./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.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_fbda4448-5fb5-48b1-9040-553debdabb9b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbda4448-5fb5-48b1-9040-553debdabb9b/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_fbda4448-5fb5-48b1-9040-553debdabb9b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbda4448-5fb5-48b1-9040-553debdabb9b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbda4448-5fb5-48b1-9040-553debdabb9b/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_fbda4448-5fb5-48b1-9040-553debdabb9b/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 ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad --- 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 16:47:43,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:47:43,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:47:43,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:47:43,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:47:43,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:47:43,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:47:43,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:47:43,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:47:43,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:47:43,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:47:43,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:47:43,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:47:43,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:47:43,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:47:43,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:47:43,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:47:43,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:47:43,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:47:43,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:47:43,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:47:43,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:47:43,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:47:43,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:47:43,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:47:43,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:47:43,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:47:43,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:47:43,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:47:43,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:47:43,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:47:43,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:47:43,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:47:43,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:47:43,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:47:43,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:47:43,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:47:43,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:47:43,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:47:43,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:47:43,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:47:43,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbda4448-5fb5-48b1-9040-553debdabb9b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:47:43,235 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:47:43,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:47:43,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:47:43,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:47:43,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:47:43,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:47:43,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:47:43,238 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:47:43,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:47:43,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:47:43,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:47:43,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:47:43,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:47:43,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:47:43,240 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:47:43,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:47:43,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:47:43,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:47:43,241 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:47:43,241 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:47:43,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:47:43,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:43,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:47:43,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:47:43,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:47:43,243 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:47:43,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:47:43,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:47:43,249 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_fbda4448-5fb5-48b1-9040-553debdabb9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbda4448-5fb5-48b1-9040-553debdabb9b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad [2022-10-17 16:47:43,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:47:43,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:47:43,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:47:43,518 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:47:43,519 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:47:43,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbda4448-5fb5-48b1-9040-553debdabb9b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2022-10-17 16:47:43,594 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbda4448-5fb5-48b1-9040-553debdabb9b/bin/ukojak-92XMlrwhuB/data/cac018937/d6a5a57e1baf4bbe8ce40d373718e156/FLAGb0a4617a7 [2022-10-17 16:47:44,033 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:47:44,034 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbda4448-5fb5-48b1-9040-553debdabb9b/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2022-10-17 16:47:44,043 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbda4448-5fb5-48b1-9040-553debdabb9b/bin/ukojak-92XMlrwhuB/data/cac018937/d6a5a57e1baf4bbe8ce40d373718e156/FLAGb0a4617a7 [2022-10-17 16:47:44,416 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbda4448-5fb5-48b1-9040-553debdabb9b/bin/ukojak-92XMlrwhuB/data/cac018937/d6a5a57e1baf4bbe8ce40d373718e156 [2022-10-17 16:47:44,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:47:44,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:47:44,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:44,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:47:44,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:47:44,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:44" (1/1) ... [2022-10-17 16:47:44,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1956652e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:44, skipping insertion in model container [2022-10-17 16:47:44,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:44" (1/1) ... [2022-10-17 16:47:44,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:47:44,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:47:44,612 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_fbda4448-5fb5-48b1-9040-553debdabb9b/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c[458,471] [2022-10-17 16:47:44,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:44,658 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:47:44,668 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_fbda4448-5fb5-48b1-9040-553debdabb9b/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c[458,471] [2022-10-17 16:47:44,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:44,689 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:47:44,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:44 WrapperNode [2022-10-17 16:47:44,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:44,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:44,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:47:44,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:47:44,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:44" (1/1) ... [2022-10-17 16:47:44,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:44" (1/1) ... [2022-10-17 16:47:44,725 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2022-10-17 16:47:44,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:44,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:47:44,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:47:44,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:47:44,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:44" (1/1) ... [2022-10-17 16:47:44,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:44" (1/1) ... [2022-10-17 16:47:44,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:44" (1/1) ... [2022-10-17 16:47:44,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:44" (1/1) ... [2022-10-17 16:47:44,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:44" (1/1) ... [2022-10-17 16:47:44,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:44" (1/1) ... [2022-10-17 16:47:44,745 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:44" (1/1) ... [2022-10-17 16:47:44,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:44" (1/1) ... [2022-10-17 16:47:44,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:47:44,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:47:44,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:47:44,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:47:44,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:44" (1/1) ... [2022-10-17 16:47:44,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:44,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbda4448-5fb5-48b1-9040-553debdabb9b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:47:44,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbda4448-5fb5-48b1-9040-553debdabb9b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:47:44,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbda4448-5fb5-48b1-9040-553debdabb9b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:47:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:47:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:47:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:47:44,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:47:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:47:44,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:47:44,920 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:47:44,922 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:47:45,106 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:47:45,140 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:47:45,140 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:47:45,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:45 BoogieIcfgContainer [2022-10-17 16:47:45,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:47:45,144 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:47:45,144 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:47:45,155 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:47:45,155 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:45" (1/1) ... [2022-10-17 16:47:45,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:47:45,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:45,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-10-17 16:47:45,237 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-10-17 16:47:45,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:47:45,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:45,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:45,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:47:45,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:45,410 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 16:47:45,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:45,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-10-17 16:47:45,447 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-10-17 16:47:45,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:47:45,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:45,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:45,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:47:45,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:45,559 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 16:47:45,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:45,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-10-17 16:47:45,616 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-10-17 16:47:45,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:47:45,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:45,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:45,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:47:45,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:45,817 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 16:47:46,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:46,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2022-10-17 16:47:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-10-17 16:47:46,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:47:46,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:46,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:46,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:47:46,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:46,762 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 16:47:47,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:47,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2022-10-17 16:47:47,139 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2022-10-17 16:47:47,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:47:47,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:47,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:47,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:47:47,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:47,356 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 16:47:48,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:48,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2022-10-17 16:47:48,427 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2022-10-17 16:47:48,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:47:48,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:48,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:48,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:47:48,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:48,586 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 16:47:49,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:49,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2022-10-17 16:47:49,527 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2022-10-17 16:47:49,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:47:49,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:49,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:49,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:47:49,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:49,604 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 16:47:50,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:50,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2022-10-17 16:47:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2022-10-17 16:47:50,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:47:50,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:50,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:50,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:47:50,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:50,171 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 16:47:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:50,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2022-10-17 16:47:50,443 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2022-10-17 16:47:50,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:47:50,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:50,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:50,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:47:50,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:50,608 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 16:47:51,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:51,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 95 transitions. [2022-10-17 16:47:51,895 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 95 transitions. [2022-10-17 16:47:51,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:47:51,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:51,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:51,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:47:51,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:52,091 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 16:47:52,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:52,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2022-10-17 16:47:52,682 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2022-10-17 16:47:52,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:47:52,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:52,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:52,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:47:52,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:52,843 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 16:47:54,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:54,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 129 transitions. [2022-10-17 16:47:54,664 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 129 transitions. [2022-10-17 16:47:54,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:47:54,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:54,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:54,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:47:54,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:54,791 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 16:47:55,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:55,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 59 states and 132 transitions. [2022-10-17 16:47:55,805 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 132 transitions. [2022-10-17 16:47:55,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:47:55,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:55,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:55,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:47:55,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:55,899 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 16:47:56,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:56,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 59 states and 131 transitions. [2022-10-17 16:47:56,165 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 131 transitions. [2022-10-17 16:47:56,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:47:56,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:56,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:56,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:47:56,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:56,506 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 16:47:58,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:58,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 69 states and 172 transitions. [2022-10-17 16:47:58,992 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 172 transitions. [2022-10-17 16:47:58,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:47:58,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:58,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:59,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:47:59,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:59,095 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 16:48:00,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:00,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 72 states and 176 transitions. [2022-10-17 16:48:00,035 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 176 transitions. [2022-10-17 16:48:00,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:48:00,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:00,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:00,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:48:00,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:00,382 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 16:48:02,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:02,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 76 states and 190 transitions. [2022-10-17 16:48:02,163 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 190 transitions. [2022-10-17 16:48:02,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:48:02,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:02,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:02,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:48:02,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:02,485 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 16:48:03,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:03,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 78 states and 191 transitions. [2022-10-17 16:48:03,506 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 191 transitions. [2022-10-17 16:48:03,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:48:03,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:03,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:03,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:48:03,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:03,740 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:06,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:06,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 236 transitions. [2022-10-17 16:48:06,092 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 236 transitions. [2022-10-17 16:48:06,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:48:06,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:06,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:06,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:48:06,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:06,471 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 16:48:07,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:07,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 89 states and 239 transitions. [2022-10-17 16:48:07,778 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 239 transitions. [2022-10-17 16:48:07,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:48:07,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:07,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:07,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:48:07,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:08,043 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 16:48:09,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:09,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 92 states and 242 transitions. [2022-10-17 16:48:09,253 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 242 transitions. [2022-10-17 16:48:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:48:09,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:09,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:09,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:48:09,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:09,330 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:09,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:09,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 92 states and 241 transitions. [2022-10-17 16:48:09,699 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 241 transitions. [2022-10-17 16:48:09,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:48:09,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:09,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:09,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:48:09,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:09,776 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:10,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:10,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 92 states and 240 transitions. [2022-10-17 16:48:10,149 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 240 transitions. [2022-10-17 16:48:10,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:48:10,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:10,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:10,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:48:10,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:10,724 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:48:15,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:15,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 102 states and 288 transitions. [2022-10-17 16:48:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 288 transitions. [2022-10-17 16:48:15,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:48:15,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:15,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:15,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:48:15,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:15,683 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:48:18,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:18,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 108 states and 296 transitions. [2022-10-17 16:48:18,256 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 296 transitions. [2022-10-17 16:48:18,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:48:18,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:18,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:18,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:48:18,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:18,375 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.