./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0504_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0504_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad4b9fd301578a7ddb25530c70896459a49284f596306d3b6d0c853e43916174 --- 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-b5237d8 [2022-11-21 21:59:58,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:59:58,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:59:58,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:59:58,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:59:58,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:59:58,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:59:58,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:59:58,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:59:58,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:59:58,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:59:58,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:59:58,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:59:58,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:59:58,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:59:58,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:59:58,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:59:58,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:59:58,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:59:58,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:59:58,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:59:58,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:59:58,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:59:58,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:59:58,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:59:58,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:59:58,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:59:58,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:59:58,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:59:58,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:59:58,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:59:58,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:59:58,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:59:58,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:59:58,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:59:58,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:59:58,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:59:58,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:59:58,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:59:58,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:59:58,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:59:58,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 21:59:58,828 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:59:58,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:59:58,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:59:58,829 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:59:58,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:59:58,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:59:58,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:59:58,830 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 21:59:58,830 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:59:58,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:59:58,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 21:59:58,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:59:58,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:59:58,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:59:58,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:59:58,832 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:59:58,832 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 21:59:58,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:59:58,832 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:59:58,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:59:58,832 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:59:58,833 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:59:58,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:59:58,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:59:58,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:59:58,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:59:58,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:59:58,834 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:59:58,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:59:58,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:59:58,834 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_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad4b9fd301578a7ddb25530c70896459a49284f596306d3b6d0c853e43916174 [2022-11-21 21:59:59,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:59:59,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:59:59,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:59:59,167 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:59:59,168 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:59:59,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/list-ext-properties/test-0504_1.i [2022-11-21 22:00:02,219 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:00:02,559 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:00:02,563 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/sv-benchmarks/c/list-ext-properties/test-0504_1.i [2022-11-21 22:00:02,574 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg/data/bf2e24692/31d8a0af3f4546eaafeeb93fdcd454f7/FLAG19757f456 [2022-11-21 22:00:02,589 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg/data/bf2e24692/31d8a0af3f4546eaafeeb93fdcd454f7 [2022-11-21 22:00:02,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:00:02,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:00:02,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:00:02,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:00:02,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:00:02,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:00:02" (1/1) ... [2022-11-21 22:00:02,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a88e56d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:02, skipping insertion in model container [2022-11-21 22:00:02,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:00:02" (1/1) ... [2022-11-21 22:00:02,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:00:02,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:00:02,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:00:02,996 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:00:03,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:00:03,094 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:00:03,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:03 WrapperNode [2022-11-21 22:00:03,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:00:03,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:00:03,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:00:03,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:00:03,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:03" (1/1) ... [2022-11-21 22:00:03,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:03" (1/1) ... [2022-11-21 22:00:03,162 INFO L138 Inliner]: procedures = 123, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 116 [2022-11-21 22:00:03,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:00:03,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:00:03,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:00:03,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:00:03,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:03" (1/1) ... [2022-11-21 22:00:03,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:03" (1/1) ... [2022-11-21 22:00:03,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:03" (1/1) ... [2022-11-21 22:00:03,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:03" (1/1) ... [2022-11-21 22:00:03,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:03" (1/1) ... [2022-11-21 22:00:03,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:03" (1/1) ... [2022-11-21 22:00:03,193 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:03" (1/1) ... [2022-11-21 22:00:03,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:03" (1/1) ... [2022-11-21 22:00:03,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:00:03,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:00:03,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:00:03,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:00:03,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:03" (1/1) ... [2022-11-21 22:00:03,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:00:03,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:00:03,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:00:03,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:00:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:00:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:00:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 22:00:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:00:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 22:00:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 22:00:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:00:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:00:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:00:03,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:00:03,416 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:00:03,431 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:00:03,731 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:00:03,858 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:00:03,858 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 22:00:03,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:00:03 BoogieIcfgContainer [2022-11-21 22:00:03,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:00:03,862 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:00:03,862 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:00:03,873 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:00:03,873 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:00:03" (1/1) ... [2022-11-21 22:00:03,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:00:03,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:03,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2022-11-21 22:00:03,940 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-11-21 22:00:03,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:00:03,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:03,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:04,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:04,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:04,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2022-11-21 22:00:04,168 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-11-21 22:00:04,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:00:04,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:04,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:04,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:04,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:04,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2022-11-21 22:00:04,343 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2022-11-21 22:00:04,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:00:04,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:04,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:04,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:04,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:04,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2022-11-21 22:00:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-11-21 22:00:04,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:00:04,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:04,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:04,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:04,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2022-11-21 22:00:04,466 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-11-21 22:00:04,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:00:04,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:04,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:04,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:04,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:04,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2022-11-21 22:00:04,647 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2022-11-21 22:00:04,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:00:04,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:04,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:04,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:04,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2022-11-21 22:00:04,784 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-21 22:00:04,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:00:04,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:04,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:05,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:05,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2022-11-21 22:00:05,275 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2022-11-21 22:00:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:00:05,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:05,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:05,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:05,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:05,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2022-11-21 22:00:05,439 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2022-11-21 22:00:05,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:00:05,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:05,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:05,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-21 22:00:05,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:05,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2022-11-21 22:00:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2022-11-21 22:00:06,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:00:06,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:06,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:06,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 22:00:06,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:06,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2022-11-21 22:00:06,608 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2022-11-21 22:00:06,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:00:06,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:06,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:06,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:06,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:06,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2022-11-21 22:00:06,911 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-11-21 22:00:06,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:00:06,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:06,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:07,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:07,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:07,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 73 transitions. [2022-11-21 22:00:07,092 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2022-11-21 22:00:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:00:07,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:07,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:07,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:07,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:07,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2022-11-21 22:00:07,635 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2022-11-21 22:00:07,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:00:07,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:07,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:07,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:00:07,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:07,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 59 states and 80 transitions. [2022-11-21 22:00:07,854 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2022-11-21 22:00:07,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:00:07,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:07,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:08,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:08,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:08,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 65 states and 90 transitions. [2022-11-21 22:00:08,776 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-21 22:00:08,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:00:08,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:08,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:08,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 22:00:08,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:09,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:09,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:09,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2022-11-21 22:00:09,632 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2022-11-21 22:00:09,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:00:09,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:09,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:09,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:10,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 74 states and 109 transitions. [2022-11-21 22:00:10,258 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2022-11-21 22:00:10,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:00:10,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:10,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:10,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 22:00:10,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:10,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:10,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:10,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 78 states and 121 transitions. [2022-11-21 22:00:10,937 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 121 transitions. [2022-11-21 22:00:10,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:00:10,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:10,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:11,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 22:00:11,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:11,524 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:12,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:12,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 84 states and 131 transitions. [2022-11-21 22:00:12,810 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 131 transitions. [2022-11-21 22:00:12,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:00:12,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:12,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:12,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:13,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:13,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 88 states and 137 transitions. [2022-11-21 22:00:13,391 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 137 transitions. [2022-11-21 22:00:13,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:00:13,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:13,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:13,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 22:00:13,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:13,720 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:14,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:14,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 93 states and 143 transitions. [2022-11-21 22:00:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 143 transitions. [2022-11-21 22:00:14,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:00:14,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:14,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:14,509 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:15,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:15,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 93 states and 142 transitions. [2022-11-21 22:00:15,022 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 142 transitions. [2022-11-21 22:00:15,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:00:15,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:15,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:15,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:00:15,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:15,375 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:16,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:16,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 98 states and 149 transitions. [2022-11-21 22:00:16,577 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 149 transitions. [2022-11-21 22:00:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:00:16,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:16,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:16,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 22:00:16,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:16,876 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:17,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 102 states and 162 transitions. [2022-11-21 22:00:17,503 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 162 transitions. [2022-11-21 22:00:17,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:00:17,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:17,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:17,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 22:00:17,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:18,225 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:19,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:19,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 107 states and 167 transitions. [2022-11-21 22:00:19,519 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 167 transitions. [2022-11-21 22:00:19,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:00:19,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:19,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:19,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 22:00:19,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 22:00:21,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:21,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 113 states and 174 transitions. [2022-11-21 22:00:21,845 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 174 transitions. [2022-11-21 22:00:21,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:00:21,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:21,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:23,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:23,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 122 states and 191 transitions. [2022-11-21 22:00:23,316 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 191 transitions. [2022-11-21 22:00:23,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:00:23,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:23,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:23,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-21 22:00:23,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:24,229 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:27,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 131 states and 204 transitions. [2022-11-21 22:00:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 204 transitions. [2022-11-21 22:00:27,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:00:27,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:27,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:27,563 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:28,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:28,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 135 states and 209 transitions. [2022-11-21 22:00:28,009 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 209 transitions. [2022-11-21 22:00:28,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:00:28,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:28,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:28,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 22:00:28,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:29,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:29,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 139 states and 223 transitions. [2022-11-21 22:00:29,254 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 223 transitions. [2022-11-21 22:00:29,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:00:29,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:29,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:29,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 22:00:29,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:29,794 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:31,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:31,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 144 states and 229 transitions. [2022-11-21 22:00:31,072 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 229 transitions. [2022-11-21 22:00:31,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:00:31,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:31,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:31,205 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 22:00:31,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:31,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 144 states and 228 transitions. [2022-11-21 22:00:31,944 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 228 transitions. [2022-11-21 22:00:31,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 22:00:31,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:31,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:32,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 22:00:32,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:32,753 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:33,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:33,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 143 states and 226 transitions. [2022-11-21 22:00:33,496 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 226 transitions. [2022-11-21 22:00:33,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:00:33,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:33,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:33,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 22:00:33,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:33,756 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:00:34,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:34,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 146 states and 229 transitions. [2022-11-21 22:00:34,510 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 229 transitions. [2022-11-21 22:00:34,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 22:00:34,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:34,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:34,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 22:00:34,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:00:35,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:35,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 148 states and 230 transitions. [2022-11-21 22:00:35,283 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 230 transitions. [2022-11-21 22:00:35,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 22:00:35,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:35,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:35,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-21 22:00:35,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:36,291 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 22:00:38,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:38,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 154 states and 237 transitions. [2022-11-21 22:00:38,937 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 237 transitions. [2022-11-21 22:00:38,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 22:00:38,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:38,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:39,564 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:41,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:41,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 163 states and 255 transitions. [2022-11-21 22:00:41,356 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 255 transitions. [2022-11-21 22:00:41,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:00:41,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:41,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:41,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 22:00:41,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:41,949 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 22:00:44,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:44,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 169 states and 268 transitions. [2022-11-21 22:00:44,709 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 268 transitions. [2022-11-21 22:00:44,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:00:44,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:44,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:45,082 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:45,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:45,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 173 states and 273 transitions. [2022-11-21 22:00:45,757 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 273 transitions. [2022-11-21 22:00:45,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 22:00:45,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:45,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:45,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-21 22:00:45,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:47,284 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:49,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:49,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 178 states and 277 transitions. [2022-11-21 22:00:49,606 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 277 transitions. [2022-11-21 22:00:49,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 22:00:49,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:49,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:49,741 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 22:00:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 178 states and 276 transitions. [2022-11-21 22:00:50,878 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 276 transitions. [2022-11-21 22:00:50,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 22:00:50,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:50,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:51,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 22:00:51,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:00:52,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:52,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 184 states and 283 transitions. [2022-11-21 22:00:52,288 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 283 transitions. [2022-11-21 22:00:52,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 22:00:52,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:52,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:52,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 22:00:52,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:52,662 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:00:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:53,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 187 states and 286 transitions. [2022-11-21 22:00:53,586 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 286 transitions. [2022-11-21 22:00:53,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 22:00:53,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:53,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:53,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-21 22:00:53,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:00:55,482 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:01,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:01,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 196 states and 299 transitions. [2022-11-21 22:01:01,155 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 299 transitions. [2022-11-21 22:01:01,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 22:01:01,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:01,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:03,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:03,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 205 states and 318 transitions. [2022-11-21 22:01:03,774 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 318 transitions. [2022-11-21 22:01:03,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-21 22:01:03,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:03,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:03,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-21 22:01:04,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:04,665 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:05,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:05,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 207 states and 319 transitions. [2022-11-21 22:01:05,890 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 319 transitions. [2022-11-21 22:01:05,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 22:01:05,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:05,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:06,469 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:07,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:07,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 211 states and 324 transitions. [2022-11-21 22:01:07,392 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 324 transitions. [2022-11-21 22:01:07,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 22:01:07,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:07,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:07,559 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-21 22:01:08,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:08,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 211 states and 323 transitions. [2022-11-21 22:01:08,669 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 323 transitions. [2022-11-21 22:01:08,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-21 22:01:08,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:08,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:08,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 22:01:08,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:01:10,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:10,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 217 states and 330 transitions. [2022-11-21 22:01:10,115 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 330 transitions. [2022-11-21 22:01:10,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-21 22:01:10,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:10,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:10,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 22:01:10,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:01:11,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 220 states and 333 transitions. [2022-11-21 22:01:11,612 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 333 transitions. [2022-11-21 22:01:11,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 22:01:11,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:11,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:11,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-21 22:01:11,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:13,855 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:20,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:20,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 229 states and 346 transitions. [2022-11-21 22:01:20,755 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 346 transitions. [2022-11-21 22:01:20,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 22:01:20,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:20,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:24,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:24,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 238 states and 365 transitions. [2022-11-21 22:01:24,190 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 365 transitions. [2022-11-21 22:01:24,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-21 22:01:24,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:24,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:24,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-21 22:01:24,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:27,063 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:30,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:30,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 240 states and 366 transitions. [2022-11-21 22:01:30,238 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 366 transitions. [2022-11-21 22:01:30,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-21 22:01:30,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:30,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:30,834 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:32,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:32,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 244 states and 371 transitions. [2022-11-21 22:01:32,091 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 371 transitions. [2022-11-21 22:01:32,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-21 22:01:32,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:32,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:32,259 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-21 22:01:33,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:33,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 244 states and 370 transitions. [2022-11-21 22:01:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 370 transitions. [2022-11-21 22:01:33,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-21 22:01:33,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:33,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:34,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-21 22:01:34,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:34,366 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:01:35,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:35,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 250 states and 377 transitions. [2022-11-21 22:01:35,701 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 377 transitions. [2022-11-21 22:01:35,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 22:01:35,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:35,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:35,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-21 22:01:35,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:01:37,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:37,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 253 states and 380 transitions. [2022-11-21 22:01:37,451 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 380 transitions. [2022-11-21 22:01:37,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-21 22:01:37,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:37,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:37,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-21 22:01:37,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:40,671 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:50,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:50,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 262 states and 393 transitions. [2022-11-21 22:01:50,226 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 393 transitions. [2022-11-21 22:01:50,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-21 22:01:50,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:50,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:54,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:54,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 271 states and 412 transitions. [2022-11-21 22:01:54,960 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 412 transitions. [2022-11-21 22:01:54,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-21 22:01:54,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:54,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:55,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-21 22:01:55,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:58,977 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:02:03,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 273 states and 413 transitions. [2022-11-21 22:02:03,352 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 413 transitions. [2022-11-21 22:02:03,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-21 22:02:03,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:03,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:04,166 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:02:05,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:05,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 277 states and 418 transitions. [2022-11-21 22:02:05,730 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 418 transitions. [2022-11-21 22:02:05,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-21 22:02:05,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:05,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:05,934 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-21 22:02:07,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:07,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 277 states and 417 transitions. [2022-11-21 22:02:07,955 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 417 transitions. [2022-11-21 22:02:07,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-21 22:02:07,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:07,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:08,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-21 22:02:08,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:02:08,407 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:02:10,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 283 states and 424 transitions. [2022-11-21 22:02:10,162 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 424 transitions. [2022-11-21 22:02:10,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-21 22:02:10,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:10,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:10,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-21 22:02:10,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:02:10,706 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:02:12,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:12,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 286 states and 427 transitions. [2022-11-21 22:02:12,658 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 427 transitions. [2022-11-21 22:02:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-21 22:02:12,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:12,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:12,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-21 22:02:12,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:02:14,186 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 145 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 22:02:15,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:15,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 160 states and 186 transitions. [2022-11-21 22:02:15,543 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 186 transitions. [2022-11-21 22:02:15,543 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:02:15,543 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 66 iterations. [2022-11-21 22:02:15,554 INFO L754 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2022-11-21 22:02:17,772 INFO L560 CodeCheckObserver]: Invariant with dag size 54 [2022-11-21 22:02:17,785 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2022-11-21 22:02:17,786 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 22:02:17,787 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 22:02:17,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:02:17 ImpRootNode [2022-11-21 22:02:17,787 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:02:17,788 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:02:17,788 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:02:17,789 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:02:17,789 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:00:03" (3/4) ... [2022-11-21 22:02:17,793 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:02:17,804 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-21 22:02:17,804 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-21 22:02:17,805 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 22:02:17,805 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:02:17,865 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:02:17,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:02:17,866 INFO L158 Benchmark]: Toolchain (without parser) took 135272.62ms. Allocated memory was 155.2MB in the beginning and 1.1GB in the end (delta: 968.9MB). Free memory was 112.4MB in the beginning and 832.9MB in the end (delta: -720.5MB). Peak memory consumption was 250.3MB. Max. memory is 16.1GB. [2022-11-21 22:02:17,866 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:02:17,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.74ms. Allocated memory is still 155.2MB. Free memory was 112.4MB in the beginning and 95.1MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:02:17,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.88ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:02:17,867 INFO L158 Benchmark]: Boogie Preprocessor took 34.02ms. Allocated memory is still 155.2MB. Free memory was 93.0MB in the beginning and 91.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:02:17,868 INFO L158 Benchmark]: RCFGBuilder took 663.22ms. Allocated memory is still 155.2MB. Free memory was 91.4MB in the beginning and 69.9MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-21 22:02:17,868 INFO L158 Benchmark]: CodeCheck took 133926.00ms. Allocated memory was 155.2MB in the beginning and 1.1GB in the end (delta: 968.9MB). Free memory was 69.9MB in the beginning and 837.1MB in the end (delta: -767.2MB). Peak memory consumption was 202.1MB. Max. memory is 16.1GB. [2022-11-21 22:02:17,868 INFO L158 Benchmark]: Witness Printer took 77.04ms. Allocated memory is still 1.1GB. Free memory was 837.1MB in the beginning and 832.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:02:17,870 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, 29 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 131.7s, OverallIterations: 66, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20135 SdHoareTripleChecker+Valid, 106.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18672 mSDsluCounter, 8408 SdHoareTripleChecker+Invalid, 92.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7788 mSDsCounter, 7343 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45950 IncrementalHoareTripleChecker+Invalid, 53293 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7343 mSolverCounterUnsat, 620 mSDtfsCounter, 45950 mSolverCounterSat, 1.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18425 GetRequests, 16950 SyntacticMatches, 697 SemanticMatches, 778 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408247 ImplicationChecksByTransitivity, 110.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 1.0s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 30.9s InterpolantComputationTime, 2109 NumberOfCodeBlocks, 2109 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 2044 ConstructedInterpolants, 0 QuantifiedInterpolants, 7937 SizeOfPredicates, 144 NumberOfNonLiveVariables, 17988 ConjunctsInSsa, 424 ConjunctsInUnsatCore, 65 InterpolantComputations, 31 PerfectInterpolantSequences, 1245/3068 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: 540]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 540]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: ((((((((((((((((((c2 == 2 && c1 == 3) || ((c2 == 1 && c1 <= 1) && 1 <= c1)) || (c1 == 4 && c2 == 2)) || ((c2 <= 3 && c1 == 3) && 3 <= c2)) || ((c1 <= 2 && !(c1 <= 1)) && c2 == 0)) || ((c2 == 1 && c1 <= 3) && 2 <= c1)) || (((c1 <= 1 && c2 <= 3) && 1 <= c1) && !(c2 <= 2))) || (((c1 <= 2 && c2 <= 3) && !(c1 <= 1)) && !(c2 <= 2))) || ((!(c1 <= 4) && c1 <= 5) && c2 == 0)) || ((2 <= c2 && c1 == 2) && c2 <= 2)) || ((5 == c1 && c2 <= 3) && 3 <= c2)) || ((c1 <= 4 && c2 == 1) && !(c1 <= 3))) || ((c1 == 4 && c2 <= 3) && 3 <= c2)) || ((!(c1 <= 2) && c1 <= 3) && c2 == 0)) || ((c1 <= 4 && !(c1 <= 3)) && c2 == 0)) || ((!(c1 <= 4) && c1 <= 5) && c2 == 1)) || ((c1 == 1 && c2 <= 2) && !(c2 <= 1))) || ((c1 <= 1 && 1 <= c1) && c2 == 0)) || (5 == c1 && c2 == 2) - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((((((c1 <= 2 && !(c1 <= 1)) && c2 == 0) || (c1 == 0 && c2 == 0)) || ((!(c1 <= 4) && c1 <= 5) && c2 == 0)) || ((!(c1 <= 2) && c1 <= 3) && c2 == 0)) || ((c1 <= 4 && !(c1 <= 3)) && c2 == 0)) || ((c1 <= 1 && 1 <= c1) && c2 == 0) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: c1 <= 4 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: c1 <= 5 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.74ms. Allocated memory is still 155.2MB. Free memory was 112.4MB in the beginning and 95.1MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.88ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.02ms. Allocated memory is still 155.2MB. Free memory was 93.0MB in the beginning and 91.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 663.22ms. Allocated memory is still 155.2MB. Free memory was 91.4MB in the beginning and 69.9MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 133926.00ms. Allocated memory was 155.2MB in the beginning and 1.1GB in the end (delta: 968.9MB). Free memory was 69.9MB in the beginning and 837.1MB in the end (delta: -767.2MB). Peak memory consumption was 202.1MB. Max. memory is 16.1GB. * Witness Printer took 77.04ms. Allocated memory is still 1.1GB. Free memory was 837.1MB in the beginning and 832.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:02:17,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfb8e110-6716-4d98-b197-26db152e8657/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE