./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/gcd_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_b01dd156-9ba4-4d02-8112-44ccae35ece8/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01dd156-9ba4-4d02-8112-44ccae35ece8/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_b01dd156-9ba4-4d02-8112-44ccae35ece8/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01dd156-9ba4-4d02-8112-44ccae35ece8/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01dd156-9ba4-4d02-8112-44ccae35ece8/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01dd156-9ba4-4d02-8112-44ccae35ece8/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 19:24:16,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:24:16,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:24:16,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:24:16,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:24:16,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:24:16,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:24:16,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:24:16,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:24:16,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:24:16,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:24:16,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:24:16,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:24:16,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:24:16,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:24:16,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:24:16,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:24:16,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:24:16,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:24:16,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:24:16,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:24:16,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:24:16,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:24:16,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:24:16,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:24:16,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:24:16,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:24:16,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:24:16,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:24:16,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:24:16,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:24:16,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:24:16,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:24:16,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:24:16,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:24:16,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:24:16,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:24:16,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:24:16,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:24:16,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:24:16,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:24:16,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01dd156-9ba4-4d02-8112-44ccae35ece8/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 19:24:16,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:24:16,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:24:16,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:24:16,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:24:16,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:24:16,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:24:16,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:24:16,236 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:24:16,236 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 19:24:16,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:24:16,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:24:16,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:24:16,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:24:16,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:24:16,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:24:16,237 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 19:24:16,237 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:24:16,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:24:16,238 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:24:16,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:24:16,238 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:24:16,238 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:24:16,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:24:16,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:24:16,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:24:16,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:24:16,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:24:16,239 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:24:16,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:24:16,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:24:16,239 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_b01dd156-9ba4-4d02-8112-44ccae35ece8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01dd156-9ba4-4d02-8112-44ccae35ece8/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef [2022-12-14 19:24:16,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:24:16,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:24:16,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:24:16,447 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:24:16,448 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:24:16,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01dd156-9ba4-4d02-8112-44ccae35ece8/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/bitvector/gcd_4.c [2022-12-14 19:24:19,037 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:24:19,215 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:24:19,216 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01dd156-9ba4-4d02-8112-44ccae35ece8/sv-benchmarks/c/bitvector/gcd_4.c [2022-12-14 19:24:19,220 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01dd156-9ba4-4d02-8112-44ccae35ece8/bin/ukojak-rkRKPMF4O4/data/5b3a9356e/1a795a3f065d43cd88dd8fbc52296248/FLAG8f8a1b811 [2022-12-14 19:24:19,231 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01dd156-9ba4-4d02-8112-44ccae35ece8/bin/ukojak-rkRKPMF4O4/data/5b3a9356e/1a795a3f065d43cd88dd8fbc52296248 [2022-12-14 19:24:19,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:24:19,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:24:19,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:24:19,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:24:19,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:24:19,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:24:19" (1/1) ... [2022-12-14 19:24:19,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef80425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:19, skipping insertion in model container [2022-12-14 19:24:19,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:24:19" (1/1) ... [2022-12-14 19:24:19,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:24:19,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:24:19,370 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_b01dd156-9ba4-4d02-8112-44ccae35ece8/sv-benchmarks/c/bitvector/gcd_4.c[662,675] [2022-12-14 19:24:19,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:24:19,389 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:24:19,402 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_b01dd156-9ba4-4d02-8112-44ccae35ece8/sv-benchmarks/c/bitvector/gcd_4.c[662,675] [2022-12-14 19:24:19,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:24:19,420 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:24:19,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:19 WrapperNode [2022-12-14 19:24:19,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:24:19,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:24:19,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:24:19,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:24:19,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:19" (1/1) ... [2022-12-14 19:24:19,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:19" (1/1) ... [2022-12-14 19:24:19,454 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2022-12-14 19:24:19,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:24:19,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:24:19,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:24:19,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:24:19,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:19" (1/1) ... [2022-12-14 19:24:19,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:19" (1/1) ... [2022-12-14 19:24:19,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:19" (1/1) ... [2022-12-14 19:24:19,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:19" (1/1) ... [2022-12-14 19:24:19,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:19" (1/1) ... [2022-12-14 19:24:19,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:19" (1/1) ... [2022-12-14 19:24:19,470 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:19" (1/1) ... [2022-12-14 19:24:19,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:19" (1/1) ... [2022-12-14 19:24:19,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:24:19,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:24:19,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:24:19,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:24:19,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:19" (1/1) ... [2022-12-14 19:24:19,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:24:19,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01dd156-9ba4-4d02-8112-44ccae35ece8/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:24:19,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01dd156-9ba4-4d02-8112-44ccae35ece8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:24:19,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01dd156-9ba4-4d02-8112-44ccae35ece8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:24:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:24:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:24:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:24:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:24:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 19:24:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 19:24:19,579 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:24:19,581 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:24:19,703 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:24:19,725 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:24:19,726 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:24:19,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:24:19 BoogieIcfgContainer [2022-12-14 19:24:19,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:24:19,729 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:24:19,729 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:24:19,736 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:24:19,737 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:24:19" (1/1) ... [2022-12-14 19:24:19,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:24:19,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:19,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2022-12-14 19:24:19,791 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-12-14 19:24:19,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 19:24:19,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:19,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:19,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:19,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:19,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-12-14 19:24:19,973 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-12-14 19:24:19,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 19:24:19,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:19,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:20,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:20,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-12-14 19:24:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-12-14 19:24:20,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 19:24:20,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:20,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:20,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:20,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-12-14 19:24:20,174 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-12-14 19:24:20,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 19:24:20,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:20,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:20,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:20,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:20,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-12-14 19:24:20,241 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-12-14 19:24:20,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 19:24:20,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:20,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:20,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:20,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:20,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-12-14 19:24:20,288 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-12-14 19:24:20,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 19:24:20,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:20,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:20,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:20,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:20,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2022-12-14 19:24:20,544 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-12-14 19:24:20,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 19:24:20,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:20,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:20,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:20,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:20,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2022-12-14 19:24:20,831 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2022-12-14 19:24:20,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 19:24:20,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:20,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:20,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:21,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:21,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2022-12-14 19:24:21,218 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2022-12-14 19:24:21,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 19:24:21,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:21,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:21,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:21,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2022-12-14 19:24:21,702 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2022-12-14 19:24:21,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 19:24:21,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:21,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:21,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2022-12-14 19:24:21,965 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2022-12-14 19:24:21,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:24:21,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:21,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:22,071 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:22,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2022-12-14 19:24:22,351 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2022-12-14 19:24:22,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:24:22,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:22,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:23,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:23,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2022-12-14 19:24:23,001 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2022-12-14 19:24:23,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:24:23,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:23,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:23,028 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:23,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:23,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2022-12-14 19:24:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2022-12-14 19:24:23,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:24:23,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:23,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:23,452 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:23,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:23,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 56 states and 103 transitions. [2022-12-14 19:24:23,780 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 103 transitions. [2022-12-14 19:24:23,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:24:23,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:23,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:23,810 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:23,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:23,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 58 states and 110 transitions. [2022-12-14 19:24:23,987 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 110 transitions. [2022-12-14 19:24:23,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:24:23,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:23,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:24,181 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:24,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:24,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2022-12-14 19:24:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2022-12-14 19:24:24,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:24:24,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:24,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:24,585 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:25,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:25,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 66 states and 125 transitions. [2022-12-14 19:24:25,379 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2022-12-14 19:24:25,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:24:25,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:25,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:25,420 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:25,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:25,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 68 states and 132 transitions. [2022-12-14 19:24:25,602 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 132 transitions. [2022-12-14 19:24:25,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:24:25,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:25,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:27,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:27,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 80 states and 157 transitions. [2022-12-14 19:24:27,380 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 157 transitions. [2022-12-14 19:24:27,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:24:27,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:27,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:27,413 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:28,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:28,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 86 states and 167 transitions. [2022-12-14 19:24:28,404 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 167 transitions. [2022-12-14 19:24:28,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:24:28,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:28,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:28,554 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 19:24:28,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:28,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 86 states and 165 transitions. [2022-12-14 19:24:28,862 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 165 transitions. [2022-12-14 19:24:28,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:24:28,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:28,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:28,896 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:24:29,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:29,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 173 transitions. [2022-12-14 19:24:29,389 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 173 transitions. [2022-12-14 19:24:29,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 19:24:29,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:29,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:29,417 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 19:24:30,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:30,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 96 states and 181 transitions. [2022-12-14 19:24:30,130 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 181 transitions. [2022-12-14 19:24:30,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 19:24:30,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:30,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:30,375 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:30,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:30,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 100 states and 187 transitions. [2022-12-14 19:24:30,902 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 187 transitions. [2022-12-14 19:24:30,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 19:24:30,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:30,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:31,223 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:32,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:32,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 106 states and 199 transitions. [2022-12-14 19:24:32,449 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 199 transitions. [2022-12-14 19:24:32,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 19:24:32,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:32,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:32,789 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:33,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 110 states and 210 transitions. [2022-12-14 19:24:33,903 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 210 transitions. [2022-12-14 19:24:33,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 19:24:33,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:33,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:34,204 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:24:34,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:34,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 112 states and 212 transitions. [2022-12-14 19:24:34,904 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 212 transitions. [2022-12-14 19:24:34,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:24:34,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:34,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:34,938 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:24:35,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:35,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 114 states and 219 transitions. [2022-12-14 19:24:35,372 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 219 transitions. [2022-12-14 19:24:35,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:24:35,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:35,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:35,562 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 19:24:36,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:36,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 116 states and 220 transitions. [2022-12-14 19:24:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 220 transitions. [2022-12-14 19:24:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:24:36,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:36,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:36,405 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 19:24:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 120 states and 229 transitions. [2022-12-14 19:24:37,238 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 229 transitions. [2022-12-14 19:24:37,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:24:37,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:37,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 19:24:37,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 120 states and 227 transitions. [2022-12-14 19:24:37,605 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 227 transitions. [2022-12-14 19:24:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:24:37,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:37,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:37,635 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 20 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:24:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:38,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 122 states and 230 transitions. [2022-12-14 19:24:38,011 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 230 transitions. [2022-12-14 19:24:38,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:24:38,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:38,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:38,049 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 19:24:38,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:38,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 124 states and 233 transitions. [2022-12-14 19:24:38,609 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 233 transitions. [2022-12-14 19:24:38,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 19:24:38,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:38,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:38,751 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 19:24:39,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:39,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 126 states and 238 transitions. [2022-12-14 19:24:39,546 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 238 transitions. [2022-12-14 19:24:39,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 19:24:39,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:39,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:39,581 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 19:24:39,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:39,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 128 states and 243 transitions. [2022-12-14 19:24:39,962 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 243 transitions. [2022-12-14 19:24:39,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 19:24:39,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:39,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:40,004 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 36 proven. 38 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 19:24:40,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:40,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 130 states and 244 transitions. [2022-12-14 19:24:40,445 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 244 transitions. [2022-12-14 19:24:40,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 19:24:40,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:40,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:24:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:41,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 132 states and 248 transitions. [2022-12-14 19:24:41,621 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 248 transitions. [2022-12-14 19:24:41,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 19:24:41,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:41,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 19:24:42,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:42,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 134 states and 250 transitions. [2022-12-14 19:24:42,917 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 250 transitions. [2022-12-14 19:24:42,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 19:24:42,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:42,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:43,665 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 8 proven. 120 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:24:46,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:46,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2022-12-14 19:24:46,399 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2022-12-14 19:24:46,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 19:24:46,399 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 40 iterations. [2022-12-14 19:24:46,405 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 19:24:46,501 INFO L560 CodeCheckObserver]: Invariant with dag size 43 [2022-12-14 19:24:46,510 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 19:24:46,510 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 19:24:46,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 07:24:46 ImpRootNode [2022-12-14 19:24:46,510 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 19:24:46,510 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 19:24:46,510 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 19:24:46,511 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 19:24:46,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:24:19" (3/4) ... [2022-12-14 19:24:46,513 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 19:24:46,517 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 19:24:46,519 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-14 19:24:46,520 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 19:24:46,520 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 19:24:46,520 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 19:24:46,520 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 19:24:46,544 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01dd156-9ba4-4d02-8112-44ccae35ece8/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 19:24:46,544 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 19:24:46,545 INFO L158 Benchmark]: Toolchain (without parser) took 27310.33ms. Allocated memory was 121.6MB in the beginning and 255.9MB in the end (delta: 134.2MB). Free memory was 85.8MB in the beginning and 141.8MB in the end (delta: -56.0MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2022-12-14 19:24:46,545 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 121.6MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:24:46,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.31ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 75.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 19:24:46,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.90ms. Allocated memory is still 121.6MB. Free memory was 75.4MB in the beginning and 73.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:24:46,545 INFO L158 Benchmark]: Boogie Preprocessor took 16.33ms. Allocated memory is still 121.6MB. Free memory was 73.7MB in the beginning and 72.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:24:46,546 INFO L158 Benchmark]: RCFGBuilder took 256.00ms. Allocated memory is still 121.6MB. Free memory was 72.6MB in the beginning and 60.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 19:24:46,546 INFO L158 Benchmark]: CodeCheck took 26781.52ms. Allocated memory was 121.6MB in the beginning and 255.9MB in the end (delta: 134.2MB). Free memory was 60.4MB in the beginning and 144.9MB in the end (delta: -84.5MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2022-12-14 19:24:46,546 INFO L158 Benchmark]: Witness Printer took 33.84ms. Allocated memory is still 255.9MB. Free memory was 144.9MB in the beginning and 141.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:24:46,548 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 30 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 26.6s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6864 SdHoareTripleChecker+Valid, 23.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5794 mSDsluCounter, 518 SdHoareTripleChecker+Invalid, 20.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 74 mSDsCounter, 4353 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24541 IncrementalHoareTripleChecker+Invalid, 28894 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4353 mSolverCounterUnsat, 444 mSDtfsCounter, 24541 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8812 GetRequests, 7801 SyntacticMatches, 537 SemanticMatches, 474 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131445 ImplicationChecksByTransitivity, 23.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 882 NumberOfCodeBlocks, 882 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 843 ConstructedInterpolants, 0 QuantifiedInterpolants, 4898 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 8 PerfectInterpolantSequences, 366/1512 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((63 <= a && 18 <= b) && a <= 63) && b <= 18) || ((a <= 9 + b * 3 && 9 + b * 2 <= a) && b <= 0)) || ((a + b * 3 <= 63 && a + 9 <= b) && b + 9 <= a * 3)) || ((b + 9 <= a * 2 && a + 9 <= b * 2) && a <= 9)) || ((b + 9 <= a && a + b * 2 <= 63) && a + 9 <= b * 2)) || ((b + a <= 63 && 9 + b * 2 <= a) && a + 9 <= b * 3) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 121.6MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 185.31ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 75.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.90ms. Allocated memory is still 121.6MB. Free memory was 75.4MB in the beginning and 73.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.33ms. Allocated memory is still 121.6MB. Free memory was 73.7MB in the beginning and 72.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 256.00ms. Allocated memory is still 121.6MB. Free memory was 72.6MB in the beginning and 60.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 26781.52ms. Allocated memory was 121.6MB in the beginning and 255.9MB in the end (delta: 134.2MB). Free memory was 60.4MB in the beginning and 144.9MB in the end (delta: -84.5MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. * Witness Printer took 33.84ms. Allocated memory is still 255.9MB. Free memory was 144.9MB in the beginning and 141.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 19:24:46,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01dd156-9ba4-4d02-8112-44ccae35ece8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE