./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i --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_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/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_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/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_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/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 ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 --- 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 16:33:27,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:33:27,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:33:27,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:33:27,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:33:27,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:33:27,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:33:27,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:33:27,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:33:27,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:33:27,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:33:27,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:33:27,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:33:27,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:33:27,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:33:27,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:33:27,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:33:27,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:33:27,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:33:27,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:33:27,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:33:27,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:33:27,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:33:27,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:33:27,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:33:27,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:33:27,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:33:27,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:33:27,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:33:27,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:33:27,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:33:27,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:33:27,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:33:27,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:33:27,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:33:27,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:33:27,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:33:27,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:33:27,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:33:27,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:33:27,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:33:27,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:33:27,806 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:33:27,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:33:27,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:33:27,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:33:27,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:33:27,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:33:27,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:33:27,810 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:33:27,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:33:27,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:33:27,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:33:27,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:33:27,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:33:27,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:33:27,813 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:33:27,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:33:27,814 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:33:27,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:33:27,814 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:33:27,815 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:33:27,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:33:27,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:27,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:33:27,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:33:27,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:33:27,817 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:33:27,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:33:27,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:33:27,818 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_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 [2022-10-17 16:33:28,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:33:28,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:33:28,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:33:28,142 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:33:28,143 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:33:28,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2022-10-17 16:33:28,216 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/bin/ukojak-92XMlrwhuB/data/c63c19c32/11a02e24298e43cda1ff4745324927e8/FLAGc983abda7 [2022-10-17 16:33:28,663 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:33:28,664 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2022-10-17 16:33:28,678 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/bin/ukojak-92XMlrwhuB/data/c63c19c32/11a02e24298e43cda1ff4745324927e8/FLAGc983abda7 [2022-10-17 16:33:29,033 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/bin/ukojak-92XMlrwhuB/data/c63c19c32/11a02e24298e43cda1ff4745324927e8 [2022-10-17 16:33:29,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:33:29,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:33:29,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:29,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:33:29,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:33:29,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:29" (1/1) ... [2022-10-17 16:33:29,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b78190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:29, skipping insertion in model container [2022-10-17 16:33:29,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:29" (1/1) ... [2022-10-17 16:33:29,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:33:29,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:33:29,299 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_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2022-10-17 16:33:29,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:29,338 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:33:29,351 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_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2022-10-17 16:33:29,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:29,372 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:33:29,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:29 WrapperNode [2022-10-17 16:33:29,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:29,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:29,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:33:29,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:33:29,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:29" (1/1) ... [2022-10-17 16:33:29,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:29" (1/1) ... [2022-10-17 16:33:29,408 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 83 [2022-10-17 16:33:29,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:29,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:33:29,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:33:29,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:33:29,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:29" (1/1) ... [2022-10-17 16:33:29,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:29" (1/1) ... [2022-10-17 16:33:29,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:29" (1/1) ... [2022-10-17 16:33:29,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:29" (1/1) ... [2022-10-17 16:33:29,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:29" (1/1) ... [2022-10-17 16:33:29,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:29" (1/1) ... [2022-10-17 16:33:29,430 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:29" (1/1) ... [2022-10-17 16:33:29,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:29" (1/1) ... [2022-10-17 16:33:29,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:33:29,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:33:29,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:33:29,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:33:29,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:29" (1/1) ... [2022-10-17 16:33:29,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:29,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:33:29,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:33:29,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:33:29,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:33:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:33:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:33:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:33:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:33:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:33:29,612 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:33:29,613 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:33:29,862 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:33:29,886 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:33:29,900 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:33:29,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:29 