./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.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_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/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_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/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_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/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 e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 --- 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 23:13:12,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:13:12,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:13:12,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:13:12,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:13:12,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:13:12,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:13:12,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:13:12,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:13:12,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:13:12,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:13:12,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:13:12,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:13:12,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:13:12,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:13:12,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:13:12,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:13:12,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:13:12,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:13:12,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:13:12,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:13:12,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:13:12,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:13:12,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:13:12,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:13:12,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:13:12,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:13:12,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:13:12,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:13:12,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:13:12,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:13:12,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:13:12,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:13:12,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:13:12,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:13:12,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:13:12,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:13:12,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:13:12,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:13:12,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:13:12,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:13:12,070 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:13:12,092 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:13:12,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:13:12,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:13:12,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:13:12,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:13:12,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:13:12,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:13:12,104 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:13:12,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:13:12,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:13:12,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:13:12,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:13:12,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:13:12,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:13:12,105 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:13:12,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:13:12,106 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:13:12,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:13:12,106 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:13:12,106 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:13:12,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:13:12,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:13:12,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:13:12,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:13:12,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:13:12,107 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:13:12,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:13:12,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:13:12,108 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_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 [2022-12-14 23:13:12,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:13:12,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:13:12,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:13:12,309 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:13:12,310 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:13:12,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2022-12-14 23:13:14,860 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:13:14,976 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:13:14,976 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2022-12-14 23:13:14,980 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/bin/ukojak-rkRKPMF4O4/data/c54d1e489/8265a3a6ce2e4929b354b4167702d044/FLAG717e97fa5 [2022-12-14 23:13:14,992 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/bin/ukojak-rkRKPMF4O4/data/c54d1e489/8265a3a6ce2e4929b354b4167702d044 [2022-12-14 23:13:14,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:13:14,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:13:14,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:13:14,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:13:14,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:13:15,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:13:14" (1/1) ... [2022-12-14 23:13:15,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569c7d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:13:15, skipping insertion in model container [2022-12-14 23:13:15,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:13:14" (1/1) ... [2022-12-14 23:13:15,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:13:15,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:13:15,117 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_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] [2022-12-14 23:13:15,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:13:15,135 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:13:15,144 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_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] [2022-12-14 23:13:15,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:13:15,158 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:13:15,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:13:15 WrapperNode [2022-12-14 23:13:15,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:13:15,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:13:15,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:13:15,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:13:15,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:13:15" (1/1) ... [2022-12-14 23:13:15,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:13:15" (1/1) ... [2022-12-14 23:13:15,182 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-12-14 23:13:15,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:13:15,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:13:15,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:13:15,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:13:15,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:13:15" (1/1) ... [2022-12-14 23:13:15,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:13:15" (1/1) ... [2022-12-14 23:13:15,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:13:15" (1/1) ... [2022-12-14 23:13:15,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:13:15" (1/1) ... [2022-12-14 23:13:15,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:13:15" (1/1) ... [2022-12-14 23:13:15,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:13:15" (1/1) ... [2022-12-14 23:13:15,195 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:13:15" (1/1) ... [2022-12-14 23:13:15,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:13:15" (1/1) ... [2022-12-14 23:13:15,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:13:15,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:13:15,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:13:15,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:13:15,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:13:15" (1/1) ... [2022-12-14 23:13:15,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:13:15,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:13:15,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:13:15,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:13:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:13:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 23:13:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 23:13:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:13:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:13:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:13:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 23:13:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 23:13:15,302 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:13:15,304 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:13:15,409 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:13:15,437 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:13:15,437 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:13:15,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:13:15 BoogieIcfgContainer [2022-12-14 23:13:15,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:13:15,439 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:13:15,440 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:13:15,447 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:13:15,447 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:13:15" (1/1) ... [2022-12-14 23:13:15,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:13:15,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:15,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-12-14 23:13:15,497 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-12-14 23:13:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:13:15,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:15,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:15,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 23:13:15,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:15,714 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 23:13:15,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:15,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-12-14 23:13:15,837 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-12-14 23:13:15,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 23:13:15,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:15,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:15,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-14 23:13:15,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 23:13:16,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 55 transitions. [2022-12-14 23:13:16,415 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-12-14 23:13:16,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:13:16,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:16,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:16,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 23:13:16,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 23:13:17,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 75 transitions. [2022-12-14 23:13:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2022-12-14 23:13:17,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 23:13:17,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:17,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:17,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 23:13:17,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 23:13:17,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 39 states and 73 transitions. [2022-12-14 23:13:17,251 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2022-12-14 23:13:17,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 23:13:17,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:17,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:17,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 23:13:17,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:17,503 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 23:13:17,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:17,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 43 states and 87 transitions. [2022-12-14 23:13:17,923 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 87 transitions. [2022-12-14 23:13:17,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 23:13:17,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:17,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:17,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 23:13:17,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:18,061 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 23:13:18,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:18,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 47 states and 97 transitions. [2022-12-14 23:13:18,535 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 97 transitions. [2022-12-14 23:13:18,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 23:13:18,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:18,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:18,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 45 conjunts are in the unsatisfiable core [2022-12-14 23:13:18,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-14 23:13:19,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:19,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 52 states and 112 transitions. [2022-12-14 23:13:19,775 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 112 transitions. [2022-12-14 23:13:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 23:13:19,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:19,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:19,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-14 23:13:19,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:20,391 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 14 proven. 13 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 23:13:21,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:21,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 55 states and 125 transitions. [2022-12-14 23:13:21,377 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 125 transitions. [2022-12-14 23:13:21,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 23:13:21,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:21,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:21,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 23:13:21,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-14 23:13:22,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:22,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 58 states and 131 transitions. [2022-12-14 23:13:22,309 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 131 transitions. [2022-12-14 23:13:22,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 23:13:22,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:22,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:22,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-14 23:13:22,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:22,994 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 23:13:24,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 62 states and 141 transitions. [2022-12-14 23:13:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 141 transitions. [2022-12-14 23:13:24,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 23:13:24,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:24,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:24,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-14 23:13:24,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:25,223 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 23:13:26,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 66 states and 153 transitions. [2022-12-14 23:13:26,999 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 153 transitions. [2022-12-14 23:13:26,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 23:13:26,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:27,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:27,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-14 23:13:27,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:27,657 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-14 23:13:29,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:29,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 68 states and 160 transitions. [2022-12-14 23:13:29,030 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 160 transitions. [2022-12-14 23:13:29,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 23:13:29,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:29,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:29,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 23:13:29,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:29,210 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 23:13:34,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:34,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 72 states and 170 transitions. [2022-12-14 23:13:34,848 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 170 transitions. [2022-12-14 23:13:34,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 23:13:34,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:34,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:34,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 23:13:34,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:35,192 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-12-14 23:13:36,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:36,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 74 states and 183 transitions. [2022-12-14 23:13:36,363 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 183 transitions. [2022-12-14 23:13:36,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 23:13:36,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:36,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:36,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 23:13:36,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:36,529 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-12-14 23:13:37,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:37,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 77 states and 189 transitions. [2022-12-14 23:13:37,243 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 189 transitions. [2022-12-14 23:13:37,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 23:13:37,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:37,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:37,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 23:13:37,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:37,384 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-12-14 23:13:37,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:37,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 48 states and 79 transitions. [2022-12-14 23:13:37,898 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2022-12-14 23:13:37,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 23:13:37,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:37,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:37,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 23:13:37,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:37,938 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 23:13:39,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:39,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 49 states and 80 transitions. [2022-12-14 23:13:39,229 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2022-12-14 23:13:39,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 23:13:39,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:39,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:39,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 23:13:39,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:39,281 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 23:13:40,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:40,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 46 states and 72 transitions. [2022-12-14 23:13:40,922 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2022-12-14 23:13:40,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 23:13:40,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:40,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:40,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 23:13:40,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-12-14 23:13:44,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:44,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 47 states and 73 transitions. [2022-12-14 23:13:44,582 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions. [2022-12-14 23:13:44,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 23:13:44,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:44,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:44,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 23:13:44,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-12-14 23:13:46,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:46,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 43 states and 64 transitions. [2022-12-14 23:13:46,630 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2022-12-14 23:13:46,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-14 23:13:46,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:46,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:46,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 23:13:46,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:13:46,672 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-12-14 23:13:50,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:50,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 33 states and 49 transitions. [2022-12-14 23:13:50,477 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2022-12-14 23:13:50,477 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:13:50,478 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-12-14 23:13:50,484 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 23:13:50,769 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:13:50,772 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:13:50,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:13:50 ImpRootNode [2022-12-14 23:13:50,772 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:13:50,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:13:50,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:13:50,773 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:13:50,773 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:13:15" (3/4) ... [2022-12-14 23:13:50,775 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:13:50,779 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 23:13:50,779 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 23:13:50,781 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-14 23:13:50,781 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 23:13:50,781 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 23:13:50,781 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:13:50,806 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:13:50,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:13:50,807 INFO L158 Benchmark]: Toolchain (without parser) took 35811.10ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 90.5MB in the beginning and 131.8MB in the end (delta: -41.3MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-12-14 23:13:50,807 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory was 98.2MB in the beginning and 98.0MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:13:50,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.19ms. Allocated memory is still 132.1MB. Free memory was 90.5MB in the beginning and 79.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 23:13:50,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.70ms. Allocated memory is still 132.1MB. Free memory was 79.9MB in the beginning and 78.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:13:50,807 INFO L158 Benchmark]: Boogie Preprocessor took 14.79ms. Allocated memory is still 132.1MB. Free memory was 78.3MB in the beginning and 77.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:13:50,808 INFO L158 Benchmark]: RCFGBuilder took 241.39ms. Allocated memory is still 132.1MB. Free memory was 77.1MB in the beginning and 64.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 23:13:50,808 INFO L158 Benchmark]: CodeCheck took 35333.02ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 64.1MB in the beginning and 135.0MB in the end (delta: -70.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-12-14 23:13:50,808 INFO L158 Benchmark]: Witness Printer took 33.36ms. Allocated memory is still 207.6MB. Free memory was 135.0MB in the beginning and 131.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:13:50,810 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 3 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.0s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3031 SdHoareTripleChecker+Valid, 15.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 521 mSDsluCounter, 1310 SdHoareTripleChecker+Invalid, 14.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 580 mSDsCounter, 2519 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7450 IncrementalHoareTripleChecker+Invalid, 9969 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2519 mSolverCounterUnsat, 730 mSDtfsCounter, 7450 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9209 GetRequests, 8872 SyntacticMatches, 105 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27059 ImplicationChecksByTransitivity, 29.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 983 NumberOfCodeBlocks, 983 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 962 ConstructedInterpolants, 0 QuantifiedInterpolants, 4249 SizeOfPredicates, 113 NumberOfNonLiveVariables, 2790 ConjunctsInSsa, 491 ConjunctsInUnsatCore, 21 InterpolantComputations, 5 PerfectInterpolantSequences, 1438/1568 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: 13]: 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: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory was 98.2MB in the beginning and 98.0MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.19ms. Allocated memory is still 132.1MB. Free memory was 90.5MB in the beginning and 79.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.70ms. Allocated memory is still 132.1MB. Free memory was 79.9MB in the beginning and 78.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.79ms. Allocated memory is still 132.1MB. Free memory was 78.3MB in the beginning and 77.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 241.39ms. Allocated memory is still 132.1MB. Free memory was 77.1MB in the beginning and 64.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 35333.02ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 64.1MB in the beginning and 135.0MB in the end (delta: -70.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Witness Printer took 33.36ms. Allocated memory is still 207.6MB. Free memory was 135.0MB in the beginning and 131.8MB 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 23:13:50,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0a240-c628-49b4-b3f3-67bd629fe6f5/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