./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238f3e7f-805e-4584-9aea-bd69487796b3/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238f3e7f-805e-4584-9aea-bd69487796b3/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238f3e7f-805e-4584-9aea-bd69487796b3/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238f3e7f-805e-4584-9aea-bd69487796b3/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238f3e7f-805e-4584-9aea-bd69487796b3/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238f3e7f-805e-4584-9aea-bd69487796b3/bin/ukojak-LBtLqBUTdQ --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 13f01b13f842e70fa5dc0726b8b5b83cfbe12eb21a3c45812a2355ca865a56c3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:28:42,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:28:42,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:28:42,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:28:42,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:28:42,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:28:42,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:28:42,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:28:42,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:28:42,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:28:42,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:28:42,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:28:42,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:28:42,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:28:42,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:28:42,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:28:42,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:28:42,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:28:42,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:28:42,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:28:42,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:28:42,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:28:42,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:28:42,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:28:42,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:28:42,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:28:42,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:28:42,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:28:42,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:28:42,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:28:42,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:28:42,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:28:42,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:28:42,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:28:42,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:28:42,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:28:42,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:28:42,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:28:42,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:28:42,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:28:42,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:28:42,549 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238f3e7f-805e-4584-9aea-bd69487796b3/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:28:42,594 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:28:42,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:28:42,596 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:28:42,596 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:28:42,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:28:42,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:28:42,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:28:42,598 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:28:42,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:28:42,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:28:42,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:28:42,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:28:42,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:28:42,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:28:42,601 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:28:42,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:28:42,601 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:28:42,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:28:42,602 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:28:42,602 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:28:42,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:28:42,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:42,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:28:42,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:28:42,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:28:42,603 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:28:42,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:28:42,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:28:42,604 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_238f3e7f-805e-4584-9aea-bd69487796b3/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238f3e7f-805e-4584-9aea-bd69487796b3/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13f01b13f842e70fa5dc0726b8b5b83cfbe12eb21a3c45812a2355ca865a56c3 [2021-11-23 00:28:42,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:28:42,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:28:42,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:28:42,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:28:42,902 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:28:42,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238f3e7f-805e-4584-9aea-bd69487796b3/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c [2021-11-23 00:28:42,977 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238f3e7f-805e-4584-9aea-bd69487796b3/bin/ukojak-LBtLqBUTdQ/data/b7814148c/ad3dccbd9238461a8540809b517be4ee/FLAG65f8edb62 [2021-11-23 00:28:43,539 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:28:43,541 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238f3e7f-805e-4584-9aea-bd69487796b3/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c [2021-11-23 00:28:43,555 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238f3e7f-805e-4584-9aea-bd69487796b3/bin/ukojak-LBtLqBUTdQ/data/b7814148c/ad3dccbd9238461a8540809b517be4ee/FLAG65f8edb62 [2021-11-23 00:28:43,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238f3e7f-805e-4584-9aea-bd69487796b3/bin/ukojak-LBtLqBUTdQ/data/b7814148c/ad3dccbd9238461a8540809b517be4ee [2021-11-23 00:28:43,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:28:43,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:28:43,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:43,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:28:43,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:28:43,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:43" (1/1) ... [2021-11-23 00:28:43,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e450c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:43, skipping insertion in model container [2021-11-23 00:28:43,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:43" (1/1) ... [2021-11-23 00:28:43,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:28:43,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:44,173 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_238f3e7f-805e-4584-9aea-bd69487796b3/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c[597,610] [2021-11-23 00:28:44,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:44,219 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:28:44,232 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_238f3e7f-805e-4584-9aea-bd69487796b3/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c[597,610] [2021-11-23 00:28:44,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:44,254 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:28:44,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:44 WrapperNode [2021-11-23 00:28:44,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:44,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:44,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:28:44,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:28:44,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:44" (1/1) ... [2021-11-23 00:28:44,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:44" (1/1) ... [2021-11-23 00:28:44,290 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2021-11-23 00:28:44,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:44,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:28:44,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:28:44,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:28:44,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:44" (1/1) ... [2021-11-23 00:28:44,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:44" (1/1) ... [2021-11-23 00:28:44,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:44" (1/1) ... [2021-11-23 00:28:44,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:44" (1/1) ... [2021-11-23 00:28:44,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:44" (1/1) ... [2021-11-23 00:28:44,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:44" (1/1) ... [2021-11-23 00:28:44,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:44" (1/1) ... [2021-11-23 00:28:44,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:28:44,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:28:44,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:28:44,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:28:44,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:44" (1/1) ... [2021-11-23 00:28:44,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:44,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238f3e7f-805e-4584-9aea-bd69487796b3/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:28:44,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238f3e7f-805e-4584-9aea-bd69487796b3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:28:44,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238f3e7f-805e-4584-9aea-bd69487796b3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:28:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:28:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:28:44,396 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:28:44,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:28:44,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:28:44,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:28:44,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:28:44,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:28:44,458 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:28:44,460 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:28:44,590 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:28:44,617 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:28:44,618 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:28:44,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:44 BoogieIcfgContainer [2021-11-23 00:28:44,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:28:44,621 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:28:44,622 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:28:44,633 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:28:44,633 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:44" (1/1) ... [2021-11-23 00:28:44,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:28:44,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:44,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2021-11-23 00:28:44,701 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-11-23 00:28:44,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:28:44,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:44,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:44,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:28:44,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:28:45,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2021-11-23 00:28:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-11-23 00:28:45,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:28:45,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:45,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:45,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:28:45,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:45,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:46,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:46,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 38 transitions. [2021-11-23 00:28:46,057 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2021-11-23 00:28:46,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:28:46,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:46,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:46,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:28:46,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:46,400 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:28:47,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:48,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:48,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 53 transitions. [2021-11-23 00:28:48,633 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2021-11-23 00:28:48,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:28:48,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:48,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:48,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:28:48,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:49,636 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:28:50,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:50,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 63 transitions. [2021-11-23 00:28:50,757 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2021-11-23 00:28:50,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:28:50,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:50,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:50,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:28:50,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:51,772 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:28:54,169 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:28:58,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:28:58,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:58,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 72 transitions. [2021-11-23 00:28:58,945 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2021-11-23 00:28:58,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:28:58,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:58,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:58,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:28:58,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:00,013 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:29:01,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 83 transitions. [2021-11-23 00:29:01,848 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2021-11-23 00:29:01,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:29:01,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:01,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:01,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:29:01,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:02,690 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:29:03,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:03,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 79 transitions. [2021-11-23 00:29:03,702 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2021-11-23 00:29:03,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:29:03,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:03,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:03,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:29:03,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:04,775 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:29:07,037 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:29:10,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:10,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 45 states and 88 transitions. [2021-11-23 00:29:10,545 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions. [2021-11-23 00:29:10,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:29:10,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:10,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:10,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:29:10,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:12,529 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 00:29:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:16,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 49 states and 99 transitions. [2021-11-23 00:29:16,058 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 99 transitions. [2021-11-23 00:29:16,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:29:16,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:16,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:16,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:29:16,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:17,303 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 00:29:18,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:18,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 49 states and 94 transitions. [2021-11-23 00:29:18,845 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2021-11-23 00:29:18,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:29:18,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:18,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:18,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:29:18,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:20,544 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:29:22,756 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 00:29:27,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:27,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 51 states and 104 transitions. [2021-11-23 00:29:27,684 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2021-11-23 00:29:27,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:29:27,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:27,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:27,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:29:27,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 11 proven. 30 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-23 00:29:38,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:38,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 55 states and 115 transitions. [2021-11-23 00:29:38,832 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 115 transitions. [2021-11-23 00:29:38,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:29:38,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:38,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:38,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:29:38,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:42,681 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:29:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 11 proven. 40 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-23 00:29:55,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:55,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 57 states and 120 transitions. [2021-11-23 00:29:55,334 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 120 transitions. [2021-11-23 00:29:55,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:29:55,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:55,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:55,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:29:55,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:00,390 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 13 proven. 45 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-23 00:30:09,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 61 states and 131 transitions. [2021-11-23 00:30:09,050 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2021-11-23 00:30:09,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:30:09,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:09,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:09,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 00:30:09,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:15,390 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:30:25,843 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 13 proven. 57 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-23 00:30:42,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:42,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 63 states and 136 transitions. [2021-11-23 00:30:42,383 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 136 transitions. [2021-11-23 00:30:42,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:30:42,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:42,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:42,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 00:30:42,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:57,812 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 32 proven. 64 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-23 00:31:21,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:21,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 67 states and 148 transitions. [2021-11-23 00:31:21,213 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 148 transitions. [2021-11-23 00:31:21,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:31:21,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:21,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:21,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 00:31:21,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:35,664 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:31:42,498 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 17 proven. 93 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-23 00:32:04,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:32:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:16,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 69 states and 153 transitions. [2021-11-23 00:32:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 153 transitions. [2021-11-23 00:32:16,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:32:16,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:16,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:17,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 00:32:17,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:36,542 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 17 proven. 84 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-23 00:33:11,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:11,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 73 states and 164 transitions. [2021-11-23 00:33:11,653 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 164 transitions. [2021-11-23 00:33:11,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:33:11,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:11,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:12,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:33:12,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:32,497 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:33:45,678 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 17 proven. 100 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-23 00:34:28,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:28,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 75 states and 169 transitions. [2021-11-23 00:34:28,918 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 169 transitions. [2021-11-23 00:34:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:34:28,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:28,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:29,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-23 00:34:29,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:05,898 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 19 proven. 108 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 00:35:57,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:57,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 79 states and 180 transitions. [2021-11-23 00:35:57,524 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 180 transitions. [2021-11-23 00:35:57,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:35:57,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:57,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:57,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:35:57,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 19 proven. 108 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 00:36:36,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:36,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 79 states and 170 transitions. [2021-11-23 00:36:36,991 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 170 transitions. [2021-11-23 00:36:36,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:36:36,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:36,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:37,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-23 00:36:37,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:34,041 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:37:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 00:41:58,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:41:59,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:59,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 105 states and 255 transitions. [2021-11-23 00:41:59,039 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 255 transitions. [2021-11-23 00:41:59,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:41:59,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:59,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:59,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 00:41:59,811 INFO L286 TraceCheckSpWp]: Computing forward predicates...