./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg --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-b5237d8 [2022-11-21 23:20:50,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:20:50,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:20:50,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:20:50,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:20:50,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:20:50,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:20:50,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:20:50,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:20:50,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:20:50,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:20:50,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:20:50,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:20:50,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:20:50,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:20:50,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:20:50,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:20:50,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:20:50,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:20:50,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:20:50,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:20:50,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:20:50,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:20:50,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:20:50,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:20:50,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:20:50,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:20:50,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:20:50,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:20:50,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:20:50,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:20:50,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:20:50,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:20:50,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:20:50,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:20:50,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:20:50,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:20:50,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:20:50,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:20:50,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:20:50,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:20:50,197 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:20:50,247 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:20:50,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:20:50,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:20:50,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:20:50,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:20:50,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:20:50,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:20:50,250 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:20:50,250 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:20:50,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:20:50,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:20:50,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:20:50,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:20:50,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:20:50,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:20:50,257 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:20:50,257 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:20:50,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:20:50,258 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:20:50,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:20:50,258 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:20:50,258 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:20:50,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:20:50,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:20:50,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:20:50,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:20:50,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:20:50,260 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:20:50,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:20:50,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:20:50,261 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_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef [2022-11-21 23:20:50,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:20:50,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:20:50,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:20:50,584 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:20:50,584 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:20:50,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/bitvector/gcd_4.c [2022-11-21 23:20:53,674 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:20:53,953 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:20:53,954 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/sv-benchmarks/c/bitvector/gcd_4.c [2022-11-21 23:20:53,961 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg/data/ab0f4d27e/6a33cf7762a54d9e8fc096858560eb9c/FLAGef4315264 [2022-11-21 23:20:53,977 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg/data/ab0f4d27e/6a33cf7762a54d9e8fc096858560eb9c [2022-11-21 23:20:53,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:20:53,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:20:53,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:20:53,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:20:53,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:20:53,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:20:53" (1/1) ... [2022-11-21 23:20:53,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ecd287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:53, skipping insertion in model container [2022-11-21 23:20:53,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:20:53" (1/1) ... [2022-11-21 23:20:53,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:20:54,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:20:54,203 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_2483a494-080f-4584-81a9-34771eb0cca5/sv-benchmarks/c/bitvector/gcd_4.c[662,675] [2022-11-21 23:20:54,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:20:54,230 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:20:54,245 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_2483a494-080f-4584-81a9-34771eb0cca5/sv-benchmarks/c/bitvector/gcd_4.c[662,675] [2022-11-21 23:20:54,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:20:54,275 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:20:54,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:54 WrapperNode [2022-11-21 23:20:54,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:20:54,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:20:54,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:20:54,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:20:54,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:54" (1/1) ... [2022-11-21 23:20:54,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:54" (1/1) ... [2022-11-21 23:20:54,326 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2022-11-21 23:20:54,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:20:54,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:20:54,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:20:54,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:20:54,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:54" (1/1) ... [2022-11-21 23:20:54,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:54" (1/1) ... [2022-11-21 23:20:54,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:54" (1/1) ... [2022-11-21 23:20:54,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:54" (1/1) ... [2022-11-21 23:20:54,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:54" (1/1) ... [2022-11-21 23:20:54,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:54" (1/1) ... [2022-11-21 23:20:54,370 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:54" (1/1) ... [2022-11-21 23:20:54,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:54" (1/1) ... [2022-11-21 23:20:54,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:20:54,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:20:54,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:20:54,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:20:54,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:54" (1/1) ... [2022-11-21 23:20:54,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:20:54,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:20:54,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:20:54,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:20:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:20:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:20:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:20:54,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:20:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-21 23:20:54,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-21 23:20:54,556 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:20:54,558 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:20:54,752 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:20:54,778 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:20:54,778 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 23:20:54,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:20:54 BoogieIcfgContainer [2022-11-21 23:20:54,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:20:54,782 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:20:54,783 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:20:54,794 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:20:54,795 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:20:54" (1/1) ... [2022-11-21 23:20:54,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:20:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:54,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2022-11-21 23:20:54,873 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-21 23:20:54,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 23:20:54,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:54,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:55,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:55,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-21 23:20:55,113 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-21 23:20:55,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:20:55,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:55,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:55,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:55,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:55,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-11-21 23:20:55,332 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-11-21 23:20:55,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:20:55,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:55,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:55,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:55,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:55,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2022-11-21 23:20:55,832 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2022-11-21 23:20:55,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:20:55,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:55,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:55,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:56,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:56,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2022-11-21 23:20:56,349 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2022-11-21 23:20:56,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:20:56,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:56,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:56,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:56,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:56,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-11-21 23:20:56,498 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-11-21 23:20:56,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:20:56,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:56,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:56,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:56,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2022-11-21 23:20:56,611 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2022-11-21 23:20:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:20:56,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:56,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:56,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:57,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:57,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2022-11-21 23:20:57,185 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2022-11-21 23:20:57,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:20:57,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:57,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:57,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:57,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2022-11-21 23:20:57,991 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2022-11-21 23:20:57,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:20:57,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:57,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:58,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:58,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:58,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2022-11-21 23:20:58,393 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2022-11-21 23:20:58,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:20:58,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:58,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:58,560 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:59,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:59,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2022-11-21 23:20:59,018 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2022-11-21 23:20:59,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:20:59,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:59,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:59,197 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:00,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:00,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 85 transitions. [2022-11-21 23:21:00,381 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2022-11-21 23:21:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:21:00,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:00,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:00,517 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 90 transitions. [2022-11-21 23:21:01,100 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2022-11-21 23:21:01,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:21:01,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:01,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:01,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 54 states and 96 transitions. [2022-11-21 23:21:01,433 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 96 transitions. [2022-11-21 23:21:01,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:21:01,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:01,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:01,466 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:01,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:01,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 101 transitions. [2022-11-21 23:21:01,755 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2022-11-21 23:21:01,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:21:01,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:01,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:01,997 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:02,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 58 states and 105 transitions. [2022-11-21 23:21:02,492 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 105 transitions. [2022-11-21 23:21:02,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:21:02,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:02,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:04,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:04,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 64 states and 117 transitions. [2022-11-21 23:21:04,045 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2022-11-21 23:21:04,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:21:04,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:04,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:04,322 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:05,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:05,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 69 states and 129 transitions. [2022-11-21 23:21:05,018 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 129 transitions. [2022-11-21 23:21:05,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:21:05,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:05,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:05,060 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:05,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:05,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 73 states and 137 transitions. [2022-11-21 23:21:05,598 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2022-11-21 23:21:05,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:21:05,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:05,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:05,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:05,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 75 states and 143 transitions. [2022-11-21 23:21:05,978 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 143 transitions. [2022-11-21 23:21:05,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:21:05,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:05,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:06,023 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:06,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:06,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 80 states and 151 transitions. [2022-11-21 23:21:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 151 transitions. [2022-11-21 23:21:06,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:21:06,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:06,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:09,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 92 states and 181 transitions. [2022-11-21 23:21:09,965 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 181 transitions. [2022-11-21 23:21:09,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:21:09,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:09,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:10,221 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 23:21:11,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 97 states and 193 transitions. [2022-11-21 23:21:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 193 transitions. [2022-11-21 23:21:11,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:21:11,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:11,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:11,357 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:21:11,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:11,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 99 states and 196 transitions. [2022-11-21 23:21:11,981 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 196 transitions. [2022-11-21 23:21:11,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:21:11,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:11,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:12,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:12,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 101 states and 198 transitions. [2022-11-21 23:21:12,737 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 198 transitions. [2022-11-21 23:21:12,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:21:12,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:12,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 31 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:21:13,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 105 states and 206 transitions. [2022-11-21 23:21:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 206 transitions. [2022-11-21 23:21:13,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:21:13,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:13,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:14,112 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:15,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:15,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 109 states and 222 transitions. [2022-11-21 23:21:15,710 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 222 transitions. [2022-11-21 23:21:15,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:21:15,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:15,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:16,332 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:18,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:18,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 118 states and 244 transitions. [2022-11-21 23:21:18,596 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 244 transitions. [2022-11-21 23:21:18,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:21:18,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:18,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:18,657 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:19,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:19,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 121 states and 248 transitions. [2022-11-21 23:21:19,030 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 248 transitions. [2022-11-21 23:21:19,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:21:19,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:19,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:19,098 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:19,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:19,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 124 states and 253 transitions. [2022-11-21 23:21:19,468 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 253 transitions. [2022-11-21 23:21:19,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:21:19,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:19,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:19,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:19,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 127 states and 257 transitions. [2022-11-21 23:21:19,924 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 257 transitions. [2022-11-21 23:21:19,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:21:19,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:19,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:19,994 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:20,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:20,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 130 states and 261 transitions. [2022-11-21 23:21:20,417 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 261 transitions. [2022-11-21 23:21:20,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:21:20,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:20,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:20,599 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 23:21:22,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 136 states and 271 transitions. [2022-11-21 23:21:22,139 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 271 transitions. [2022-11-21 23:21:22,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:21:22,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:22,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:22,715 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 24 proven. 42 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:21:24,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:24,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 140 states and 280 transitions. [2022-11-21 23:21:24,043 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 280 transitions. [2022-11-21 23:21:24,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:21:24,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:24,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:24,145 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:21:24,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:24,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 142 states and 283 transitions. [2022-11-21 23:21:24,638 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 283 transitions. [2022-11-21 23:21:24,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:21:24,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:24,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 23:21:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 145 states and 287 transitions. [2022-11-21 23:21:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 287 transitions. [2022-11-21 23:21:25,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 23:21:25,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:25,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:25,621 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-21 23:21:26,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:26,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 147 states and 292 transitions. [2022-11-21 23:21:26,278 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 292 transitions. [2022-11-21 23:21:26,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 23:21:26,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:26,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:26,350 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-21 23:21:26,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 149 states and 295 transitions. [2022-11-21 23:21:26,900 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 295 transitions. [2022-11-21 23:21:26,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 23:21:26,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:26,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 34 proven. 38 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:21:27,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:27,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 151 states and 296 transitions. [2022-11-21 23:21:27,308 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 296 transitions. [2022-11-21 23:21:27,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 23:21:27,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:27,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 9 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:21:30,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:30,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2022-11-21 23:21:30,544 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2022-11-21 23:21:30,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:21:30,544 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 40 iterations. [2022-11-21 23:21:30,551 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 23:21:30,696 INFO L560 CodeCheckObserver]: Invariant with dag size 43 [2022-11-21 23:21:30,715 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:21:30,716 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:21:30,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:21:30 ImpRootNode [2022-11-21 23:21:30,717 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:21:30,718 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:21:30,718 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:21:30,718 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:21:30,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:20:54" (3/4) ... [2022-11-21 23:21:30,722 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:21:30,729 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-21 23:21:30,733 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-21 23:21:30,733 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-21 23:21:30,734 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:21:30,734 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:21:30,734 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:21:30,776 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:21:30,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:21:30,777 INFO L158 Benchmark]: Toolchain (without parser) took 36796.04ms. Allocated memory was 211.8MB in the beginning and 446.7MB in the end (delta: 234.9MB). Free memory was 179.6MB in the beginning and 160.6MB in the end (delta: 19.0MB). Peak memory consumption was 257.0MB. Max. memory is 16.1GB. [2022-11-21 23:21:30,777 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:21:30,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.28ms. Allocated memory is still 211.8MB. Free memory was 179.6MB in the beginning and 169.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:21:30,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.96ms. Allocated memory is still 211.8MB. Free memory was 169.1MB in the beginning and 167.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:21:30,779 INFO L158 Benchmark]: Boogie Preprocessor took 51.94ms. Allocated memory is still 211.8MB. Free memory was 167.1MB in the beginning and 166.3MB in the end (delta: 742.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:21:30,780 INFO L158 Benchmark]: RCFGBuilder took 401.54ms. Allocated memory is still 211.8MB. Free memory was 166.3MB in the beginning and 153.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 23:21:30,780 INFO L158 Benchmark]: CodeCheck took 35934.53ms. Allocated memory was 211.8MB in the beginning and 446.7MB in the end (delta: 234.9MB). Free memory was 153.7MB in the beginning and 163.7MB in the end (delta: -10.0MB). Peak memory consumption was 225.5MB. Max. memory is 16.1GB. [2022-11-21 23:21:30,781 INFO L158 Benchmark]: Witness Printer took 58.70ms. Allocated memory is still 446.7MB. Free memory was 163.7MB in the beginning and 160.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:21:30,783 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: 35.7s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6934 SdHoareTripleChecker+Valid, 41.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6382 mSDsluCounter, 154 SdHoareTripleChecker+Invalid, 34.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 4145 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26237 IncrementalHoareTripleChecker+Invalid, 30382 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4145 mSolverCounterUnsat, 78 mSDtfsCounter, 26237 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8609 GetRequests, 7717 SyntacticMatches, 458 SemanticMatches, 434 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109335 ImplicationChecksByTransitivity, 29.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 812 NumberOfCodeBlocks, 812 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 773 ConstructedInterpolants, 0 QuantifiedInterpolants, 4591 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 7 PerfectInterpolantSequences, 261/1165 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 && b + 9 <= 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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.28ms. Allocated memory is still 211.8MB. Free memory was 179.6MB in the beginning and 169.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.96ms. Allocated memory is still 211.8MB. Free memory was 169.1MB in the beginning and 167.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.94ms. Allocated memory is still 211.8MB. Free memory was 167.1MB in the beginning and 166.3MB in the end (delta: 742.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 401.54ms. Allocated memory is still 211.8MB. Free memory was 166.3MB in the beginning and 153.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 35934.53ms. Allocated memory was 211.8MB in the beginning and 446.7MB in the end (delta: 234.9MB). Free memory was 153.7MB in the beginning and 163.7MB in the end (delta: -10.0MB). Peak memory consumption was 225.5MB. Max. memory is 16.1GB. * Witness Printer took 58.70ms. Allocated memory is still 446.7MB. Free memory was 163.7MB in the beginning and 160.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:21:30,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2483a494-080f-4584-81a9-34771eb0cca5/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE