./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d6c389695f28ab23288d12eab23e55426fe9ec0f0b8fe9723cca18e00c3db8b7 --- 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-2329fc7 [2022-12-14 22:29:19,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:29:19,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:29:19,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:29:19,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:29:19,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:29:19,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:29:19,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:29:19,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:29:19,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:29:19,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:29:19,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:29:19,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:29:19,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:29:19,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:29:19,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:29:19,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:29:19,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:29:19,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:29:19,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:29:19,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:29:19,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:29:19,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:29:19,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:29:19,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:29:19,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:29:19,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:29:19,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:29:19,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:29:19,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:29:19,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:29:19,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:29:19,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:29:19,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:29:19,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:29:19,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:29:19,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:29:19,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:29:19,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:29:19,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:29:19,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:29:19,963 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:29:19,984 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:29:19,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:29:19,986 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:29:19,986 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:29:19,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:29:19,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:29:19,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:29:19,987 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:29:19,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:29:19,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:29:19,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:29:19,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:29:19,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:29:19,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:29:19,988 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:29:19,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:29:19,988 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:29:19,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:29:19,988 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:29:19,988 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:29:19,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:29:19,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:29:19,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:29:19,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:29:19,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:29:19,989 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:29:19,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:29:19,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:29:19,990 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_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6c389695f28ab23288d12eab23e55426fe9ec0f0b8fe9723cca18e00c3db8b7 [2022-12-14 22:29:20,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:29:20,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:29:20,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:29:20,196 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:29:20,197 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:29:20,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2022-12-14 22:29:22,740 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:29:22,884 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:29:22,885 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2022-12-14 22:29:22,891 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4/data/dcdc6b455/b59a7ba2ffb64189bd48fa93d67ef8bb/FLAG389fa8798 [2022-12-14 22:29:22,903 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4/data/dcdc6b455/b59a7ba2ffb64189bd48fa93d67ef8bb [2022-12-14 22:29:22,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:29:22,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:29:22,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:29:22,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:29:22,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:29:22,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:29:22" (1/1) ... [2022-12-14 22:29:22,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e6484a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:29:22, skipping insertion in model container [2022-12-14 22:29:22,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:29:22" (1/1) ... [2022-12-14 22:29:22,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:29:22,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:29:23,056 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c[520,533] [2022-12-14 22:29:23,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:29:23,081 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:29:23,093 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c[520,533] [2022-12-14 22:29:23,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:29:23,111 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:29:23,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:29:23 WrapperNode [2022-12-14 22:29:23,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:29:23,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:29:23,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:29:23,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:29:23,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:29:23" (1/1) ... [2022-12-14 22:29:23,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:29:23" (1/1) ... [2022-12-14 22:29:23,143 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-12-14 22:29:23,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:29:23,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:29:23,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:29:23,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:29:23,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:29:23" (1/1) ... [2022-12-14 22:29:23,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:29:23" (1/1) ... [2022-12-14 22:29:23,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:29:23" (1/1) ... [2022-12-14 22:29:23,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:29:23" (1/1) ... [2022-12-14 22:29:23,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:29:23" (1/1) ... [2022-12-14 22:29:23,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:29:23" (1/1) ... [2022-12-14 22:29:23,161 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:29:23" (1/1) ... [2022-12-14 22:29:23,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:29:23" (1/1) ... [2022-12-14 22:29:23,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:29:23,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:29:23,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:29:23,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:29:23,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:29:23" (1/1) ... [2022-12-14 22:29:23,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:29:23,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:29:23,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:29:23,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:29:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:29:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:29:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:29:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:29:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 22:29:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 22:29:23,285 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:29:23,287 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:29:23,373 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:29:23,392 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:29:23,392 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:29:23,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:29:23 BoogieIcfgContainer [2022-12-14 22:29:23,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:29:23,395 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:29:23,395 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:29:23,403 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:29:23,404 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:29:23" (1/1) ... [2022-12-14 22:29:23,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:29:23,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:23,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2022-12-14 22:29:23,457 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2022-12-14 22:29:23,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:29:23,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:23,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:29:23,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:23,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-12-14 22:29:23,565 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-12-14 22:29:23,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 22:29:23,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:23,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:29:23,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:23,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2022-12-14 22:29:23,673 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-12-14 22:29:23,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 22:29:23,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:23,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:23,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:29:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:24,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2022-12-14 22:29:24,042 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2022-12-14 22:29:24,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:29:24,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:24,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:24,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 22:29:24,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:24,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:29:24,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:24,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2022-12-14 22:29:24,642 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2022-12-14 22:29:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 22:29:24,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:24,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:24,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 22:29:24,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:24,734 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:29:24,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:24,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 51 transitions. [2022-12-14 22:29:24,831 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2022-12-14 22:29:24,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:29:24,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:24,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:24,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:29:24,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:24,900 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:29:25,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:25,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 58 transitions. [2022-12-14 22:29:25,020 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2022-12-14 22:29:25,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:29:25,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:25,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:25,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 22:29:25,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:25,113 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 22:29:25,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:25,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 66 transitions. [2022-12-14 22:29:25,529 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2022-12-14 22:29:25,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:29:25,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:25,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:25,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 22:29:25,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:25,648 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 22:29:26,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:26,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 47 states and 101 transitions. [2022-12-14 22:29:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 101 transitions. [2022-12-14 22:29:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:29:26,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:26,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:26,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 22:29:26,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:26,473 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 22:29:26,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:26,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 49 states and 102 transitions. [2022-12-14 22:29:26,706 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 102 transitions. [2022-12-14 22:29:26,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 22:29:26,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:26,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:26,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:29:26,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:26,792 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 22:29:27,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:27,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 51 states and 109 transitions. [2022-12-14 22:29:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 109 transitions. [2022-12-14 22:29:27,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 22:29:27,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:27,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:27,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 22:29:27,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:27,258 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 22:29:27,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:27,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 53 states and 118 transitions. [2022-12-14 22:29:27,789 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 118 transitions. [2022-12-14 22:29:27,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 22:29:27,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:27,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:27,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 22:29:27,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:27,856 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 22:29:28,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:28,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 52 states and 113 transitions. [2022-12-14 22:29:28,157 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 113 transitions. [2022-12-14 22:29:28,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 22:29:28,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:28,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:28,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:29:28,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:28,355 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 22:29:29,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:29,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 52 states and 112 transitions. [2022-12-14 22:29:29,245 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 112 transitions. [2022-12-14 22:29:29,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 22:29:29,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:29,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:29,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 22:29:29,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:29,369 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 22:29:29,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:29,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 53 states and 120 transitions. [2022-12-14 22:29:29,680 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 120 transitions. [2022-12-14 22:29:29,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 22:29:29,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:29,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:29,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:29:29,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:29,717 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-14 22:29:29,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:29,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 54 states and 122 transitions. [2022-12-14 22:29:29,848 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2022-12-14 22:29:29,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 22:29:29,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:29,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:29,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 22:29:29,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:30,030 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 22:29:31,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 66 states and 166 transitions. [2022-12-14 22:29:31,157 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 166 transitions. [2022-12-14 22:29:31,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 22:29:31,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:31,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:31,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 22:29:31,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:31,301 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 22:29:31,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:31,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 69 states and 172 transitions. [2022-12-14 22:29:31,902 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 172 transitions. [2022-12-14 22:29:31,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 22:29:31,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:31,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:31,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 22:29:31,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:32,029 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 22:29:32,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:32,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 38 states and 63 transitions. [2022-12-14 22:29:32,416 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2022-12-14 22:29:32,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 22:29:32,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:32,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:32,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:29:32,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:32,450 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-12-14 22:29:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 38 states and 62 transitions. [2022-12-14 22:29:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2022-12-14 22:29:32,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 22:29:32,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:32,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:32,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 22:29:32,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:32,756 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 22:29:33,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:33,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 32 states and 51 transitions. [2022-12-14 22:29:33,170 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2022-12-14 22:29:33,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:29:33,171 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-12-14 22:29:33,178 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 22:29:33,473 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:29:33,476 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2022-12-14 22:29:33,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:29:33 ImpRootNode [2022-12-14 22:29:33,481 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:29:33,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:29:33,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:29:33,481 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:29:33,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:29:23" (3/4) ... [2022-12-14 22:29:33,483 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:29:33,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 22:29:33,489 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-14 22:29:33,490 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 22:29:33,490 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 22:29:33,490 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:29:33,513 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:29:33,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:29:33,513 INFO L158 Benchmark]: Toolchain (without parser) took 10605.99ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 83.4MB in the beginning and 109.7MB in the end (delta: -26.3MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-12-14 22:29:33,514 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:29:33,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.46ms. Allocated memory is still 123.7MB. Free memory was 83.2MB in the beginning and 72.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:29:33,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.90ms. Allocated memory is still 123.7MB. Free memory was 72.7MB in the beginning and 71.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:29:33,515 INFO L158 Benchmark]: Boogie Preprocessor took 19.58ms. Allocated memory is still 123.7MB. Free memory was 71.1MB in the beginning and 70.2MB in the end (delta: 841.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:29:33,515 INFO L158 Benchmark]: RCFGBuilder took 229.92ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 70.2MB in the beginning and 143.3MB in the end (delta: -73.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-12-14 22:29:33,515 INFO L158 Benchmark]: CodeCheck took 10085.42ms. Allocated memory is still 172.0MB. Free memory was 143.2MB in the beginning and 112.8MB in the end (delta: 30.4MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. [2022-12-14 22:29:33,516 INFO L158 Benchmark]: Witness Printer took 31.90ms. Allocated memory is still 172.0MB. Free memory was 112.8MB in the beginning and 109.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:29:33,517 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.7s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1472 SdHoareTripleChecker+Valid, 7.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 500 mSDsluCounter, 698 SdHoareTripleChecker+Invalid, 6.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 228 mSDsCounter, 2186 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6680 IncrementalHoareTripleChecker+Invalid, 8866 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2186 mSolverCounterUnsat, 470 mSDtfsCounter, 6680 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5430 GetRequests, 5096 SyntacticMatches, 122 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21973 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 567 NumberOfCodeBlocks, 567 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 547 ConstructedInterpolants, 0 QuantifiedInterpolants, 1920 SizeOfPredicates, 36 NumberOfNonLiveVariables, 1705 ConjunctsInSsa, 250 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 702/839 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: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((a == 1 && s == 4) || (!(5 == t && 2 == a) && !(counter <= 1))) || (!(3 == t && a == 1) && counter <= 1)) || (9 == s && !(counter <= 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.46ms. Allocated memory is still 123.7MB. Free memory was 83.2MB in the beginning and 72.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.90ms. Allocated memory is still 123.7MB. Free memory was 72.7MB in the beginning and 71.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.58ms. Allocated memory is still 123.7MB. Free memory was 71.1MB in the beginning and 70.2MB in the end (delta: 841.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 229.92ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 70.2MB in the beginning and 143.3MB in the end (delta: -73.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * CodeCheck took 10085.42ms. Allocated memory is still 172.0MB. Free memory was 143.2MB in the beginning and 112.8MB in the end (delta: 30.4MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. * Witness Printer took 31.90ms. Allocated memory is still 172.0MB. Free memory was 112.8MB in the beginning and 109.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:29:33,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c188cc4d-5d87-48da-a3f5-3872f5b90cf5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE