./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_4-1.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_e2a1e91b-35b0-465f-be7f-1210008cf170/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a1e91b-35b0-465f-be7f-1210008cf170/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_e2a1e91b-35b0-465f-be7f-1210008cf170/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a1e91b-35b0-465f-be7f-1210008cf170/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a1e91b-35b0-465f-be7f-1210008cf170/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_e2a1e91b-35b0-465f-be7f-1210008cf170/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 9950a3ef699b75b517ce9b65b2c32dbbe13ac0a027bb7e02ceeaeee924f6aade --- 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 16:40:05,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:05,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:06,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:06,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:06,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:06,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:06,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:06,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:06,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:06,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:06,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:06,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:06,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:06,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:06,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:06,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:06,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:06,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:06,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:06,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:06,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:06,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:06,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:06,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:06,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:06,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:06,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:06,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:06,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:06,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:06,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:06,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:06,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:06,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:06,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:06,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:06,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:06,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:06,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:06,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:06,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a1e91b-35b0-465f-be7f-1210008cf170/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:40:06,168 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:06,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:06,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:40:06,170 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:40:06,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:06,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:06,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:06,172 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:06,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:40:06,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:06,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:06,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:40:06,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:06,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:40:06,175 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:06,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:40:06,175 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:06,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:40:06,176 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:06,176 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:06,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:06,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:06,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:06,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:06,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:40:06,178 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:40:06,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:40:06,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:40:06,186 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_e2a1e91b-35b0-465f-be7f-1210008cf170/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a1e91b-35b0-465f-be7f-1210008cf170/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9950a3ef699b75b517ce9b65b2c32dbbe13ac0a027bb7e02ceeaeee924f6aade [2022-10-17 16:40:06,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:06,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:06,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:06,543 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:06,544 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:06,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a1e91b-35b0-465f-be7f-1210008cf170/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-acceleration/simple_4-1.c [2022-10-17 16:40:06,617 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a1e91b-35b0-465f-be7f-1210008cf170/bin/ukojak-92XMlrwhuB/data/515437c52/05805a174a0544db8cdd1c9c9851c81a/FLAG68486c161 [2022-10-17 16:40:07,079 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:07,081 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a1e91b-35b0-465f-be7f-1210008cf170/sv-benchmarks/c/loop-acceleration/simple_4-1.c [2022-10-17 16:40:07,086 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a1e91b-35b0-465f-be7f-1210008cf170/bin/ukojak-92XMlrwhuB/data/515437c52/05805a174a0544db8cdd1c9c9851c81a/FLAG68486c161 [2022-10-17 16:40:07,467 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a1e91b-35b0-465f-be7f-1210008cf170/bin/ukojak-92XMlrwhuB/data/515437c52/05805a174a0544db8cdd1c9c9851c81a [2022-10-17 16:40:07,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:07,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:07,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:07,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:07,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:07,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:07" (1/1) ... [2022-10-17 16:40:07,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63624ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:07, skipping insertion in model container [2022-10-17 16:40:07,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:07" (1/1) ... [2022-10-17 16:40:07,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:07,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:07,703 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_e2a1e91b-35b0-465f-be7f-1210008cf170/sv-benchmarks/c/loop-acceleration/simple_4-1.c[322,335] [2022-10-17 16:40:07,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:07,721 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:07,734 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_e2a1e91b-35b0-465f-be7f-1210008cf170/sv-benchmarks/c/loop-acceleration/simple_4-1.c[322,335] [2022-10-17 16:40:07,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:07,749 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:07,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:07 WrapperNode [2022-10-17 16:40:07,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:07,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:07,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:07,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:07,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:07" (1/1) ... [2022-10-17 16:40:07,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:07" (1/1) ... [2022-10-17 16:40:07,783 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2022-10-17 16:40:07,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:07,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:07,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:07,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:07,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:07" (1/1) ... [2022-10-17 16:40:07,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:07" (1/1) ... [2022-10-17 16:40:07,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:07" (1/1) ... [2022-10-17 16:40:07,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:07" (1/1) ... [2022-10-17 16:40:07,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:07" (1/1) ... [2022-10-17 16:40:07,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:07" (1/1) ... [2022-10-17 16:40:07,803 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:07" (1/1) ... [2022-10-17 16:40:07,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:07" (1/1) ... [2022-10-17 16:40:07,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:07,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:07,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:07,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:07,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:07" (1/1) ... [2022-10-17 16:40:07,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:07,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a1e91b-35b0-465f-be7f-1210008cf170/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:07,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a1e91b-35b0-465f-be7f-1210008cf170/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:07,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a1e91b-35b0-465f-be7f-1210008cf170/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:40:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:40:07,961 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:07,963 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:08,062 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:08,085 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:08,085 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:40:08,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:08 BoogieIcfgContainer [2022-10-17 16:40:08,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:40:08,089 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:40:08,089 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:40:08,104 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:40:08,109 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:08" (1/1) ... [2022-10-17 16:40:08,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:40:08,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:08,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-10-17 16:40:08,191 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-10-17 16:40:08,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:40:08,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:08,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:08,463 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 16:40:08,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:08,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-10-17 16:40:08,544 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-10-17 16:40:08,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:40:08,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:08,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:08,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:08,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:08,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-10-17 16:40:08,862 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-10-17 16:40:08,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:40:08,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:08,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:09,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:09,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:09,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-10-17 16:40:09,324 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-10-17 16:40:09,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:40:09,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:09,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:09,553 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:09,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-10-17 16:40:09,705 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-10-17 16:40:09,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:40:09,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:09,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:09,901 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:10,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:10,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-10-17 16:40:10,060 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-10-17 16:40:10,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:40:10,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:10,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:10,280 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:10,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:10,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-10-17 16:40:10,469 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-10-17 16:40:10,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:40:10,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:10,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:10,631 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:10,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-10-17 16:40:10,834 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-10-17 16:40:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:40:10,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:10,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:11,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:11,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-10-17 16:40:11,214 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-10-17 16:40:11,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:40:11,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:11,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:11,372 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-10-17 16:40:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-10-17 16:40:11,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:40:11,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:11,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:12,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:12,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2022-10-17 16:40:12,066 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2022-10-17 16:40:12,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:40:12,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:12,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:12,279 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:12,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:12,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-10-17 16:40:12,502 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-10-17 16:40:12,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:40:12,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:12,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:12,740 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:12,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:12,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-10-17 16:40:12,989 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-10-17 16:40:12,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:40:12,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:12,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:13,195 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:13,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-10-17 16:40:13,462 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-10-17 16:40:13,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:40:13,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:13,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:13,745 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:14,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:14,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-10-17 16:40:14,010 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-10-17 16:40:14,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:40:14,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:14,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:14,290 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:14,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:14,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2022-10-17 16:40:14,593 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-10-17 16:40:14,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:40:14,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:14,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:14,844 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:15,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:15,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2022-10-17 16:40:15,142 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-10-17 16:40:15,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:40:15,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:15,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:15,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:15,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-10-17 16:40:15,760 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-10-17 16:40:15,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:40:15,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:15,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:16,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2022-10-17 16:40:16,427 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2022-10-17 16:40:16,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:40:16,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:16,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:16,744 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:17,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:17,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2022-10-17 16:40:17,100 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2022-10-17 16:40:17,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:40:17,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:17,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:17,404 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:17,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:17,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2022-10-17 16:40:17,767 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2022-10-17 16:40:17,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:40:17,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:17,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:18,134 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2022-10-17 16:40:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2022-10-17 16:40:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:40:18,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:18,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:19,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:19,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2022-10-17 16:40:19,239 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2022-10-17 16:40:19,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:40:19,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:19,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:19,598 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:19,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:19,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2022-10-17 16:40:19,994 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2022-10-17 16:40:19,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:40:19,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:19,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:20,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:20,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2022-10-17 16:40:20,753 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2022-10-17 16:40:20,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:40:20,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:20,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:21,136 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:21,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:21,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2022-10-17 16:40:21,565 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2022-10-17 16:40:21,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:40:21,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:21,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:21,971 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:22,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:22,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2022-10-17 16:40:22,374 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2022-10-17 16:40:22,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:40:22,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:22,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:22,784 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:23,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:23,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2022-10-17 16:40:23,232 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2022-10-17 16:40:23,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:40:23,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:23,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:23,652 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:24,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2022-10-17 16:40:24,103 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2022-10-17 16:40:24,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:40:24,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:24,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:24,558 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:25,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:25,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2022-10-17 16:40:25,000 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2022-10-17 16:40:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:40:25,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:25,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:25,482 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:25,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2022-10-17 16:40:25,925 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2022-10-17 16:40:25,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:40:25,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:25,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:26,410 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:26,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:26,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2022-10-17 16:40:26,920 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2022-10-17 16:40:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:40:26,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:26,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:27,427 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:27,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:27,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2022-10-17 16:40:27,933 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2022-10-17 16:40:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:40:27,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:27,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:28,493 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:29,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:29,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2022-10-17 16:40:29,030 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2022-10-17 16:40:29,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:40:29,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:29,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:30,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:30,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2022-10-17 16:40:30,139 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2022-10-17 16:40:30,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:40:30,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:30,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:30,680 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:31,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:31,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2022-10-17 16:40:31,228 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2022-10-17 16:40:31,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:40:31,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:31,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:31,808 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:32,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:32,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2022-10-17 16:40:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2022-10-17 16:40:32,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:40:32,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:32,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:32,883 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:33,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:33,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2022-10-17 16:40:33,368 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2022-10-17 16:40:33,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:40:33,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:33,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:34,012 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:34,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:34,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2022-10-17 16:40:34,577 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2022-10-17 16:40:34,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:40:34,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:34,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.