./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-45.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 5d7e41890311b17b4172246b2c6ff0c305b3b8a9717c6f0cb798c28922acd89f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:37:58,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:37:58,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:37:58,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:37:58,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:37:58,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:37:58,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:37:58,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:37:58,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:37:58,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:37:58,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:37:58,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:37:58,915 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:37:58,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:37:58,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:37:58,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:37:58,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:37:58,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:37:58,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:37:58,919 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:37:58,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:37:58,920 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:37:58,921 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:37:58,921 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:37:58,922 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:37:58,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:37:58,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:37:58,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:37:58,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:37:58,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:37:58,924 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:37:58,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:37:58,925 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:37:58,925 INFO L153 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_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d7e41890311b17b4172246b2c6ff0c305b3b8a9717c6f0cb798c28922acd89f [2023-12-03 00:37:59,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:37:59,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:37:59,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:37:59,166 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:37:59,167 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:37:59,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-45.i [2023-12-03 00:38:01,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:38:02,135 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:38:02,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-45.i [2023-12-03 00:38:02,143 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/data/92893c397/ffe45aaf09424050b132cb6ccb0b2e69/FLAGb46296bb8 [2023-12-03 00:38:02,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/data/92893c397/ffe45aaf09424050b132cb6ccb0b2e69 [2023-12-03 00:38:02,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:38:02,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:38:02,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:38:02,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:38:02,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:38:02,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:38:02" (1/1) ... [2023-12-03 00:38:02,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@102cd524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:02, skipping insertion in model container [2023-12-03 00:38:02,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:38:02" (1/1) ... [2023-12-03 00:38:02,189 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:38:02,312 WARN L240 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_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-45.i[915,928] [2023-12-03 00:38:02,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:38:02,364 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:38:02,374 WARN L240 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_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-45.i[915,928] [2023-12-03 00:38:02,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:38:02,412 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:38:02,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:02 WrapperNode [2023-12-03 00:38:02,413 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:38:02,414 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:38:02,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:38:02,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:38:02,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:02" (1/1) ... [2023-12-03 00:38:02,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:02" (1/1) ... [2023-12-03 00:38:02,460 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2023-12-03 00:38:02,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:38:02,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:38:02,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:38:02,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:38:02,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:02" (1/1) ... [2023-12-03 00:38:02,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:02" (1/1) ... [2023-12-03 00:38:02,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:02" (1/1) ... [2023-12-03 00:38:02,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:02" (1/1) ... [2023-12-03 00:38:02,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:02" (1/1) ... [2023-12-03 00:38:02,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:02" (1/1) ... [2023-12-03 00:38:02,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:02" (1/1) ... [2023-12-03 00:38:02,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:02" (1/1) ... [2023-12-03 00:38:02,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:38:02,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:38:02,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:38:02,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:38:02,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:02" (1/1) ... [2023-12-03 00:38:02,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:38:02,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:38:02,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:38:02,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:38:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:38:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:38:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:38:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:38:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:38:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:38:02,656 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:38:02,659 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:38:02,877 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:38:03,040 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:38:03,040 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:38:03,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:38:03 BoogieIcfgContainer [2023-12-03 00:38:03,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:38:03,043 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:38:03,043 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:38:03,052 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:38:03,052 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:38:03" (1/1) ... [2023-12-03 00:38:03,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:38:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2023-12-03 00:38:03,109 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2023-12-03 00:38:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 00:38:03,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:03,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:38:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:38:03,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:38:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:38:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:38:04,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:38:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:38:04,094 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:38:04,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:38:04 ImpRootNode [2023-12-03 00:38:04,164 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:38:04,165 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:38:04,165 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:38:04,165 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:38:04,166 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:38:03" (3/4) ... [2023-12-03 00:38:04,168 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:38:04,169 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:38:04,170 INFO L158 Benchmark]: Toolchain (without parser) took 2011.63ms. Allocated memory was 148.9MB in the beginning and 213.9MB in the end (delta: 65.0MB). Free memory was 102.3MB in the beginning and 182.3MB in the end (delta: -80.