./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ --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 4b8e7a0340ae3342090517f2a88c3de1beaa3d83173c8c0fc0ae95ebc1f42c80 --- 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-6b4ec56 [2022-11-20 18:07:20,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:07:20,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:07:20,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:07:20,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:07:20,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:07:20,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:07:21,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:07:21,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:07:21,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:07:21,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:07:21,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:07:21,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:07:21,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:07:21,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:07:21,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:07:21,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:07:21,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:07:21,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:07:21,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:07:21,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:07:21,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:07:21,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:07:21,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:07:21,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:07:21,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:07:21,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:07:21,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:07:21,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:07:21,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:07:21,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:07:21,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:07:21,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:07:21,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:07:21,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:07:21,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:07:21,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:07:21,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:07:21,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:07:21,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:07:21,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:07:21,068 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 18:07:21,106 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:07:21,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:07:21,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:07:21,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:07:21,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:07:21,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:07:21,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:07:21,109 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:07:21,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:07:21,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:07:21,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:07:21,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:07:21,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:07:21,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:07:21,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:07:21,112 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:07:21,112 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:07:21,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:07:21,112 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:07:21,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:07:21,113 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:07:21,113 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:07:21,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:07:21,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:07:21,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:07:21,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:07:21,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:07:21,114 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:07:21,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:07:21,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:07:21,116 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_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b8e7a0340ae3342090517f2a88c3de1beaa3d83173c8c0fc0ae95ebc1f42c80 [2022-11-20 18:07:21,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:07:21,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:07:21,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:07:21,465 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:07:21,465 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:07:21,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c [2022-11-20 18:07:24,515 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:07:24,690 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:07:24,690 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe05781-ce9e-4b25-a87c-2465a500f284/sv-benchmarks/c/termination-nla/egcd2-both-nt.c [2022-11-20 18:07:24,697 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ/data/c17000e84/3c2058b8c3494161af90b0278606fe76/FLAG322ac0d6b [2022-11-20 18:07:24,718 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ/data/c17000e84/3c2058b8c3494161af90b0278606fe76 [2022-11-20 18:07:24,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:07:24,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:07:24,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:07:24,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:07:24,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:07:24,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:07:24" (1/1) ... [2022-11-20 18:07:24,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29165b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:24, skipping insertion in model container [2022-11-20 18:07:24,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:07:24" (1/1) ... [2022-11-20 18:07:24,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:07:24,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:07:24,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:07:24,942 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:07:24,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:07:24,969 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:07:24,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:24 WrapperNode [2022-11-20 18:07:24,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:07:24,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:07:24,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:07:24,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:07:24,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:24" (1/1) ... [2022-11-20 18:07:24,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:24" (1/1) ... [2022-11-20 18:07:25,002 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2022-11-20 18:07:25,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:07:25,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:07:25,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:07:25,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:07:25,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:24" (1/1) ... [2022-11-20 18:07:25,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:24" (1/1) ... [2022-11-20 18:07:25,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:24" (1/1) ... [2022-11-20 18:07:25,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:24" (1/1) ... [2022-11-20 18:07:25,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:24" (1/1) ... [2022-11-20 18:07:25,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:24" (1/1) ... [2022-11-20 18:07:25,043 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:24" (1/1) ... [2022-11-20 18:07:25,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:24" (1/1) ... [2022-11-20 18:07:25,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:07:25,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:07:25,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:07:25,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:07:25,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:24" (1/1) ... [2022-11-20 18:07:25,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:07:25,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:07:25,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:07:25,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:07:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:07:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:07:25,194 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:07:25,196 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:07:25,463 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:07:25,501 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:07:25,501 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 18:07:25,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:07:25 BoogieIcfgContainer [2022-11-20 18:07:25,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:07:25,505 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:07:25,505 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:07:25,516 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:07:25,516 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:07:25" (1/1) ... [2022-11-20 18:07:25,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:07:25,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:25,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2022-11-20 18:07:25,615 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2022-11-20 18:07:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:07:25,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:25,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:25,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 18:07:25,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:26,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 49 states and 55 transitions. [2022-11-20 18:07:26,049 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2022-11-20 18:07:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:07:26,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:26,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:26,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 18:07:26,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:26,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:26,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:26,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2022-11-20 18:07:26,263 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2022-11-20 18:07:26,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:07:26,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:26,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:26,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 18:07:26,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:26,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:26,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:26,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 73 transitions. [2022-11-20 18:07:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-11-20 18:07:26,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:07:26,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:26,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:26,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 18:07:26,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:26,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:27,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:27,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2022-11-20 18:07:27,420 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2022-11-20 18:07:27,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:07:27,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:27,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:27,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 18:07:27,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:27,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:27,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:27,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 68 states and 90 transitions. [2022-11-20 18:07:27,905 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2022-11-20 18:07:27,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:07:27,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:27,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:27,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 18:07:27,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:28,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:28,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:28,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 70 states and 93 transitions. [2022-11-20 18:07:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2022-11-20 18:07:28,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:07:28,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:28,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:28,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 18:07:28,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:28,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:29,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:29,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 80 states and 109 transitions. [2022-11-20 18:07:29,446 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2022-11-20 18:07:29,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:07:29,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:29,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:29,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 18:07:29,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:29,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:30,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 91 states and 127 transitions. [2022-11-20 18:07:30,806 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 127 transitions. [2022-11-20 18:07:30,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:07:30,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:30,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:30,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 18:07:30,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:31,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:32,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:32,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 102 states and 146 transitions. [2022-11-20 18:07:32,894 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 146 transitions. [2022-11-20 18:07:32,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:07:32,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:32,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:32,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 18:07:32,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:32,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:32,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:32,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 103 states and 147 transitions. [2022-11-20 18:07:32,977 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2022-11-20 18:07:32,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:07:32,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:32,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:33,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:07:33,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:34,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:34,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 113 states and 165 transitions. [2022-11-20 18:07:34,904 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2022-11-20 18:07:34,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:07:34,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:34,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:34,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 18:07:34,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:35,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:36,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:36,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 120 states and 177 transitions. [2022-11-20 18:07:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 177 transitions. [2022-11-20 18:07:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:07:36,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:36,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:36,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:07:36,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:36,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:38,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 131 states and 202 transitions. [2022-11-20 18:07:38,249 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 202 transitions. [2022-11-20 18:07:38,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:07:38,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:38,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:38,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 18:07:38,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:38,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:39,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:39,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 137 states and 215 transitions. [2022-11-20 18:07:39,583 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 215 transitions. [2022-11-20 18:07:39,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:07:39,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:39,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:39,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:07:39,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:39,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:42,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:42,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 143 states and 230 transitions. [2022-11-20 18:07:42,377 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 230 transitions. [2022-11-20 18:07:42,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:07:42,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:42,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:42,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 18:07:42,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:42,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:45,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:45,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 158 states and 256 transitions. [2022-11-20 18:07:45,665 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 256 transitions. [2022-11-20 18:07:45,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:07:45,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:45,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:45,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:07:45,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:45,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:48,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:48,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 165 states and 275 transitions. [2022-11-20 18:07:48,592 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 275 transitions. [2022-11-20 18:07:48,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:07:48,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:48,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:48,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:07:48,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:48,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:49,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:49,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 166 states and 277 transitions. [2022-11-20 18:07:49,041 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 277 transitions. [2022-11-20 18:07:49,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:07:49,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:49,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:49,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 18:07:49,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:49,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:50,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 173 states and 289 transitions. [2022-11-20 18:07:50,656 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 289 transitions. [2022-11-20 18:07:50,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:07:50,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:50,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:50,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:07:50,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:59,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:59,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 181 states and 311 transitions. [2022-11-20 18:07:59,252 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 311 transitions. [2022-11-20 18:07:59,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:07:59,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:59,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:59,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:07:59,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:07:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:00,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:00,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 183 states and 315 transitions. [2022-11-20 18:08:00,369 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 315 transitions. [2022-11-20 18:08:00,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:08:00,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:00,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:00,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:08:00,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:08:00,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:04,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:04,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 184 states and 317 transitions. [2022-11-20 18:08:04,451 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 317 transitions. [2022-11-20 18:08:04,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:08:04,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:04,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:04,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 18:08:04,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:08:05,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:09,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:09,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 193 states and 336 transitions. [2022-11-20 18:08:09,484 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 336 transitions. [2022-11-20 18:08:09,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:08:09,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:09,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:09,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:08:09,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:08:09,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:19,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:19,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 202 states and 362 transitions. [2022-11-20 18:08:19,306 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 362 transitions. [2022-11-20 18:08:19,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:08:19,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:19,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:19,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:08:19,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:08:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:27,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:27,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 205 states and 369 transitions. [2022-11-20 18:08:27,386 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 369 transitions. [2022-11-20 18:08:27,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:08:27,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:27,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:27,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:08:27,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:08:27,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:28,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:28,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 206 states and 370 transitions. [2022-11-20 18:08:28,313 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 370 transitions. [2022-11-20 18:08:28,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:08:28,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:28,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:28,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:08:28,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:08:28,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:28,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 207 states and 372 transitions. [2022-11-20 18:08:28,949 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 372 transitions. [2022-11-20 18:08:28,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:08:28,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:28,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:28,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:08:28,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:08:28,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:30,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:30,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 208 states and 374 transitions. [2022-11-20 18:08:30,085 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 374 transitions. [2022-11-20 18:08:30,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:08:30,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:30,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:30,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 18:08:30,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:08:31,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:37,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 218 states and 402 transitions. [2022-11-20 18:08:37,683 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 402 transitions. [2022-11-20 18:08:37,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:08:37,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:37,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:37,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:08:37,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:08:38,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:52,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:52,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 226 states and 425 transitions. [2022-11-20 18:08:52,395 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 425 transitions. [2022-11-20 18:08:52,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:08:52,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:52,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:52,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:08:52,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:08:52,447 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:58,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:58,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 228 states and 428 transitions. [2022-11-20 18:08:58,241 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 428 transitions. [2022-11-20 18:08:58,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:08:58,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:58,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:58,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:08:58,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:08:58,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:09:01,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:09:01,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 229 states and 428 transitions. [2022-11-20 18:09:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 428 transitions. [2022-11-20 18:09:01,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:09:01,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:09:01,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:09:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:09:01,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:09:01,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:09:01,264 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:09:04,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:09:04,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 231 states and 430 transitions. [2022-11-20 18:09:04,870 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 430 transitions. [2022-11-20 18:09:04,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:09:04,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:09:04,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:09:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:09:04,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:09:04,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:09:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:09:07,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:09:07,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 232 states and 430 transitions. [2022-11-20 18:09:07,327 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 430 transitions. [2022-11-20 18:09:07,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:09:07,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:09:07,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:09:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:09:07,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:09:07,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:09:08,458 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:09:38,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:09:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 241 states and 454 transitions. [2022-11-20 18:09:38,073 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 454 transitions. [2022-11-20 18:09:38,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:09:38,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:09:38,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:09:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:09:38,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:09:38,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:09:38,111 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:09:44,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:09:44,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 242 states and 454 transitions. [2022-11-20 18:09:44,090 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 454 transitions. [2022-11-20 18:09:44,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:09:44,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:09:44,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:09:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:09:44,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:09:44,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:09:44,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:09:54,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:09:54,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 244 states and 457 transitions. [2022-11-20 18:09:54,092 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 457 transitions. [2022-11-20 18:09:54,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:09:54,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:09:54,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:09:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:09:54,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 18:09:54,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:09:54,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:09:56,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:09:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 244 states and 456 transitions. [2022-11-20 18:09:56,499 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 456 transitions. [2022-11-20 18:09:56,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:09:56,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:09:56,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:09:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:09:56,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 18:09:56,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:09:56,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:10:00,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:00,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 253 states and 469 transitions. [2022-11-20 18:10:00,738 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 469 transitions. [2022-11-20 18:10:00,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:10:00,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:00,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:00,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 18:10:00,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:10:01,615 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:10:06,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:06,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 256 states and 480 transitions. [2022-11-20 18:10:06,756 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 480 transitions. [2022-11-20 18:10:06,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:10:06,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:06,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:06,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 18:10:06,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:10:06,852 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:10:18,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:18,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 262 states and 519 transitions. [2022-11-20 18:10:18,774 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 519 transitions. [2022-11-20 18:10:18,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:10:18,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:18,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:18,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 18:10:18,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:10:18,898 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:10:21,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:21,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 263 states and 520 transitions. [2022-11-20 18:10:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 520 transitions. [2022-11-20 18:10:21,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:10:21,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:21,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:21,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 18:10:21,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:10:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:10:23,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:23,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 264 states and 521 transitions. [2022-11-20 18:10:23,721 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 521 transitions. [2022-11-20 18:10:23,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:10:23,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:23,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:23,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 18:10:23,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:10:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:10:25,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:25,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 266 states and 523 transitions. [2022-11-20 18:10:25,926 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 523 transitions. [2022-11-20 18:10:25,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:10:25,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:25,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:25,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 18:10:25,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:10:26,023 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:10:30,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:30,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 268 states and 529 transitions. [2022-11-20 18:10:30,240 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 529 transitions. [2022-11-20 18:10:30,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:10:30,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:30,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:30,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 18:10:30,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:10:30,324 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:10:31,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:31,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 269 states and 530 transitions. [2022-11-20 18:10:31,478 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 530 transitions. [2022-11-20 18:10:31,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:10:31,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:31,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:31,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 18:10:31,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:10:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:10:32,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:32,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 270 states and 530 transitions. [2022-11-20 18:10:32,575 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 530 transitions. [2022-11-20 18:10:32,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:10:32,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:32,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:32,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 18:10:32,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:10:32,664 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:10:33,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:33,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 271 states and 532 transitions. [2022-11-20 18:10:33,616 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 532 transitions. [2022-11-20 18:10:33,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:10:33,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:33,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:33,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 18:10:33,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:10:33,722 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:10:34,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:34,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 272 states and 534 transitions. [2022-11-20 18:10:34,788 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 534 transitions. [2022-11-20 18:10:34,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:10:34,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:34,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:10:34,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:10:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:10:34,848 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 50 iterations. [2022-11-20 18:10:34,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:10:34 ImpRootNode [2022-11-20 18:10:34,926 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:10:34,927 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:10:34,927 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:10:34,927 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:10:34,928 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:07:25" (3/4) ... [2022-11-20 18:10:34,930 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 18:10:35,000 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:10:35,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:10:35,001 INFO L158 Benchmark]: Toolchain (without parser) took 190278.03ms. Allocated memory was 136.3MB in the beginning and 358.6MB in the end (delta: 222.3MB). Free memory was 71.8MB in the beginning and 83.4MB in the end (delta: -11.6MB). Peak memory consumption was 213.2MB. Max. memory is 16.1GB. [2022-11-20 18:10:35,002 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:10:35,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.34ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 71.6MB in the beginning and 137.5MB in the end (delta: -65.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-11-20 18:10:35,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.23ms. Allocated memory is still 169.9MB. Free memory was 137.5MB in the beginning and 136.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:10:35,004 INFO L158 Benchmark]: Boogie Preprocessor took 42.55ms. Allocated memory is still 169.9MB. Free memory was 136.2MB in the beginning and 135.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:10:35,004 INFO L158 Benchmark]: RCFGBuilder took 456.99ms. Allocated memory is still 169.9MB. Free memory was 135.2MB in the beginning and 122.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:10:35,005 INFO L158 Benchmark]: CodeCheck took 189421.53ms. Allocated memory was 169.9MB in the beginning and 358.6MB in the end (delta: 188.7MB). Free memory was 122.3MB in the beginning and 85.5MB in the end (delta: 36.8MB). Peak memory consumption was 226.6MB. Max. memory is 16.1GB. [2022-11-20 18:10:35,005 INFO L158 Benchmark]: Witness Printer took 73.70ms. Allocated memory is still 358.6MB. Free memory was 85.5MB in the beginning and 83.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:10:35,008 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, 46 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 189.3s, OverallIterations: 50, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16596 SdHoareTripleChecker+Valid, 99.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15893 mSDsluCounter, 6112 SdHoareTripleChecker+Invalid, 89.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5084 mSDsCounter, 3202 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41519 IncrementalHoareTripleChecker+Invalid, 44721 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3202 mSolverCounterUnsat, 1028 mSDtfsCounter, 41519 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9710 GetRequests, 8690 SyntacticMatches, 294 SemanticMatches, 726 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299722 ImplicationChecksByTransitivity, 179.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 941 NumberOfCodeBlocks, 941 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 867 ConstructedInterpolants, 0 QuantifiedInterpolants, 4985 SizeOfPredicates, 41 NumberOfNonLiveVariables, 2408 ConjunctsInSsa, 193 ConjunctsInUnsatCore, 49 InterpolantComputations, 49 PerfectInterpolantSequences, 166/166 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 - CounterExampleResult [Line: 52]: integer overflow possible integer overflow possible We found a FailurePath: [L19] int x, y; [L20] int a, b, p, q, r, s, c, k; [L21] x = __VERIFIER_nondet_int() [L22] y = __VERIFIER_nondet_int() [L25] COND FALSE !(x<1) VAL [x=1, y=1073741825] [L28] COND FALSE !(y < 1) [L33] a = x [L34] b = y [L35] p = 1 [L36] q = 0 [L37] r = 0 [L38] s = 1 [L39] c = 0 [L40] k = 0 VAL [a=1, b=1073741825, c=0, k=0, p=1, q=0, r=0, s=1, x=1, y=1073741825] [L41] COND TRUE 1 VAL [a=1, b=1073741825, c=0, k=0, p=1, q=0, r=0, s=1, x=1, y=1073741825] [L42] COND FALSE !(!(b != 0)) [L44] c = a [L45] k = 0 VAL [a=1, b=1073741825, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=1073741825] [L47] EXPR y*r VAL [a=1, b=1073741825, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=1073741825] [L47] EXPR x*p VAL [a=1, b=1073741825, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=1073741825] [L47] EXPR y*r + x*p VAL [a=1, b=1073741825, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=1073741825] [L47] COND TRUE a == y*r + x*p VAL [a=1, b=1073741825, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=1073741825] [L52] EXPR c - b [L52] c = c - b VAL [a=1, b=1073741825, c=-1073741824, k=0, p=1, q=0, r=0, s=1, x=1, y=1073741825] [L53] EXPR k + 1 [L53] k = k + 1 VAL [a=1, b=1073741825, c=-1073741824, k=1, p=1, q=0, r=0, s=1, x=1, y=1073741825] [L47] EXPR y*r VAL [a=1, b=1073741825, c=-1073741824, k=1, p=1, q=0, r=0, s=1, x=1, y=1073741825] [L47] EXPR x*p VAL [a=1, b=1073741825, c=-1073741824, k=1, p=1, q=0, r=0, s=1, x=1, y=1073741825] [L47] EXPR y*r + x*p VAL [a=1, b=1073741825, c=-1073741824, k=1, p=1, q=0, r=0, s=1, x=1, y=1073741825] [L47] COND TRUE a == y*r + x*p VAL [a=1, b=1073741825, c=-1073741824, k=1, p=1, q=0, r=0, s=1, x=1, y=1073741825] [L52] c - b VAL [a=1, b=1073741825, c=-1073741824, k=1, p=1, q=0, r=0, s=1, x=1, y=1073741825] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.34ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 71.6MB in the beginning and 137.5MB in the end (delta: -65.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.23ms. Allocated memory is still 169.9MB. Free memory was 137.5MB in the beginning and 136.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.55ms. Allocated memory is still 169.9MB. Free memory was 136.2MB in the beginning and 135.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 456.99ms. Allocated memory is still 169.9MB. Free memory was 135.2MB in the beginning and 122.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 189421.53ms. Allocated memory was 169.9MB in the beginning and 358.6MB in the end (delta: 188.7MB). Free memory was 122.3MB in the beginning and 85.5MB in the end (delta: 36.8MB). Peak memory consumption was 226.6MB. Max. memory is 16.1GB. * Witness Printer took 73.70ms. Allocated memory is still 358.6MB. Free memory was 85.5MB in the beginning and 83.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 18:10:35,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe05781-ce9e-4b25-a87c-2465a500f284/bin/ukojak-pZX7IvK2PQ/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)