df-4249-9ee0-4eb1364a79a4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:45:36,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa293402-74df-4249-9ee0-4eb1364a79a4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:45:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:45:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:45:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:45:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:45:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:45:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:45:36,365 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:45:36,367 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:45:36,572 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:45:36,601 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:45:36,602 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:45:36,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:36 BoogieIcfgContainer [2022-10-17 16:45:36,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:45:36,605 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:45:36,606 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:45:36,617 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:45:36,617 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:36" (1/1) ... [2022-10-17 16:45:36,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:45:36,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:36,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-10-17 16:45:36,686 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-10-17 16:45:36,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:45:36,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:36,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:36,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:45:36,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:36,873 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 16:45:36,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:36,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-10-17 16:45:36,892 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-10-17 16:45:36,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:45:36,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:36,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:36,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:45:36,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:37,040 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 16:45:37,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:37,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-10-17 16:45:37,094 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-10-17 16:45:37,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:45:37,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:37,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:37,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:45:37,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:37,220 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 16:45:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2022-10-17 16:45:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-10-17 16:45:37,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:45:37,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:37,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:37,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:45:37,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:38,634 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 16:45:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:39,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2022-10-17 16:45:39,029 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2022-10-17 16:45:39,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:45:39,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:39,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:39,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:45:39,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:39,205 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 16:45:39,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:39,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2022-10-17 16:45:39,996 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2022-10-17 16:45:39,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:45:39,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:39,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:40,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:45:40,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:40,118 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 16:45:41,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:41,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2022-10-17 16:45:41,147 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2022-10-17 16:45:41,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:45:41,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:41,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:41,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:45:41,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:41,242 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 16:45:41,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:41,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2022-10-17 16:45:41,702 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2022-10-17 16:45:41,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:45:41,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:41,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:41,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:45:41,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:41,786 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 16:45:41,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:41,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2022-10-17 16:45:41,930 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2022-10-17 16:45:41,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:45:41,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:41,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:42,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:45:42,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:42,212 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:45:43,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:43,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 96 transitions. [2022-10-17 16:45:43,512 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 96 transitions. [2022-10-17 16:45:43,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:45:43,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:43,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:43,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:45:43,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:43,679 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 16:45:45,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:45,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 54 states and 130 transitions. [2022-10-17 16:45:45,052 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 130 transitions. [2022-10-17 16:45:45,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:45:45,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:45,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:45,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:45:45,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:45,231 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 16:45:46,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:46,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 56 states and 131 transitions. [2022-10-17 16:45:46,147 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 131 transitions. [2022-10-17 16:45:46,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:45:46,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:46,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:46,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:45:46,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:45:47,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:47,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 58 states and 132 transitions. [2022-10-17 16:45:47,424 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 132 transitions. [2022-10-17 16:45:47,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:45:47,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:47,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:47,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:45:47,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:47,518 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 16:45:47,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:47,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 58 states and 131 transitions. [2022-10-17 16:45:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 131 transitions. [2022-10-17 16:45:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:45:47,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:47,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:47,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:45:47,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:48,205 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 16:46:00,531 WARN L233 SmtUtils]: Spent 10.36s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-17 16:46:01,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:01,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 68 states and 172 transitions. [2022-10-17 16:46:01,720 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 172 transitions. [2022-10-17 16:46:01,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:46:01,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:01,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:01,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:46:01,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:02,016 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 16:46:03,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:03,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 70 states and 174 transitions. [2022-10-17 16:46:03,079 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 174 transitions. [2022-10-17 16:46:03,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:46:03,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:03,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:03,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:46:03,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:03,725 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 16:46:06,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:06,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 74 states and 190 transitions. [2022-10-17 16:46:06,688 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 190 transitions. [2022-10-17 16:46:06,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:46:06,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:06,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:06,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:46:06,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:07,317 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:46:08,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:08,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 76 states and 191 transitions. [2022-10-17 16:46:08,840 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 191 transitions. [2022-10-17 16:46:08,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:46:08,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:08,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:08,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:46:08,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:09,273 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.