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:38:04,171 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 148.9MB. Free memory was 119.9MB in the beginning and 119.9MB in the end (delta: 26.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:38:04,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.71ms. Allocated memory is still 148.9MB. Free memory was 101.9MB in the beginning and 89.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:38:04,172 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.48ms. Allocated memory is still 148.9MB. Free memory was 89.3MB in the beginning and 87.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:38:04,172 INFO L158 Benchmark]: Boogie Preprocessor took 31.92ms. Allocated memory is still 148.9MB. Free memory was 87.2MB in the beginning and 85.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:38:04,173 INFO L158 Benchmark]: RCFGBuilder took 547.75ms. Allocated memory was 148.9MB in the beginning and 213.9MB in the end (delta: 65.0MB). Free memory was 85.5MB in the beginning and 176.9MB in the end (delta: -91.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-12-03 00:38:04,174 INFO L158 Benchmark]: CodeCheck took 1121.24ms. Allocated memory is still 213.9MB. Free memory was 176.9MB in the beginning and 182.3MB in the end (delta: -5.4MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2023-12-03 00:38:04,174 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 213.9MB. Free memory is still 182.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:38:04,178 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 93, overapproximation of someBinaryArithmeticDOUBLEoperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 999999.2; [L23] double var_1_6 = 0.0; [L24] double var_1_7 = 5.9; [L25] double var_1_8 = 255.6; [L26] unsigned long int var_1_9 = 4; [L27] unsigned char var_1_10 = 0; [L28] unsigned long int var_1_11 = 1142722175; [L29] unsigned long int var_1_12 = 1231257437; [L30] signed char var_1_13 = -10; [L31] signed char var_1_14 = 100; [L32] signed char var_1_15 = 4; [L33] signed char var_1_16 = 64; [L34] signed char var_1_17 = 1; [L35] signed char var_1_18 = -8; [L36] unsigned char var_1_19 = 4; [L97] isInitial = 1 [L98] FCALL initially() [L99] int k_loop; [L100] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=4] [L100] COND TRUE k_loop < 1 [L101] FCALL updateLastVariables() [L102] CALL updateVariables() [L59] var_1_6 = __VERIFIER_nondet_double() [L60] CALL assume_abort_if_not((var_1_6 >= 4611686.018427382800e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_7=59/10, var_1_8=1278/5, var_1_9=4] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not((var_1_6 >= 4611686.018427382800e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_7=59/10, var_1_8=1278/5, var_1_9=4] [L61] var_1_7 = __VERIFIER_nondet_double() [L62] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_8=1278/5, var_1_9=4] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_8=1278/5, var_1_9=4] [L63] var_1_8 = __VERIFIER_nondet_double() [L64] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L65] var_1_10 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L67] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L68] var_1_11 = __VERIFIER_nondet_ulong() [L69] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L70] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L71] var_1_12 = __VERIFIER_nondet_ulong() [L72] CALL assume_abort_if_not(var_1_12 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_12 >= 1073741824) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L73] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L74] var_1_14 = __VERIFIER_nondet_char() [L75] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L76] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L77] var_1_15 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L79] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L80] var_1_16 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L82] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L83] var_1_17 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=0, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=0, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L85] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=0, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=0, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L86] var_1_18 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_18 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=0, var_1_17=-63, var_1_18=63, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_18 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=0, var_1_17=-63, var_1_18=63, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L88] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=0, var_1_17=-63, var_1_18=63, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=0, var_1_17=-63, var_1_18=63, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L102] RET updateVariables() [L103] CALL step() [L40] COND FALSE !(\read(var_1_10)) [L43] var_1_19 = var_1_16 [L44] unsigned long int stepLocal_0 = ((((var_1_19 + var_1_9)) < (var_1_9)) ? ((var_1_19 + var_1_9)) : (var_1_9)); [L45] COND FALSE !(\read(var_1_10)) [L48] COND FALSE !(var_1_12 < stepLocal_0) [L52] COND FALSE !((var_1_9 / 32) < (((((var_1_13 + var_1_9)) < (var_1_19)) ? ((var_1_13 + var_1_9)) : (var_1_19)))) [L55] var_1_1 = var_1_6 [L103] RET step() [L104] CALL, EXPR property() [L93-L94] return (((((var_1_9 / 32) < (((((var_1_13 + var_1_9)) < (var_1_19)) ? ((var_1_13 + var_1_9)) : (var_1_19)))) ? (var_1_1 == ((double) ((var_1_6 - var_1_7) - var_1_8))) : (var_1_1 == ((double) var_1_6))) && (var_1_10 ? (var_1_9 == ((unsigned long int) ((var_1_11 + var_1_12) - 5u))) : 1)) && (var_1_10 ? (var_1_13 == ((signed char) (var_1_14 - ((((((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) < (50)) ? (((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) : (50)))))) : ((var_1_12 < (((((var_1_19 + var_1_9)) < (var_1_9)) ? ((var_1_19 + var_1_9)) : (var_1_9)))) ? (var_1_13 == ((signed char) (var_1_17 + var_1_18))) : 1))) && (var_1_19 == ((unsigned char) var_1_16)) ; [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=0, var_1_17=-63, var_1_18=63, var_1_19=0, var_1_1=2, var_1_6=2, var_1_9=4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=0, var_1_16=0, var_1_17=-63, var_1_18=63, var_1_19=0, var_1_1=2, var_1_6=2, var_1_9=4] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 148.9MB. Free memory was 119.9MB in the beginning and 119.9MB in the end (delta: 26.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.71ms. Allocated memory is still 148.9MB. Free memory was 101.9MB in the beginning and 89.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.48ms. Allocated memory is still 148.9MB. Free memory was 89.3MB in the beginning and 87.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.92ms. Allocated memory is still 148.9MB. Free memory was 87.2MB in the beginning and 85.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 547.75ms. Allocated memory was 148.9MB in the beginning and 213.9MB in the end (delta: 65.0MB). Free memory was 85.5MB in the beginning and 176.9MB in the end (delta: -91.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * CodeCheck took 1121.24ms. Allocated memory is still 213.9MB. Free memory was 176.9MB in the beginning and 182.3MB in the end (delta: -5.4MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 213.9MB. Free memory is still 182.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:38:04,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-45.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 5d7e41890311b17b4172246b2c6ff0c305b3b8a9717c6f0cb798c28922acd89f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:38:06,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:38:06,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:38:06,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:38:06,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:38:06,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:38:06,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:38:06,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:38:06,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:38:06,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:38:06,283 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:38:06,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:38:06,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:38:06,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:38:06,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:38:06,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:38:06,286 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:38:06,286 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:38:06,287 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:38:06,287 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:38:06,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:38:06,288 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:38:06,289 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:38:06,289 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:38:06,290 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:38:06,290 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:06,291 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:38:06,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:38:06,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:38:06,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:38:06,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:38:06,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:38:06,293 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:38:06,293 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:06,293 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:38:06,294 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:38:06,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:38:06,294 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d7e41890311b17b4172246b2c6ff0c305b3b8a9717c6f0cb798c28922acd89f [2023-12-03 00:38:06,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:38:06,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:38:06,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:38:06,617 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:38:06,618 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:38:06,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-45.i [2023-12-03 00:38:09,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:38:09,571 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:38:09,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-45.i [2023-12-03 00:38:09,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/data/a07c522dd/c60e44df887945769ba52e8af3a264f3/FLAG8d2fdfb19 [2023-12-03 00:38:09,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/data/a07c522dd/c60e44df887945769ba52e8af3a264f3 [2023-12-03 00:38:09,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:38:09,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:38:09,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:38:09,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:38:09,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:38:09,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:38:09" (1/1) ... [2023-12-03 00:38:09,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112217ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:09, skipping insertion in model container [2023-12-03 00:38:09,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:38:09" (1/1) ... [2023-12-03 00:38:09,636 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:38:09,771 WARN L240 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_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-45.i[915,928] [2023-12-03 00:38:09,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:38:09,830 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:38:09,842 WARN L240 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_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-45.i[915,928] [2023-12-03 00:38:09,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:38:09,883 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:38:09,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:09 WrapperNode [2023-12-03 00:38:09,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:38:09,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:38:09,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:38:09,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:38:09,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:09" (1/1) ... [2023-12-03 00:38:09,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:09" (1/1) ... [2023-12-03 00:38:09,929 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-12-03 00:38:09,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:38:09,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:38:09,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:38:09,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:38:09,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:09" (1/1) ... [2023-12-03 00:38:09,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:09" (1/1) ... [2023-12-03 00:38:09,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:09" (1/1) ... [2023-12-03 00:38:09,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:09" (1/1) ... [2023-12-03 00:38:09,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:09" (1/1) ... [2023-12-03 00:38:09,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:09" (1/1) ... [2023-12-03 00:38:09,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:09" (1/1) ... [2023-12-03 00:38:09,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:09" (1/1) ... [2023-12-03 00:38:09,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:38:09,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:38:09,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:38:09,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:38:09,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:09" (1/1) ... [2023-12-03 00:38:09,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:38:09,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:38:09,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:38:10,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:38:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:38:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:38:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:38:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:38:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:38:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:38:10,121 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:38:10,123 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:38:10,571 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:38:10,668 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:38:10,668 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:38:10,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:38:10 BoogieIcfgContainer [2023-12-03 00:38:10,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:38:10,671 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:38:10,671 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:38:10,681 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:38:10,682 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:38:10" (1/1) ... [2023-12-03 00:38:10,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:38:10,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:10,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2023-12-03 00:38:10,748 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2023-12-03 00:38:10,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 00:38:10,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:10,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:10,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:10,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:10,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a35fae18-ba8e-43e0-ba13-dab50c50eb6e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:38:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:11,558 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:16,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 00:38:16,273 INFO L285 TraceCheckSpWp]: Computing forward predicates...