./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-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_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/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_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/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_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/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 26bf02dce57f3cc9fa9e6af5bd48026588368cec482f21797d4110581d1b8f61 --- 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 [2022-12-15 01:24:22,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:24:22,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:24:22,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:24:22,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:24:22,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:24:22,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:24:22,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:24:22,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:24:22,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:24:22,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:24:22,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:24:22,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:24:22,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:24:22,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:24:22,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:24:22,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:24:22,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:24:22,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:24:22,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:24:22,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:24:22,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:24:22,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:24:22,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:24:22,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:24:22,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:24:22,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:24:22,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:24:22,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:24:22,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:24:22,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:24:22,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:24:22,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:24:22,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:24:22,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:24:22,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:24:22,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:24:22,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:24:22,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:24:22,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:24:22,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:24:22,200 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:24:22,219 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:24:22,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:24:22,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:24:22,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:24:22,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:24:22,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:24:22,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:24:22,221 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:24:22,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:24:22,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:24:22,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:24:22,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:24:22,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:24:22,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:24:22,227 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:24:22,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:24:22,227 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:24:22,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:24:22,227 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:24:22,228 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:24:22,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:24:22,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:24:22,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:24:22,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:24:22,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:24:22,228 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:24:22,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:24:22,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:24:22,228 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_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26bf02dce57f3cc9fa9e6af5bd48026588368cec482f21797d4110581d1b8f61 [2022-12-15 01:24:22,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:24:22,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:24:22,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:24:22,444 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:24:22,445 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:24:22,446 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c [2022-12-15 01:24:25,084 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:24:25,219 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:24:25,220 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c [2022-12-15 01:24:25,225 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/bin/ukojak-rkRKPMF4O4/data/2f3c8ffd2/a5715557e9ab495793a9ab26ff869c12/FLAGa27d60929 [2022-12-15 01:24:25,236 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/bin/ukojak-rkRKPMF4O4/data/2f3c8ffd2/a5715557e9ab495793a9ab26ff869c12 [2022-12-15 01:24:25,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:24:25,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:24:25,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:24:25,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:24:25,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:24:25,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:24:25" (1/1) ... [2022-12-15 01:24:25,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a13ae86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:25, skipping insertion in model container [2022-12-15 01:24:25,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:24:25" (1/1) ... [2022-12-15 01:24:25,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:24:25,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:24:25,375 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_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c[535,548] [2022-12-15 01:24:25,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:24:25,401 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:24:25,411 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_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c[535,548] [2022-12-15 01:24:25,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:24:25,431 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:24:25,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:25 WrapperNode [2022-12-15 01:24:25,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:24:25,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:24:25,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:24:25,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:24:25,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:25" (1/1) ... [2022-12-15 01:24:25,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:25" (1/1) ... [2022-12-15 01:24:25,462 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2022-12-15 01:24:25,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:24:25,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:24:25,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:24:25,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:24:25,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:25" (1/1) ... [2022-12-15 01:24:25,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:25" (1/1) ... [2022-12-15 01:24:25,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:25" (1/1) ... [2022-12-15 01:24:25,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:25" (1/1) ... [2022-12-15 01:24:25,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:25" (1/1) ... [2022-12-15 01:24:25,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:25" (1/1) ... [2022-12-15 01:24:25,480 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:25" (1/1) ... [2022-12-15 01:24:25,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:25" (1/1) ... [2022-12-15 01:24:25,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:24:25,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:24:25,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:24:25,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:24:25,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:24:25" (1/1) ... [2022-12-15 01:24:25,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:24:25,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:24:25,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:24:25,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:24:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:24:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 01:24:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 01:24:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:24:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:24:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:24:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 01:24:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 01:24:25,587 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:24:25,588 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:24:25,702 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:24:25,718 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:24:25,718 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 01:24:25,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:24:25 BoogieIcfgContainer [2022-12-15 01:24:25,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:24:25,721 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:24:25,721 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:24:25,728 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:24:25,728 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:24:25" (1/1) ... [2022-12-15 01:24:25,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:24:25,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:25,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-12-15 01:24:25,777 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-12-15 01:24:25,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:24:25,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:25,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:25,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-15 01:24:25,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:25,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:24:25,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:25,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-12-15 01:24:25,917 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-12-15 01:24:25,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:24:25,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:25,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:25,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-15 01:24:25,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:26,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:24:26,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:26,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2022-12-15 01:24:26,085 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2022-12-15 01:24:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:24:26,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:26,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:26,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 01:24:26,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:24:27,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:27,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2022-12-15 01:24:27,461 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2022-12-15 01:24:27,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:24:27,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:27,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:27,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-15 01:24:27,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:24:30,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:30,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2022-12-15 01:24:30,139 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2022-12-15 01:24:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:24:30,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:30,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:30,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-15 01:24:30,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:33,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:24:35,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:35,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2022-12-15 01:24:35,589 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2022-12-15 01:24:35,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:24:35,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:35,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:35,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 01:24:35,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:35,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:24:35,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:35,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2022-12-15 01:24:35,667 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2022-12-15 01:24:35,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:24:35,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:35,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:35,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 01:24:35,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:35,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:24:48,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:48,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 53 states and 96 transitions. [2022-12-15 01:24:48,554 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2022-12-15 01:24:48,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:24:48,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:48,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:48,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 01:24:48,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:48,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:25:00,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:00,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 54 states and 97 transitions. [2022-12-15 01:25:00,850 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2022-12-15 01:25:00,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 01:25:00,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:00,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:25:00,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 01:25:00,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:25:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:25:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 68 states and 130 transitions. [2022-12-15 01:25:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 130 transitions. [2022-12-15 01:25:25,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 01:25:25,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:25,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:25:25,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 01:25:25,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:25:25,816 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:25:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 71 states and 135 transitions. [2022-12-15 01:25:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 135 transitions. [2022-12-15 01:25:32,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 01:25:32,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:32,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:25:32,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 01:25:32,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:25:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:25:40,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:40,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 73 states and 137 transitions. [2022-12-15 01:25:40,498 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2022-12-15 01:25:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:25:40,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:40,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:25:40,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 01:25:40,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:25:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:25:42,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 73 states and 132 transitions. [2022-12-15 01:25:42,542 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 132 transitions. [2022-12-15 01:25:42,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:25:42,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:42,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:25:42,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 01:25:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:25:42,594 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2022-12-15 01:25:42,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:25:42 ImpRootNode [2022-12-15 01:25:42,614 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:25:42,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:25:42,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:25:42,615 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:25:42,615 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:24:25" (3/4) ... [2022-12-15 01:25:42,616 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 01:25:42,654 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:25:42,654 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:25:42,655 INFO L158 Benchmark]: Toolchain (without parser) took 77415.73ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 91.7MB in the beginning and 131.2MB in the end (delta: -39.4MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. [2022-12-15 01:25:42,655 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:25:42,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.73ms. Allocated memory is still 130.0MB. Free memory was 91.4MB in the beginning and 80.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 01:25:42,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.88ms. Allocated memory is still 130.0MB. Free memory was 80.5MB in the beginning and 79.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:25:42,657 INFO L158 Benchmark]: Boogie Preprocessor took 19.93ms. Allocated memory is still 130.0MB. Free memory was 79.2MB in the beginning and 78.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:25:42,658 INFO L158 Benchmark]: RCFGBuilder took 236.77ms. Allocated memory is still 130.0MB. Free memory was 78.0MB in the beginning and 65.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 01:25:42,658 INFO L158 Benchmark]: CodeCheck took 76893.87ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 65.4MB in the beginning and 41.4MB in the end (delta: 24.1MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2022-12-15 01:25:42,658 INFO L158 Benchmark]: Witness Printer took 39.49ms. Allocated memory is still 163.6MB. Free memory was 41.4MB in the beginning and 131.2MB in the end (delta: -89.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:25:42,661 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, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 76.9s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1085 SdHoareTripleChecker+Valid, 28.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 429 mSDsluCounter, 750 SdHoareTripleChecker+Invalid, 27.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 242 mSDsCounter, 652 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2155 IncrementalHoareTripleChecker+Invalid, 2807 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 652 mSolverCounterUnsat, 508 mSDtfsCounter, 2155 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2592 GetRequests, 2413 SyntacticMatches, 15 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11688 ImplicationChecksByTransitivity, 72.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 299 NumberOfCodeBlocks, 299 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 255 ConstructedInterpolants, 0 QuantifiedInterpolants, 882 SizeOfPredicates, 18 NumberOfNonLiveVariables, 995 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 67/70 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 14]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int counter = 0; [L21] int A, R; [L22] long long u, v, r; [L23] A = __VERIFIER_nondet_int() [L24] R = __VERIFIER_nondet_int() [L25] CALL assume_abort_if_not((((long long) R - 1) * ((long long) R - 1)) < A) VAL [\old(cond)=1, counter=0] [L9] COND FALSE !(!cond) [L25] RET assume_abort_if_not((((long long) R - 1) * ((long long) R - 1)) < A) VAL [A=3, counter=0, R=0] [L27] CALL assume_abort_if_not(A % 2 == 1) VAL [\old(cond)=1, counter=0] [L9] COND FALSE !(!cond) [L27] RET assume_abort_if_not(A % 2 == 1) VAL [A=3, counter=0, R=0] [L29] u = ((long long) 2 * R) + 1 [L30] v = 1 [L31] r = ((long long) R * R) - A VAL [A=3, counter=0, r=-3, R=0, u=1, v=1] [L34] EXPR counter++ VAL [A=3, counter=1, counter++=0, r=-3, R=0, u=1, v=1] [L34] COND TRUE counter++<2 [L35] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, counter=1] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L35] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [A=3, counter=1, r=-3, R=0, u=1, v=1] [L36] COND FALSE !(!(r != 0)) VAL [A=3, counter=1, r=-3, R=0, u=1, v=1] [L39] EXPR counter++ VAL [A=3, counter=2, counter++=1, r=-3, R=0, u=1, v=1] [L39] COND TRUE counter++<2 [L40] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, counter=2] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L40] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [A=3, counter=2, r=-3, R=0, u=1, v=1] [L41] COND TRUE !(r > 0) VAL [A=3, counter=2, r=-3, R=0, u=1, v=1] [L47] EXPR counter++ VAL [A=3, counter=3, counter++=2, r=-3, R=0, u=1, v=1] [L47] COND FALSE !(counter++<2) [L34] EXPR counter++ VAL [A=3, counter=4, counter++=3, R=0, r=-3, u=1, v=1] [L34] COND FALSE !(counter++<2) [L56] CALL __VERIFIER_assert(((long long) 4*A) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=0, counter=4] [L12] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=4] [L14] reach_error() VAL [\old(cond)=0, cond=0, counter=4] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.73ms. Allocated memory is still 130.0MB. Free memory was 91.4MB in the beginning and 80.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.88ms. Allocated memory is still 130.0MB. Free memory was 80.5MB in the beginning and 79.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.93ms. Allocated memory is still 130.0MB. Free memory was 79.2MB in the beginning and 78.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 236.77ms. Allocated memory is still 130.0MB. Free memory was 78.0MB in the beginning and 65.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 76893.87ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 65.4MB in the beginning and 41.4MB in the end (delta: 24.1MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * Witness Printer took 39.49ms. Allocated memory is still 163.6MB. Free memory was 41.4MB in the beginning and 131.2MB in the end (delta: -89.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 01:25:42,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d0574d-5b27-4fa8-8468-a7ab9787bc3e/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE