./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:22:52,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:22:52,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:22:52,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:22:52,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:22:52,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:22:52,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:22:52,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:22:52,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:22:52,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:22:52,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:22:52,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:22:52,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:22:52,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:22:52,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:22:52,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:22:52,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:22:52,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:22:52,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:22:52,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:22:52,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:22:52,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:22:52,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:22:52,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:22:52,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:22:52,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:22:52,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:22:52,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:22:52,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:22:52,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:22:52,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:22:52,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:22:52,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:22:52,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:22:52,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:22:52,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:22:52,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:22:52,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:22:52,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:22:52,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:22:52,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:22:52,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 07:22:52,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:22:52,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:22:52,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:22:52,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:22:52,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:22:52,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:22:52,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:22:52,169 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:22:52,169 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:22:52,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:22:52,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:22:52,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:22:52,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:22:52,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:22:52,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:22:52,171 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 07:22:52,171 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:22:52,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:22:52,171 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:22:52,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:22:52,172 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:22:52,172 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:22:52,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:22:52,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:22:52,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:22:52,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:22:52,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:22:52,173 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:22:52,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:22:52,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:22:52,174 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_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef [2021-11-25 07:22:52,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:22:52,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:22:52,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:22:52,472 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:22:52,473 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:22:52,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/bitvector/gcd_4.c [2021-11-25 07:22:52,562 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL/data/a76c6f708/47708f654582497cb642e001cad9834c/FLAG359fc3cf6 [2021-11-25 07:22:53,080 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:22:53,080 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/sv-benchmarks/c/bitvector/gcd_4.c [2021-11-25 07:22:53,086 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL/data/a76c6f708/47708f654582497cb642e001cad9834c/FLAG359fc3cf6 [2021-11-25 07:22:53,560 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL/data/a76c6f708/47708f654582497cb642e001cad9834c [2021-11-25 07:22:53,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:22:53,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:22:53,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:22:53,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:22:53,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:22:53,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:22:53" (1/1) ... [2021-11-25 07:22:53,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45530bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:53, skipping insertion in model container [2021-11-25 07:22:53,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:22:53" (1/1) ... [2021-11-25 07:22:53,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:22:53,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:22:53,766 WARN L230 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_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/sv-benchmarks/c/bitvector/gcd_4.c[662,675] [2021-11-25 07:22:53,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:22:53,788 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:22:53,800 WARN L230 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_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/sv-benchmarks/c/bitvector/gcd_4.c[662,675] [2021-11-25 07:22:53,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:22:53,819 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:22:53,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:53 WrapperNode [2021-11-25 07:22:53,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:22:53,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:22:53,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:22:53,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:22:53,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:53" (1/1) ... [2021-11-25 07:22:53,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:53" (1/1) ... [2021-11-25 07:22:53,857 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2021-11-25 07:22:53,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:22:53,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:22:53,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:22:53,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:22:53,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:53" (1/1) ... [2021-11-25 07:22:53,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:53" (1/1) ... [2021-11-25 07:22:53,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:53" (1/1) ... [2021-11-25 07:22:53,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:53" (1/1) ... [2021-11-25 07:22:53,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:53" (1/1) ... [2021-11-25 07:22:53,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:53" (1/1) ... [2021-11-25 07:22:53,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:53" (1/1) ... [2021-11-25 07:22:53,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:22:53,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:22:53,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:22:53,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:22:53,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:22:53" (1/1) ... [2021-11-25 07:22:53,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:22:53,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:22:53,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:22:53,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:22:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:22:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:22:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:22:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:22:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 07:22:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 07:22:54,037 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:22:54,040 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:22:54,257 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:22:54,278 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:22:54,278 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 07:22:54,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:22:54 BoogieIcfgContainer [2021-11-25 07:22:54,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:22:54,282 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:22:54,282 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:22:54,292 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:22:54,292 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:22:54" (1/1) ... [2021-11-25 07:22:54,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:22:54,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:54,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2021-11-25 07:22:54,361 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2021-11-25 07:22:54,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 07:22:54,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:54,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:54,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:54,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:54,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2021-11-25 07:22:54,549 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-11-25 07:22:54,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:22:54,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:54,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:54,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2021-11-25 07:22:54,701 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-11-25 07:22:54,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 07:22:54,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:54,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:54,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:54,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-11-25 07:22:54,995 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-25 07:22:54,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 07:22:54,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:54,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:55,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:55,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2021-11-25 07:22:55,468 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2021-11-25 07:22:55,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:22:55,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:55,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:55,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:55,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:55,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-11-25 07:22:55,620 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-25 07:22:55,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:22:55,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:55,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:55,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:55,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:55,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2021-11-25 07:22:55,728 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2021-11-25 07:22:55,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:22:55,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:55,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:55,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:56,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:56,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2021-11-25 07:22:56,204 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2021-11-25 07:22:56,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:22:56,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:56,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:56,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:56,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:56,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2021-11-25 07:22:56,854 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2021-11-25 07:22:56,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:22:56,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:56,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:56,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:57,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:57,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2021-11-25 07:22:57,345 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2021-11-25 07:22:57,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:22:57,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:57,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:57,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:57,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:57,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2021-11-25 07:22:57,679 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2021-11-25 07:22:57,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:22:57,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:57,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:57,802 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:58,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:58,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 52 states and 91 transitions. [2021-11-25 07:22:58,710 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2021-11-25 07:22:58,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:22:58,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:58,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:58,886 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:59,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2021-11-25 07:22:59,309 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2021-11-25 07:22:59,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:22:59,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:59,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:59,468 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:00,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:00,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 109 transitions. [2021-11-25 07:23:00,285 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2021-11-25 07:23:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:23:00,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:00,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:00,429 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:01,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:01,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 64 states and 120 transitions. [2021-11-25 07:23:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2021-11-25 07:23:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:23:01,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:01,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:01,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 66 states and 125 transitions. [2021-11-25 07:23:01,447 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2021-11-25 07:23:01,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:23:01,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:01,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:01,692 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:02,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:02,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 68 states and 129 transitions. [2021-11-25 07:23:02,045 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2021-11-25 07:23:02,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:23:02,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:02,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:02,252 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:02,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:02,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 75 states and 146 transitions. [2021-11-25 07:23:02,860 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 146 transitions. [2021-11-25 07:23:02,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:23:02,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:02,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:03,033 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:04,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:04,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 81 states and 158 transitions. [2021-11-25 07:23:04,089 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 158 transitions. [2021-11-25 07:23:04,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:23:04,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:04,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:04,114 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:04,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:04,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 83 states and 164 transitions. [2021-11-25 07:23:04,387 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 164 transitions. [2021-11-25 07:23:04,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:23:04,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:04,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:04,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:04,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 85 states and 169 transitions. [2021-11-25 07:23:04,643 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 169 transitions. [2021-11-25 07:23:04,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:23:04,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:04,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:04,672 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:23:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:05,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 89 states and 175 transitions. [2021-11-25 07:23:05,600 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 175 transitions. [2021-11-25 07:23:05,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:23:05,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:05,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:05,627 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:06,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:06,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 92 states and 180 transitions. [2021-11-25 07:23:06,057 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 180 transitions. [2021-11-25 07:23:06,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:23:06,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:06,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:06,452 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:08,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 104 states and 206 transitions. [2021-11-25 07:23:08,829 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 206 transitions. [2021-11-25 07:23:08,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:23:08,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:08,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:08,857 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:09,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 107 states and 211 transitions. [2021-11-25 07:23:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 211 transitions. [2021-11-25 07:23:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:23:09,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:09,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:09,764 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:11,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:11,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 111 states and 220 transitions. [2021-11-25 07:23:11,016 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 220 transitions. [2021-11-25 07:23:11,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:23:11,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:11,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:11,043 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 31 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 07:23:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:11,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 115 states and 227 transitions. [2021-11-25 07:23:11,605 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 227 transitions. [2021-11-25 07:23:11,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:23:11,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:11,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:12,071 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:13,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:13,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 117 states and 233 transitions. [2021-11-25 07:23:13,044 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 233 transitions. [2021-11-25 07:23:13,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:23:13,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:13,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:14,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:14,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 121 states and 241 transitions. [2021-11-25 07:23:14,029 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 241 transitions. [2021-11-25 07:23:14,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:23:14,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:14,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:14,056 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:14,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:14,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 123 states and 244 transitions. [2021-11-25 07:23:14,390 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 244 transitions. [2021-11-25 07:23:14,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:23:14,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:14,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 24 proven. 42 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:23:15,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:15,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 127 states and 255 transitions. [2021-11-25 07:23:15,964 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 255 transitions. [2021-11-25 07:23:15,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:23:15,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:15,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:16,237 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 07:23:17,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:17,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 133 states and 265 transitions. [2021-11-25 07:23:17,591 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 265 transitions. [2021-11-25 07:23:17,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:23:17,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:17,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:17,623 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 07:23:18,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:18,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 135 states and 268 transitions. [2021-11-25 07:23:18,047 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 268 transitions. [2021-11-25 07:23:18,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:23:18,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:18,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:18,085 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:23:18,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 137 states and 271 transitions. [2021-11-25 07:23:18,482 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 271 transitions. [2021-11-25 07:23:18,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 07:23:18,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:18,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 22 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:20,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 141 states and 276 transitions. [2021-11-25 07:23:20,184 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 276 transitions. [2021-11-25 07:23:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 07:23:20,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:20,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:20,331 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-25 07:23:20,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:20,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 143 states and 281 transitions. [2021-11-25 07:23:20,752 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 281 transitions. [2021-11-25 07:23:20,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 07:23:20,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:20,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:21,494 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 74 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:23:23,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:23,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2021-11-25 07:23:23,898 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2021-11-25 07:23:23,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 07:23:23,898 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2021-11-25 07:23:23,906 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2021-11-25 07:23:24,017 INFO L560 CodeCheckObserver]: Invariant with dag size 43 [2021-11-25 07:23:24,032 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:23:24,033 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:23:24,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 07:23:24 ImpRootNode [2021-11-25 07:23:24,033 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 07:23:24,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 07:23:24,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 07:23:24,034 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 07:23:24,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:22:54" (3/4) ... [2021-11-25 07:23:24,038 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 07:23:24,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-25 07:23:24,049 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-11-25 07:23:24,049 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-25 07:23:24,049 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 07:23:24,050 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 07:23:24,116 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 07:23:24,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 07:23:24,117 INFO L158 Benchmark]: Toolchain (without parser) took 30551.32ms. Allocated memory was 111.1MB in the beginning and 297.8MB in the end (delta: 186.6MB). Free memory was 82.6MB in the beginning and 201.8MB in the end (delta: -119.2MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2021-11-25 07:23:24,118 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 111.1MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:23:24,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.33ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 82.3MB in the beginning and 115.4MB in the end (delta: -33.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:23:24,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.49ms. Allocated memory is still 140.5MB. Free memory was 115.4MB in the beginning and 113.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:23:24,124 INFO L158 Benchmark]: Boogie Preprocessor took 22.19ms. Allocated memory is still 140.5MB. Free memory was 113.8MB in the beginning and 112.9MB in the end (delta: 831.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:23:24,125 INFO L158 Benchmark]: RCFGBuilder took 399.65ms. Allocated memory is still 140.5MB. Free memory was 112.9MB in the beginning and 102.0MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 07:23:24,126 INFO L158 Benchmark]: CodeCheck took 29751.87ms. Allocated memory was 140.5MB in the beginning and 297.8MB in the end (delta: 157.3MB). Free memory was 102.0MB in the beginning and 203.9MB in the end (delta: -101.9MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2021-11-25 07:23:24,126 INFO L158 Benchmark]: Witness Printer took 82.54ms. Allocated memory is still 297.8MB. Free memory was 203.9MB in the beginning and 201.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:23:24,129 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: 29.6s, OverallIterations: 37, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5941 SdHoareTripleChecker+Valid, 29.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5577 mSDsluCounter, 142 SdHoareTripleChecker+Invalid, 23.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 3365 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23118 IncrementalHoareTripleChecker+Invalid, 26483 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3365 mSolverCounterUnsat, 72 mSDtfsCounter, 23118 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7437 GetRequests, 6507 SyntacticMatches, 466 SemanticMatches, 464 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125788 ImplicationChecksByTransitivity, 26.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 711 NumberOfCodeBlocks, 711 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 675 ConstructedInterpolants, 0 QuantifiedInterpolants, 3977 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 7 PerfectInterpolantSequences, 232/979 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) || ((b + 9 <= 2 * a && a + 9 <= 2 * b) && a <= 9)) || ((b + a <= 63 && 2 * b + 9 <= a) && a + 9 <= 3 * b)) || ((b + 9 <= 3 * a && a + 9 <= b) && 3 * b + a <= 63)) || ((a <= 3 * b + 9 && b <= 0) && 2 * b + 9 <= a)) || ((a + 2 * b <= 63 && b + 9 <= a) && a + 9 <= 2 * b) - 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 0.92ms. Allocated memory is still 111.1MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.33ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 82.3MB in the beginning and 115.4MB in the end (delta: -33.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.49ms. Allocated memory is still 140.5MB. Free memory was 115.4MB in the beginning and 113.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.19ms. Allocated memory is still 140.5MB. Free memory was 113.8MB in the beginning and 112.9MB in the end (delta: 831.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 399.65ms. Allocated memory is still 140.5MB. Free memory was 112.9MB in the beginning and 102.0MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 29751.87ms. Allocated memory was 140.5MB in the beginning and 297.8MB in the end (delta: 157.3MB). Free memory was 102.0MB in the beginning and 203.9MB in the end (delta: -101.9MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * Witness Printer took 82.54ms. Allocated memory is still 297.8MB. Free memory was 203.9MB in the beginning and 201.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-25 07:23:24,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9998e2b7-b3f0-4a0a-8b0e-3cfd5b54252a/bin/ukojak-d1pc8ZmBRL/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