./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.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_b4686b29-dc36-48df-8bf9-d9667f8148b8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4686b29-dc36-48df-8bf9-d9667f8148b8/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_b4686b29-dc36-48df-8bf9-d9667f8148b8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4686b29-dc36-48df-8bf9-d9667f8148b8/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4686b29-dc36-48df-8bf9-d9667f8148b8/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_b4686b29-dc36-48df-8bf9-d9667f8148b8/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 c39f3d25be406fa166da46a61b4a36c0a90262202dfdee83ae8e5211f182a6f7 --- 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 16:42:48,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:42:48,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:42:48,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:42:48,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:42:48,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:42:48,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:42:48,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:42:48,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:42:48,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:42:48,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:42:48,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:42:48,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:42:48,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:42:48,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:42:48,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:42:48,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:42:48,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:42:48,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:42:48,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:42:48,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:42:48,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:42:48,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:42:48,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:42:48,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:42:48,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:42:48,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:42:48,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:42:48,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:42:48,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:42:48,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:42:48,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:42:48,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:42:48,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:42:48,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:42:48,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:42:48,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:42:48,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:42:48,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:42:48,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:42:48,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:42:48,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4686b29-dc36-48df-8bf9-d9667f8148b8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:42:48,509 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:42:48,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:42:48,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:42:48,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:42:48,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:42:48,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:42:48,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:42:48,512 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:42:48,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:42:48,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:42:48,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:42:48,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:42:48,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:42:48,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:42:48,514 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:42:48,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:42:48,515 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:42:48,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:42:48,519 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:42:48,519 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:42:48,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:42:48,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:48,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:42:48,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:42:48,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:42:48,522 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:42:48,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:42:48,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:42:48,523 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_b4686b29-dc36-48df-8bf9-d9667f8148b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4686b29-dc36-48df-8bf9-d9667f8148b8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c39f3d25be406fa166da46a61b4a36c0a90262202dfdee83ae8e5211f182a6f7 [2022-10-17 16:42:48,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:42:48,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:42:48,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:42:48,902 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:42:48,903 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:42:48,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4686b29-dc36-48df-8bf9-d9667f8148b8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c [2022-10-17 16:42:48,982 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4686b29-dc36-48df-8bf9-d9667f8148b8/bin/ukojak-92XMlrwhuB/data/22813bb9b/474814e48c124c8ab776e114ae548ef9/FLAG2bd2ed14f [2022-10-17 16:42:49,417 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:42:49,417 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4686b29-dc36-48df-8bf9-d9667f8148b8/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c [2022-10-17 16:42:49,424 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4686b29-dc36-48df-8bf9-d9667f8148b8/bin/ukojak-92XMlrwhuB/data/22813bb9b/474814e48c124c8ab776e114ae548ef9/FLAG2bd2ed14f [2022-10-17 16:42:49,813 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4686b29-dc36-48df-8bf9-d9667f8148b8/bin/ukojak-92XMlrwhuB/data/22813bb9b/474814e48c124c8ab776e114ae548ef9 [2022-10-17 16:42:49,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:42:49,817 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:42:49,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:49,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:42:49,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:42:49,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:49" (1/1) ... [2022-10-17 16:42:49,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@631fd22f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:49, skipping insertion in model container [2022-10-17 16:42:49,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:49" (1/1) ... [2022-10-17 16:42:49,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:42:49,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:42:50,084 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_b4686b29-dc36-48df-8bf9-d9667f8148b8/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c[526,539] [2022-10-17 16:42:50,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:50,120 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:42:50,138 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_b4686b29-dc36-48df-8bf9-d9667f8148b8/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c[526,539] [2022-10-17 16:42:50,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:50,172 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:42:50,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50 WrapperNode [2022-10-17 16:42:50,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:50,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:50,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:42:50,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:42:50,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:50,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:50,219 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2022-10-17 16:42:50,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:50,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:42:50,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:42:50,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:42:50,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:50,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:50,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:50,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:50,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:50,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:50,261 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:50,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:50,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:42:50,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:42:50,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:42:50,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:42:50,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:50,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:50,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4686b29-dc36-48df-8bf9-d9667f8148b8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:42:50,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4686b29-dc36-48df-8bf9-d9667f8148b8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:42:50,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4686b29-dc36-48df-8bf9-d9667f8148b8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:42:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:42:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:42:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:42:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:42:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:42:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:42:50,420 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:42:50,422 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:42:50,556 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:42:50,600 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:42:50,600 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:42:50,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:50 BoogieIcfgContainer [2022-10-17 16:42:50,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:42:50,604 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:42:50,605 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:42:50,616 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:42:50,616 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:50,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:42:50,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-10-17 16:42:50,689 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-10-17 16:42:50,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:42:50,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:50,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:50,985 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 16:42:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:51,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 38 transitions. [2022-10-17 16:42:51,135 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2022-10-17 16:42:51,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:42:51,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:51,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:51,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:51,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 42 transitions. [2022-10-17 16:42:51,546 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2022-10-17 16:42:51,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:42:51,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:51,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:51,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:42:51,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:51,812 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 16:42:52,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:52,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 49 transitions. [2022-10-17 16:42:52,117 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2022-10-17 16:42:52,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:42:52,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:52,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:52,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:42:52,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:52,268 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:42:52,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:52,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 54 transitions. [2022-10-17 16:42:52,468 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2022-10-17 16:42:52,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:42:52,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:52,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:52,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:42:52,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:52,683 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:42:53,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:53,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 62 transitions. [2022-10-17 16:42:53,009 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2022-10-17 16:42:53,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:42:53,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:53,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:53,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:42:53,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:53,164 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:42:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:53,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 43 states and 72 transitions. [2022-10-17 16:42:53,845 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2022-10-17 16:42:53,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:42:53,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:53,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:53,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:42:53,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:53,966 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:42:54,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:54,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 46 states and 80 transitions. [2022-10-17 16:42:54,098 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2022-10-17 16:42:54,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:42:54,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:54,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:54,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:42:54,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:54,196 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:42:54,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:54,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 88 transitions. [2022-10-17 16:42:54,549 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2022-10-17 16:42:54,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:42:54,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:54,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:54,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:42:54,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:42:54,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:54,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 51 states and 89 transitions. [2022-10-17 16:42:54,976 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2022-10-17 16:42:54,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:42:54,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:54,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:55,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:42:55,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:55,104 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-10-17 16:42:55,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:55,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 51 states and 88 transitions. [2022-10-17 16:42:55,315 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2022-10-17 16:42:55,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:42:55,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:55,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:55,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:42:55,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:55,531 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:42:56,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:56,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 56 states and 98 transitions. [2022-10-17 16:42:56,444 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 98 transitions. [2022-10-17 16:42:56,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:42:56,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:56,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:56,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:42:56,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:42:57,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:57,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 62 states and 113 transitions. [2022-10-17 16:42:57,738 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2022-10-17 16:42:57,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:42:57,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:57,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:57,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:42:57,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:57,953 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 16:42:58,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:58,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 64 states and 118 transitions. [2022-10-17 16:42:58,229 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 118 transitions. [2022-10-17 16:42:58,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:42:58,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:58,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:58,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:42:58,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:58,343 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-10-17 16:42:58,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:58,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 64 states and 117 transitions. [2022-10-17 16:42:58,620 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2022-10-17 16:42:58,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:42:58,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:58,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:58,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 16:42:58,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-17 16:43:00,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:00,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 73 states and 134 transitions. [2022-10-17 16:43:00,724 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 134 transitions. [2022-10-17 16:43:00,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:43:00,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:00,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:00,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:43:00,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:00,964 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:43:02,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:02,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 78 states and 144 transitions. [2022-10-17 16:43:02,267 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 144 transitions. [2022-10-17 16:43:02,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:43:02,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:02,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:02,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:43:02,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:02,512 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:43:03,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:03,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 78 states and 143 transitions. [2022-10-17 16:43:03,056 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 143 transitions. [2022-10-17 16:43:03,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:43:03,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:03,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:03,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:43:03,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:03,680 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:43:04,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:04,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 84 states and 158 transitions. [2022-10-17 16:43:04,920 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 158 transitions. [2022-10-17 16:43:04,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:43:04,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:04,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:04,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 16:43:04,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:05,518 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 16:43:06,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 86 states and 163 transitions. [2022-10-17 16:43:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 163 transitions. [2022-10-17 16:43:06,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:43:06,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:06,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:06,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:43:06,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:06,394 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-10-17 16:43:06,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:06,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 86 states and 162 transitions. [2022-10-17 16:43:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 162 transitions. [2022-10-17 16:43:06,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:43:06,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:06,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:06,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:43:06,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 41 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-17 16:43:08,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 88 states and 172 transitions. [2022-10-17 16:43:08,216 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 172 transitions. [2022-10-17 16:43:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 16:43:08,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:08,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:08,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 16:43:08,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 26 proven. 23 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-17 16:43:10,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:10,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 92 states and 185 transitions. [2022-10-17 16:43:10,265 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 185 transitions. [2022-10-17 16:43:10,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 16:43:10,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:10,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:10,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:43:10,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:10,972 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 28 proven. 46 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 16:43:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:13,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 97 states and 196 transitions. [2022-10-17 16:43:13,525 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 196 transitions. [2022-10-17 16:43:13,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:43:13,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:13,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:13,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 16:43:13,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 28 proven. 25 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 16:43:14,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:14,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 99 states and 201 transitions. [2022-10-17 16:43:14,629 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 201 transitions. [2022-10-17 16:43:14,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:43:14,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:14,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:14,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 16:43:14,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:15,117 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 28 proven. 25 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 16:43:15,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:15,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 101 states and 206 transitions. [2022-10-17 16:43:15,678 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 206 transitions. [2022-10-17 16:43:15,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:43:15,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:15,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:15,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 16:43:15,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:16,278 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 28 proven. 32 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 16:43:18,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:18,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 108 states and 225 transitions. [2022-10-17 16:43:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 225 transitions. [2022-10-17 16:43:18,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 16:43:18,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:18,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:18,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 16:43:18,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-10-17 16:43:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:19,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 110 states and 230 transitions. [2022-10-17 16:43:19,624 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 230 transitions. [2022-10-17 16:43:19,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 16:43:19,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:19,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:19,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:43:19,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2022-10-17 16:43:20,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:20,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 110 states and 229 transitions. [2022-10-17 16:43:20,264 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 229 transitions. [2022-10-17 16:43:20,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-17 16:43:20,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:20,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:20,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 16:43:20,325 INFO L286 TraceCheckSpWp]: Computing forward predicates...