./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_security.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dc0b20-cb23-417a-8c5d-38271046d2b3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dc0b20-cb23-417a-8c5d-38271046d2b3/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_15dc0b20-cb23-417a-8c5d-38271046d2b3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dc0b20-cb23-417a-8c5d-38271046d2b3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_security.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dc0b20-cb23-417a-8c5d-38271046d2b3/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_15dc0b20-cb23-417a-8c5d-38271046d2b3/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 c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8 --- 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 16:58:54,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:58:54,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:58:54,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:58:54,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:58:54,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:58:54,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:58:54,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:58:54,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:58:54,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:58:54,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:58:54,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:58:54,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:58:54,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:58:54,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:58:54,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:58:54,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:58:54,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:58:54,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:58:54,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:58:54,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:58:54,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:58:54,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:58:54,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:58:54,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:58:54,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:58:54,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:58:54,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:58:54,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:58:54,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:58:54,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:58:54,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:58:54,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:58:54,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:58:54,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:58:54,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:58:54,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:58:54,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:58:54,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:58:54,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:58:54,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:58:54,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dc0b20-cb23-417a-8c5d-38271046d2b3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:58:54,656 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:58:54,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:58:54,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:58:54,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:58:54,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:58:54,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:58:54,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:58:54,660 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:58:54,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:58:54,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:58:54,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:58:54,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:58:54,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:58:54,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:58:54,663 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:58:54,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:58:54,663 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:58:54,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:58:54,664 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:58:54,664 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:58:54,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:58:54,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:54,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:58:54,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:58:54,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:58:54,666 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:58:54,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:58:54,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:58:54,666 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_15dc0b20-cb23-417a-8c5d-38271046d2b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dc0b20-cb23-417a-8c5d-38271046d2b3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8 [2022-10-17 16:58:55,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:58:55,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:58:55,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:58:55,035 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:58:55,036 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:58:55,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dc0b20-cb23-417a-8c5d-38271046d2b3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/psyco/psyco_security.c [2022-10-17 16:58:55,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dc0b20-cb23-417a-8c5d-38271046d2b3/bin/ukojak-92XMlrwhuB/data/c2570d795/4f12ac032e9642649f00c54de65ddfbb/FLAG686a934d6 [2022-10-17 16:58:55,735 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:58:55,737 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dc0b20-cb23-417a-8c5d-38271046d2b3/sv-benchmarks/c/psyco/psyco_security.c [2022-10-17 16:58:55,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dc0b20-cb23-417a-8c5d-38271046d2b3/bin/ukojak-92XMlrwhuB/data/c2570d795/4f12ac032e9642649f00c54de65ddfbb/FLAG686a934d6 [2022-10-17 16:58:56,038 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dc0b20-cb23-417a-8c5d-38271046d2b3/bin/ukojak-92XMlrwhuB/data/c2570d795/4f12ac032e9642649f00c54de65ddfbb [2022-10-17 16:58:56,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:58:56,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:58:56,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:56,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:58:56,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:58:56,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:56" (1/1) ... [2022-10-17 16:58:56,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527e1df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:56, skipping insertion in model container [2022-10-17 16:58:56,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:56" (1/1) ... [2022-10-17 16:58:56,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:58:56,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:58:56,394 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_15dc0b20-cb23-417a-8c5d-38271046d2b3/sv-benchmarks/c/psyco/psyco_security.c[12744,12757] [2022-10-17 16:58:56,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:56,430 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:58:56,500 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_15dc0b20-cb23-417a-8c5d-38271046d2b3/sv-benchmarks/c/psyco/psyco_security.c[12744,12757] [2022-10-17 16:58:56,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:56,528 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:58:56,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:56 WrapperNode [2022-10-17 16:58:56,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:56,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:56,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:58:56,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:58:56,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:56" (1/1) ... [2022-10-17 16:58:56,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:56" (1/1) ... [2022-10-17 16:58:56,608 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 269 [2022-10-17 16:58:56,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:56,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:58:56,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:58:56,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:58:56,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:56" (1/1) ... [2022-10-17 16:58:56,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:56" (1/1) ... [2022-10-17 16:58:56,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:56" (1/1) ... [2022-10-17 16:58:56,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:56" (1/1) ... [2022-10-17 16:58:56,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:56" (1/1) ... [2022-10-17 16:58:56,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:56" (1/1) ... [2022-10-17 16:58:56,665 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:56" (1/1) ... [2022-10-17 16:58:56,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:56" (1/1) ... [2022-10-17 16:58:56,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:58:56,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:58:56,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:58:56,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:58:56,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:56" (1/1) ... [2022-10-17 16:58:56,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:56,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dc0b20-cb23-417a-8c5d-38271046d2b3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:58:56,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dc0b20-cb23-417a-8c5d-38271046d2b3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:58:56,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dc0b20-cb23-417a-8c5d-38271046d2b3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:58:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:58:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:58:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:58:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:58:56,862 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:58:56,864 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:58:57,401 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:58:57,428 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:58:57,436 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-10-17 16:58:57,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:57 BoogieIcfgContainer [2022-10-17 16:58:57,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:58:57,439 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:58:57,439 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:58:57,456 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:58:57,456 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:57" (1/1) ... [2022-10-17 16:58:57,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:58:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:57,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2022-10-17 16:58:57,575 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2022-10-17 16:58:57,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:58:57,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:57,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:57,791 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 16:58:57,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:57,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2022-10-17 16:58:57,846 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2022-10-17 16:58:57,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:58:57,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:57,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:57,938 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 16:58:57,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:57,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2022-10-17 16:58:57,999 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2022-10-17 16:58:58,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:58:58,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:58,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:58,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:58,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2022-10-17 16:58:58,087 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2022-10-17 16:58:58,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:58:58,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:58,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:58,190 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 16:58:58,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:58,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 82 states and 141 transitions. [2022-10-17 16:58:58,304 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2022-10-17 16:58:58,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:58:58,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:58,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:58,402 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 16:58:58,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:58,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 91 states and 160 transitions. [2022-10-17 16:58:58,537 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 160 transitions. [2022-10-17 16:58:58,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:58:58,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:58,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:58,570 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 16:58:58,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:58,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 92 states and 160 transitions. [2022-10-17 16:58:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 160 transitions. [2022-10-17 16:58:58,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:58:58,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:58,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:58,661 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 16:58:58,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:58,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 172 transitions. [2022-10-17 16:58:58,759 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 172 transitions. [2022-10-17 16:58:58,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:58:58,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:58,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:58,832 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 16:58:58,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:58,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 103 states and 177 transitions. [2022-10-17 16:58:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 177 transitions. [2022-10-17 16:58:58,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:58:58,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:58,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:59,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:59,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 106 states and 191 transitions. [2022-10-17 16:58:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 191 transitions. [2022-10-17 16:58:59,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:58:59,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:59,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:59,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:59,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 109 states and 205 transitions. [2022-10-17 16:58:59,242 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 205 transitions. [2022-10-17 16:58:59,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:58:59,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:59,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:59,287 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:59,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:59,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 112 states and 216 transitions. [2022-10-17 16:58:59,509 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 216 transitions. [2022-10-17 16:58:59,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:58:59,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:59,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:59,571 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:59,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:59,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 113 states and 217 transitions. [2022-10-17 16:58:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 217 transitions. [2022-10-17 16:58:59,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:58:59,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:59,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:59,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:59,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 114 states and 218 transitions. [2022-10-17 16:58:59,826 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 218 transitions. [2022-10-17 16:58:59,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:58:59,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:59,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:59,873 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:59,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:59,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 123 states and 238 transitions. [2022-10-17 16:58:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 238 transitions. [2022-10-17 16:58:59,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:58:59,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:59,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:59,988 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:59:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:00,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 126 states and 247 transitions. [2022-10-17 16:59:00,275 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 247 transitions. [2022-10-17 16:59:00,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:59:00,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:00,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:00,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:00,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 128 states and 249 transitions. [2022-10-17 16:59:00,486 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 249 transitions. [2022-10-17 16:59:00,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:59:00,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:00,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:00,542 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:00,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:00,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 131 states and 253 transitions. [2022-10-17 16:59:00,580 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 253 transitions. [2022-10-17 16:59:00,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:59:00,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:00,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:00,624 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:00,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:00,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 253 transitions. [2022-10-17 16:59:00,649 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 253 transitions. [2022-10-17 16:59:00,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:59:00,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:00,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:00,694 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 16:59:00,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:00,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 132 states and 249 transitions. [2022-10-17 16:59:00,769 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 249 transitions. [2022-10-17 16:59:00,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:59:00,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:00,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:00,800 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:00,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:00,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 141 states and 274 transitions. [2022-10-17 16:59:00,941 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 274 transitions. [2022-10-17 16:59:00,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:59:00,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:00,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:00,968 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:01,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:01,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 143 states and 275 transitions. [2022-10-17 16:59:01,054 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 275 transitions. [2022-10-17 16:59:01,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:59:01,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:01,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 147 states and 280 transitions. [2022-10-17 16:59:01,378 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 280 transitions. [2022-10-17 16:59:01,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:59:01,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:01,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:01,403 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:01,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:01,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 150 states and 283 transitions. [2022-10-17 16:59:01,419 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 283 transitions. [2022-10-17 16:59:01,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:59:01,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:01,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:01,469 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:01,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:01,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 152 states and 291 transitions. [2022-10-17 16:59:01,505 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 291 transitions. [2022-10-17 16:59:01,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:59:01,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:01,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:01,538 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:01,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:01,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 154 states and 293 transitions. [2022-10-17 16:59:01,562 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 293 transitions. [2022-10-17 16:59:01,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:59:01,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:01,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:01,607 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:01,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:01,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 160 states and 307 transitions. [2022-10-17 16:59:01,836 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 307 transitions. [2022-10-17 16:59:01,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:59:01,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:01,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:01,866 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:01,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:01,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 162 states and 316 transitions. [2022-10-17 16:59:01,892 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 316 transitions. [2022-10-17 16:59:01,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:59:01,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:01,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:59:02,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:02,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 162 states and 315 transitions. [2022-10-17 16:59:02,027 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 315 transitions. [2022-10-17 16:59:02,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:59:02,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:02,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:59:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:02,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 162 states and 314 transitions. [2022-10-17 16:59:02,088 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 314 transitions. [2022-10-17 16:59:02,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:59:02,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:02,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:02,122 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:59:02,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:02,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 162 states and 313 transitions. [2022-10-17 16:59:02,236 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 313 transitions. [2022-10-17 16:59:02,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:59:02,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:02,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:02,260 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:59:02,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:02,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 162 states and 312 transitions. [2022-10-17 16:59:02,282 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 312 transitions. [2022-10-17 16:59:02,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:59:02,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:02,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:02,304 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:59:02,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 162 states and 311 transitions. [2022-10-17 16:59:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 311 transitions. [2022-10-17 16:59:02,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:59:02,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:02,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:02,347 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:59:02,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:02,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 163 states and 310 transitions. [2022-10-17 16:59:02,520 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 310 transitions. [2022-10-17 16:59:02,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:59:02,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:02,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:02,543 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:59:02,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:02,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 163 states and 309 transitions. [2022-10-17 16:59:02,570 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 309 transitions. [2022-10-17 16:59:02,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:59:02,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:02,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:02,598 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:59:02,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:02,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 163 states and 308 transitions. [2022-10-17 16:59:02,719 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 308 transitions. [2022-10-17 16:59:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:59:02,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:02,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:59:02,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:02,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 163 states and 307 transitions. [2022-10-17 16:59:02,763 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 307 transitions. [2022-10-17 16:59:02,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:59:02,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:02,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:02,785 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:59:02,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:02,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 163 states and 304 transitions. [2022-10-17 16:59:02,908 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 304 transitions. [2022-10-17 16:59:02,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:59:02,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:02,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:02,949 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:59:03,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:03,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 163 states and 303 transitions. [2022-10-17 16:59:03,097 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2022-10-17 16:59:03,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:59:03,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:03,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:59:03,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:03,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 165 states and 303 transitions. [2022-10-17 16:59:03,481 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 303 transitions. [2022-10-17 16:59:03,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:59:03,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:03,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:03,503 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:59:03,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:03,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 165 states and 302 transitions. [2022-10-17 16:59:03,525 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 302 transitions. [2022-10-17 16:59:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:59:03,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:03,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:59:03,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 165 states and 301 transitions. [2022-10-17 16:59:03,622 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 301 transitions. [2022-10-17 16:59:03,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:59:03,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:03,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:03,646 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:59:03,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:03,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 165 states and 298 transitions. [2022-10-17 16:59:03,673 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 298 transitions. [2022-10-17 16:59:03,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:59:03,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:03,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:59:04,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 170 states and 306 transitions. [2022-10-17 16:59:04,365 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 306 transitions. [2022-10-17 16:59:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:59:04,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:04,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:04,387 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:59:04,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:04,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 170 states and 305 transitions. [2022-10-17 16:59:04,461 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 305 transitions. [2022-10-17 16:59:04,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:59:04,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:04,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:04,483 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:59:04,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:04,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 170 states and 302 transitions. [2022-10-17 16:59:04,651 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 302 transitions. [2022-10-17 16:59:04,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:59:04,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:04,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:04,672 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:59:04,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:04,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 170 states and 299 transitions. [2022-10-17 16:59:04,719 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 299 transitions. [2022-10-17 16:59:04,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:59:04,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:04,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:59:04,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:04,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2022-10-17 16:59:04,776 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2022-10-17 16:59:04,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:59:04,776 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 48 iterations. [2022-10-17 16:59:04,785 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:59:04,949 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-10-17 16:59:04,958 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2022-10-17 16:59:04,960 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:59:04,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:59:04 ImpRootNode [2022-10-17 16:59:04,961 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:59:04,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:59:04,962 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:59:04,962 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:59:04,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:57" (3/4) ... [2022-10-17 16:59:04,966 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:59:04,986 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-10-17 16:59:04,986 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:59:04,986 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:59:04,987 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:59:05,027 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dc0b20-cb23-417a-8c5d-38271046d2b3/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:59:05,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:59:05,033 INFO L158 Benchmark]: Toolchain (without parser) took 8985.23ms. Allocated memory was 92.3MB in the beginning and 155.2MB in the end (delta: 62.9MB). Free memory was 54.5MB in the beginning and 102.2MB in the end (delta: -47.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-10-17 16:59:05,034 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:59:05,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.52ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 64.9MB in the end (delta: -10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:59:05,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.86ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:59:05,036 INFO L158 Benchmark]: Boogie Preprocessor took 66.54ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 60.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:59:05,039 INFO L158 Benchmark]: RCFGBuilder took 759.82ms. Allocated memory is still 92.3MB. Free memory was 60.9MB in the beginning and 42.9MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 16:59:05,043 INFO L158 Benchmark]: CodeCheck took 7521.89ms. Allocated memory was 92.3MB in the beginning and 155.2MB in the end (delta: 62.9MB). Free memory was 42.5MB in the beginning and 104.2MB in the end (delta: -61.7MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2022-10-17 16:59:05,043 INFO L158 Benchmark]: Witness Printer took 65.74ms. Allocated memory is still 155.2MB. Free memory was 104.2MB in the beginning and 102.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:59:05,045 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 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 48, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16687 SdHoareTripleChecker+Valid, 17.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9861 mSDsluCounter, 23788 SdHoareTripleChecker+Invalid, 14.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16665 mSDsCounter, 4205 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11402 IncrementalHoareTripleChecker+Invalid, 15607 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4205 mSolverCounterUnsat, 7123 mSDtfsCounter, 11402 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14197 GetRequests, 13937 SyntacticMatches, 126 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12417 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1352 NumberOfCodeBlocks, 1352 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 1305 ConstructedInterpolants, 0 QuantifiedInterpolants, 2581 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 46 PerfectInterpolantSequences, 588/590 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: 391]: 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: 24]: Loop Invariant Derived loop invariant: q == 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((2 == q && this_state == 0) || q == 0) || (this_state == 3 && q == 4)) || (3 == q && this_state == 2) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.52ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 64.9MB in the end (delta: -10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.86ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.54ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 60.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 759.82ms. Allocated memory is still 92.3MB. Free memory was 60.9MB in the beginning and 42.9MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 7521.89ms. Allocated memory was 92.3MB in the beginning and 155.2MB in the end (delta: 62.9MB). Free memory was 42.5MB in the beginning and 104.2MB in the end (delta: -61.7MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Witness Printer took 65.74ms. Allocated memory is still 155.2MB. Free memory was 104.2MB in the beginning and 102.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:59:05,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dc0b20-cb23-417a-8c5d-38271046d2b3/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