BoogieIcfgContainer [2022-10-17 16:33:29,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:33:29,904 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:33:29,904 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:33:29,941 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:33:29,941 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:29" (1/1) ... [2022-10-17 16:33:29,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:33:30,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:30,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2022-10-17 16:33:30,037 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2022-10-17 16:33:30,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:33:30,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:30,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:30,206 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 16:33:30,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:30,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2022-10-17 16:33:30,255 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2022-10-17 16:33:30,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:33:30,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:30,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:30,431 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 16:33:30,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:30,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 83 transitions. [2022-10-17 16:33:30,614 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2022-10-17 16:33:30,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:33:30,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:30,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:30,768 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 16:33:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:30,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 85 transitions. [2022-10-17 16:33:30,800 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 16:33:30,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:33:30,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:30,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:30,929 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 16:33:30,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:30,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 85 transitions. [2022-10-17 16:33:30,947 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2022-10-17 16:33:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:33:30,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:30,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:31,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:31,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:31,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 87 transitions. [2022-10-17 16:33:31,253 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2022-10-17 16:33:31,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:33:31,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:31,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:31,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 97 transitions. [2022-10-17 16:33:31,616 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2022-10-17 16:33:31,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:33:31,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:31,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:31,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:31,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 101 transitions. [2022-10-17 16:33:31,774 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2022-10-17 16:33:31,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:33:31,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:31,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:31,803 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 16:33:31,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:31,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 100 transitions. [2022-10-17 16:33:31,814 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2022-10-17 16:33:31,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:33:31,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:31,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:31,910 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 16:33:31,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:31,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 109 transitions. [2022-10-17 16:33:31,982 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2022-10-17 16:33:31,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:33:31,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:31,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:32,040 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:33:32,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:32,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 112 transitions. [2022-10-17 16:33:32,067 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2022-10-17 16:33:32,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:33:32,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:32,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:32,149 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 16:33:32,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:32,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 120 transitions. [2022-10-17 16:33:32,178 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2022-10-17 16:33:32,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:33:32,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:32,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:32,302 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 16:33:32,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:32,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 122 transitions. [2022-10-17 16:33:32,327 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2022-10-17 16:33:32,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:33:32,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:32,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:32,383 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 16:33:32,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:32,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 123 transitions. [2022-10-17 16:33:32,396 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2022-10-17 16:33:32,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:33:32,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:32,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:32,477 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 16:33:32,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:32,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 125 transitions. [2022-10-17 16:33:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2022-10-17 16:33:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:33:32,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:32,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:32,555 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:33:32,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:32,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 126 transitions. [2022-10-17 16:33:32,622 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2022-10-17 16:33:32,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:33:32,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:32,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:32,802 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:33:33,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:33,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 72 states and 133 transitions. [2022-10-17 16:33:33,240 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2022-10-17 16:33:33,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:33:33,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:33,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:33,372 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:33:33,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:33,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 76 states and 139 transitions. [2022-10-17 16:33:33,536 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 139 transitions. [2022-10-17 16:33:33,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:33:33,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:33,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:33:33,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:33,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 155 transitions. [2022-10-17 16:33:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2022-10-17 16:33:33,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:33:33,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:33,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:34,049 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:33:34,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 85 states and 160 transitions. [2022-10-17 16:33:34,096 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 160 transitions. [2022-10-17 16:33:34,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:33:34,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:34,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:34,249 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:33:34,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:34,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 161 transitions. [2022-10-17 16:33:34,291 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2022-10-17 16:33:34,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:33:34,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:34,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:34,431 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:33:34,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:34,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 88 states and 166 transitions. [2022-10-17 16:33:34,487 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 166 transitions. [2022-10-17 16:33:34,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:33:34,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:34,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:34,566 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:33:34,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 91 states and 171 transitions. [2022-10-17 16:33:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 171 transitions. [2022-10-17 16:33:34,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:33:34,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:34,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:34,700 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:33:34,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:34,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 177 transitions. [2022-10-17 16:33:34,998 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 177 transitions. [2022-10-17 16:33:34,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:33:34,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:35,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-17 16:33:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:35,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 98 states and 184 transitions. [2022-10-17 16:33:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 184 transitions. [2022-10-17 16:33:35,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:33:35,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:35,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:35,317 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-17 16:33:35,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:35,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 101 states and 190 transitions. [2022-10-17 16:33:35,430 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 190 transitions. [2022-10-17 16:33:35,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:33:35,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:35,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:35,482 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 16:33:35,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:35,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 102 states and 192 transitions. [2022-10-17 16:33:35,514 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2022-10-17 16:33:35,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:33:35,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:35,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:35,608 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:33:35,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:35,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 193 transitions. [2022-10-17 16:33:35,747 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 193 transitions. [2022-10-17 16:33:35,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:33:35,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:35,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:35,809 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:33:35,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:35,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 104 states and 194 transitions. [2022-10-17 16:33:35,887 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 194 transitions. [2022-10-17 16:33:35,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:33:35,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:35,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:35,945 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:33:36,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:36,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 106 states and 198 transitions. [2022-10-17 16:33:36,003 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 198 transitions. [2022-10-17 16:33:36,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:33:36,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:36,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:33:36,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:36,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 106 states and 197 transitions. [2022-10-17 16:33:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 197 transitions. [2022-10-17 16:33:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:33:36,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:36,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:33:36,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:36,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 110 states and 205 transitions. [2022-10-17 16:33:36,971 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 205 transitions. [2022-10-17 16:33:36,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:33:36,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:36,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:37,093 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:33:37,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:37,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 113 states and 209 transitions. [2022-10-17 16:33:37,336 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 209 transitions. [2022-10-17 16:33:37,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:33:37,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:37,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:37,451 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:33:37,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:37,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 116 states and 210 transitions. [2022-10-17 16:33:37,661 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 210 transitions. [2022-10-17 16:33:37,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:33:37,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:37,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:33:37,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:37,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 121 states and 218 transitions. [2022-10-17 16:33:37,966 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 218 transitions. [2022-10-17 16:33:37,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:33:37,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:37,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:38,083 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:33:38,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:38,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 123 states and 221 transitions. [2022-10-17 16:33:38,163 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 221 transitions. [2022-10-17 16:33:38,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:33:38,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:38,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:33:38,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:38,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 124 states and 222 transitions. [2022-10-17 16:33:38,347 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2022-10-17 16:33:38,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:33:38,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:38,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:38,481 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:33:38,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:38,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 126 states and 225 transitions. [2022-10-17 16:33:38,547 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2022-10-17 16:33:38,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:33:38,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:38,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:33:38,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:38,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 129 states and 231 transitions. [2022-10-17 16:33:38,700 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 231 transitions. [2022-10-17 16:33:38,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:33:38,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:38,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:38,794 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:33:38,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:38,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 127 states and 226 transitions. [2022-10-17 16:33:38,822 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2022-10-17 16:33:38,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:33:38,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:38,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-10-17 16:33:39,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 128 states and 228 transitions. [2022-10-17 16:33:39,072 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2022-10-17 16:33:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:33:39,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:39,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:39,144 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-10-17 16:33:39,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 129 states and 230 transitions. [2022-10-17 16:33:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 230 transitions. [2022-10-17 16:33:39,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:33:39,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:39,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:39,298 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:33:39,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:39,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 130 states and 231 transitions. [2022-10-17 16:33:39,461 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 231 transitions. [2022-10-17 16:33:39,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:33:39,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:39,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:39,519 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-17 16:33:39,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:39,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 129 states and 228 transitions. [2022-10-17 16:33:39,674 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2022-10-17 16:33:39,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:33:39,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:39,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:33:39,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:39,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 123 states and 218 transitions. [2022-10-17 16:33:39,807 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 218 transitions. [2022-10-17 16:33:39,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:33:39,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:39,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:39,870 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:33:39,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:39,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 124 states and 219 transitions. [2022-10-17 16:33:39,940 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 219 transitions. [2022-10-17 16:33:39,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:33:39,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:39,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:40,018 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:33:40,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 118 states and 210 transitions. [2022-10-17 16:33:40,182 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 210 transitions. [2022-10-17 16:33:40,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:33:40,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:40,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:40,250 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:33:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:40,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 91 states and 147 transitions. [2022-10-17 16:33:40,326 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2022-10-17 16:33:40,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:33:40,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:40,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-10-17 16:33:40,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:40,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 89 states and 144 transitions. [2022-10-17 16:33:40,727 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 144 transitions. [2022-10-17 16:33:40,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:33:40,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:40,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:40,904 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-10-17 16:33:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 91 states and 148 transitions. [2022-10-17 16:33:40,945 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2022-10-17 16:33:40,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:33:40,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:40,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:41,145 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-10-17 16:33:41,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 83 states and 136 transitions. [2022-10-17 16:33:41,185 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2022-10-17 16:33:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:33:41,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:41,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-10-17 16:33:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:41,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 82 states and 134 transitions. [2022-10-17 16:33:41,398 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 134 transitions. [2022-10-17 16:33:41,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:33:41,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:41,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:41,589 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-10-17 16:33:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:41,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 64 states and 108 transitions. [2022-10-17 16:33:41,621 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2022-10-17 16:33:41,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:33:41,622 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 53 iterations. [2022-10-17 16:33:41,630 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:33:41,892 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:33:41,896 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:33:41,896 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:33:41,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:33:41 ImpRootNode [2022-10-17 16:33:41,897 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:33:41,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:33:41,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:33:41,898 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:33:41,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:29" (3/4) ... [2022-10-17 16:33:41,901 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:33:41,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-10-17 16:33:41,912 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-10-17 16:33:41,912 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-10-17 16:33:41,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:33:41,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:33:41,981 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:33:41,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:33:41,982 INFO L158 Benchmark]: Toolchain (without parser) took 12942.54ms. Allocated memory was 100.7MB in the beginning and 186.6MB in the end (delta: 86.0MB). Free memory was 65.4MB in the beginning and 114.1MB in the end (delta: -48.7MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-10-17 16:33:41,982 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 100.7MB. Free memory was 70.7MB in the beginning and 70.7MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:33:41,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.61ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 74.2MB in the end (delta: -9.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:33:41,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.99ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 72.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:33:41,983 INFO L158 Benchmark]: Boogie Preprocessor took 24.22ms. Allocated memory is still 100.7MB. Free memory was 72.9MB in the beginning and 71.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:33:41,984 INFO L158 Benchmark]: RCFGBuilder took 469.02ms. Allocated memory is still 100.7MB. Free memory was 71.6MB in the beginning and 59.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:33:41,984 INFO L158 Benchmark]: CodeCheck took 11992.83ms. Allocated memory was 100.7MB in the beginning and 186.6MB in the end (delta: 86.0MB). Free memory was 59.1MB in the beginning and 117.2MB in the end (delta: -58.2MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2022-10-17 16:33:41,985 INFO L158 Benchmark]: Witness Printer took 84.20ms. Allocated memory is still 186.6MB. Free memory was 117.2MB in the beginning and 114.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:33:41,986 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.6s, OverallIterations: 53, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12266 SdHoareTripleChecker+Valid, 31.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4065 mSDsluCounter, 10200 SdHoareTripleChecker+Invalid, 24.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5140 mSDsCounter, 6122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18387 IncrementalHoareTripleChecker+Invalid, 24509 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6122 mSolverCounterUnsat, 5060 mSDtfsCounter, 18387 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22255 GetRequests, 21810 SyntacticMatches, 327 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10469 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1840 NumberOfCodeBlocks, 1840 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 1788 ConstructedInterpolants, 0 QuantifiedInterpolants, 3915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 30 PerfectInterpolantSequences, 2095/2250 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 100.7MB. Free memory was 70.7MB in the beginning and 70.7MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.61ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 74.2MB in the end (delta: -9.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.99ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 72.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.22ms. Allocated memory is still 100.7MB. Free memory was 72.9MB in the beginning and 71.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 469.02ms. Allocated memory is still 100.7MB. Free memory was 71.6MB in the beginning and 59.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 11992.83ms. Allocated memory was 100.7MB in the beginning and 186.6MB in the end (delta: 86.0MB). Free memory was 59.1MB in the beginning and 117.2MB in the end (delta: -58.2MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Witness Printer took 84.20ms. Allocated memory is still 186.6MB. Free memory was 117.2MB in the beginning and 114.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:33:42,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b0950b5-66f2-4d49-ad42-f2f63b7094f5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE