./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0e00bd958aa9fbd5730471fb19c0f431fb9410b6f9738fcfd6ac5e9594f9dc7f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 02:50:40,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:50:40,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:50:40,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:50:40,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:50:40,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:50:40,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:50:40,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:50:40,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:50:40,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:50:40,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:50:40,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:50:40,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:50:40,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:50:40,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:50:40,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:50:40,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:50:40,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:50:40,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:50:40,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:50:40,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:50:40,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:50:40,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:50:40,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:50:40,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:50:40,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:50:40,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:50:40,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:50:40,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:50:40,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:50:40,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:50:40,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:50:40,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:50:40,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:50:40,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:50:40,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:50:40,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:50:40,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:50:40,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:50:40,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:50:40,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:50:40,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 02:50:40,645 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:50:40,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:50:40,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:50:40,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:50:40,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:50:40,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:50:40,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:50:40,646 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:50:40,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:50:40,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:50:40,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:50:40,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:50:40,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:50:40,647 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:50:40,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:50:40,648 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:50:40,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:50:40,648 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:50:40,648 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:50:40,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:50:40,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:50:40,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:50:40,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:50:40,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:50:40,649 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:50:40,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:50:40,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:50:40,650 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_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e00bd958aa9fbd5730471fb19c0f431fb9410b6f9738fcfd6ac5e9594f9dc7f [2022-12-15 02:50:40,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:50:40,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:50:40,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:50:40,841 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:50:40,841 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:50:40,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2022-12-15 02:50:43,361 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:50:43,554 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:50:43,555 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b15ae15-6283-45eb-8f52-251cb4b13830/sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2022-12-15 02:50:43,565 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4/data/278c5fba6/46d49599e83e4e55899731f0cdf489b9/FLAGe0d5c5f6b [2022-12-15 02:50:43,925 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4/data/278c5fba6/46d49599e83e4e55899731f0cdf489b9 [2022-12-15 02:50:43,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:50:43,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:50:43,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:50:43,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:50:43,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:50:43,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:50:43" (1/1) ... [2022-12-15 02:50:43,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62aa930b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:43, skipping insertion in model container [2022-12-15 02:50:43,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:50:43" (1/1) ... [2022-12-15 02:50:43,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:50:43,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:50:44,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:50:44,179 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:50:44,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:50:44,237 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:50:44,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:44 WrapperNode [2022-12-15 02:50:44,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:50:44,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:50:44,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:50:44,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:50:44,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:44" (1/1) ... [2022-12-15 02:50:44,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:44" (1/1) ... [2022-12-15 02:50:44,266 INFO L138 Inliner]: procedures = 111, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 134 [2022-12-15 02:50:44,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:50:44,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:50:44,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:50:44,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:50:44,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:44" (1/1) ... [2022-12-15 02:50:44,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:44" (1/1) ... [2022-12-15 02:50:44,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:44" (1/1) ... [2022-12-15 02:50:44,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:44" (1/1) ... [2022-12-15 02:50:44,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:44" (1/1) ... [2022-12-15 02:50:44,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:44" (1/1) ... [2022-12-15 02:50:44,281 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:44" (1/1) ... [2022-12-15 02:50:44,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:44" (1/1) ... [2022-12-15 02:50:44,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:50:44,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:50:44,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:50:44,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:50:44,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:44" (1/1) ... [2022-12-15 02:50:44,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:50:44,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:50:44,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:50:44,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:50:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 02:50:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:50:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:50:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:50:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:50:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:50:44,420 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:50:44,422 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:50:44,567 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:50:44,598 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:50:44,598 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 02:50:44,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:50:44 BoogieIcfgContainer [2022-12-15 02:50:44,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:50:44,601 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:50:44,601 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:50:44,608 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:50:44,608 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:50:44" (1/1) ... [2022-12-15 02:50:44,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:50:44,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:44,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2022-12-15 02:50:44,653 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-12-15 02:50:44,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:50:44,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:44,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:45,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2022-12-15 02:50:45,452 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-12-15 02:50:45,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 02:50:45,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:45,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:45,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:45,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2022-12-15 02:50:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-12-15 02:50:45,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:50:45,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:45,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:45,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:45,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:45,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2022-12-15 02:50:45,882 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-12-15 02:50:45,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:50:45,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:45,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:46,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2022-12-15 02:50:46,064 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-12-15 02:50:46,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:50:46,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:46,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:46,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2022-12-15 02:50:46,978 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2022-12-15 02:50:46,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 02:50:46,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:46,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:47,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:47,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2022-12-15 02:50:47,368 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2022-12-15 02:50:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 02:50:47,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:47,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:47,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2022-12-15 02:50:47,543 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-12-15 02:50:47,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 02:50:47,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:47,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:47,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:49,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:49,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2022-12-15 02:50:49,132 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2022-12-15 02:50:49,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 02:50:49,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:49,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:49,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:50,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:50,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2022-12-15 02:50:50,451 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2022-12-15 02:50:50,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 02:50:50,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:50,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:50,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:51,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:51,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2022-12-15 02:50:51,904 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-12-15 02:50:51,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 02:50:51,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:51,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:52,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:52,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2022-12-15 02:50:52,339 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2022-12-15 02:50:52,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:50:52,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:52,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:55,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:55,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2022-12-15 02:50:55,453 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2022-12-15 02:50:55,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:50:55,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:55,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:55,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:56,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:56,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 74 states and 107 transitions. [2022-12-15 02:50:56,189 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 107 transitions. [2022-12-15 02:50:56,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:50:56,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:56,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:56,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:56,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:56,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 77 states and 110 transitions. [2022-12-15 02:50:56,910 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2022-12-15 02:50:56,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:50:56,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:56,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:57,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:57,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:57,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 79 states and 114 transitions. [2022-12-15 02:50:57,553 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2022-12-15 02:50:57,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:50:57,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:57,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:57,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:58,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 81 states and 115 transitions. [2022-12-15 02:50:58,141 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2022-12-15 02:50:58,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 02:50:58,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:58,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:58,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:58,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:58,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 83 states and 119 transitions. [2022-12-15 02:50:58,685 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions. [2022-12-15 02:50:58,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 02:50:58,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:58,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:58,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:50:59,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:59,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 82 states and 118 transitions. [2022-12-15 02:50:59,368 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions. [2022-12-15 02:50:59,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 02:50:59,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:59,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:00,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:51:05,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:05,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 97 states and 151 transitions. [2022-12-15 02:51:05,115 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 151 transitions. [2022-12-15 02:51:05,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 02:51:05,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:05,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:05,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:51:07,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:07,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 103 states and 167 transitions. [2022-12-15 02:51:07,537 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 167 transitions. [2022-12-15 02:51:07,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 02:51:07,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:07,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:51:13,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:13,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 117 states and 192 transitions. [2022-12-15 02:51:13,978 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 192 transitions. [2022-12-15 02:51:13,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 02:51:13,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:13,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:14,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:51:15,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:15,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 120 states and 198 transitions. [2022-12-15 02:51:15,698 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 198 transitions. [2022-12-15 02:51:15,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 02:51:15,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:15,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:51:16,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:16,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 122 states and 200 transitions. [2022-12-15 02:51:16,595 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 200 transitions. [2022-12-15 02:51:16,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 02:51:16,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:16,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:17,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:51:21,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:21,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 126 states and 206 transitions. [2022-12-15 02:51:21,582 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 206 transitions. [2022-12-15 02:51:21,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 02:51:21,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:21,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:23,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:51:25,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 127 states and 209 transitions. [2022-12-15 02:51:25,261 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 209 transitions. [2022-12-15 02:51:25,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 02:51:25,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:25,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:51:29,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:29,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 134 states and 222 transitions. [2022-12-15 02:51:29,988 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 222 transitions. [2022-12-15 02:51:29,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 02:51:29,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:29,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:30,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:51:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:32,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 138 states and 227 transitions. [2022-12-15 02:51:32,580 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 227 transitions. [2022-12-15 02:51:32,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 02:51:32,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:32,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:33,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:51:35,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:35,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 137 states and 225 transitions. [2022-12-15 02:51:35,013 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 225 transitions. [2022-12-15 02:51:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 02:51:35,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:35,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:35,468 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:51:37,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:37,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 139 states and 229 transitions. [2022-12-15 02:51:37,064 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 229 transitions. [2022-12-15 02:51:37,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 02:51:37,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:37,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:37,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:51:39,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:39,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 141 states and 231 transitions. [2022-12-15 02:51:39,196 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 231 transitions. [2022-12-15 02:51:39,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 02:51:39,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:39,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:39,266 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:51:39,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:39,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2022-12-15 02:51:39,573 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2022-12-15 02:51:39,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 02:51:39,573 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2022-12-15 02:51:39,579 INFO L754 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2022-12-15 02:51:39,888 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:51:39,892 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2022-12-15 02:51:39,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:51:39 ImpRootNode [2022-12-15 02:51:39,897 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:51:39,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:51:39,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:51:39,897 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:51:39,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:50:44" (3/4) ... [2022-12-15 02:51:39,899 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 02:51:39,906 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-15 02:51:39,906 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-15 02:51:39,906 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 02:51:39,906 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 02:51:39,939 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:51:39,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:51:39,940 INFO L158 Benchmark]: Toolchain (without parser) took 56009.92ms. Allocated memory was 121.6MB in the beginning and 373.3MB in the end (delta: 251.7MB). Free memory was 68.4MB in the beginning and 126.2MB in the end (delta: -57.9MB). Peak memory consumption was 195.6MB. Max. memory is 16.1GB. [2022-12-15 02:51:39,940 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:51:39,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.48ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 68.1MB in the beginning and 145.4MB in the end (delta: -77.3MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-12-15 02:51:39,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.51ms. Allocated memory is still 178.3MB. Free memory was 145.4MB in the beginning and 143.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:51:39,941 INFO L158 Benchmark]: Boogie Preprocessor took 16.69ms. Allocated memory is still 178.3MB. Free memory was 143.3MB in the beginning and 141.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:51:39,941 INFO L158 Benchmark]: RCFGBuilder took 316.83ms. Allocated memory is still 178.3MB. Free memory was 141.2MB in the beginning and 123.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 02:51:39,941 INFO L158 Benchmark]: CodeCheck took 55295.58ms. Allocated memory was 178.3MB in the beginning and 373.3MB in the end (delta: 195.0MB). Free memory was 123.4MB in the beginning and 130.4MB in the end (delta: -7.0MB). Peak memory consumption was 188.0MB. Max. memory is 16.1GB. [2022-12-15 02:51:39,942 INFO L158 Benchmark]: Witness Printer took 42.52ms. Allocated memory is still 373.3MB. Free memory was 130.4MB in the beginning and 126.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 02:51:39,943 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 1 procedures, 33 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 55.0s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4387 SdHoareTripleChecker+Valid, 13.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3619 mSDsluCounter, 1771 SdHoareTripleChecker+Invalid, 11.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1001 mSDsCounter, 2733 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13177 IncrementalHoareTripleChecker+Invalid, 15910 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2733 mSolverCounterUnsat, 770 mSDtfsCounter, 13177 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4080 GetRequests, 3452 SyntacticMatches, 58 SemanticMatches, 570 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150498 ImplicationChecksByTransitivity, 50.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 433 NumberOfCodeBlocks, 433 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 2946 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 29 PerfectInterpolantSequences, 9/16 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: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: (((unknown-#memory_int-unknown[z_ref][z_ref] <= 2147483647 && !(z_ref == y_ref)) && unknown-#memory_int-unknown[y_ref][y_ref] <= 2147483647) && 0 <= unknown-#memory_int-unknown[z_ref][z_ref] + 2147483648) && 0 <= unknown-#memory_int-unknown[y_ref][y_ref] + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.48ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 68.1MB in the beginning and 145.4MB in the end (delta: -77.3MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.51ms. Allocated memory is still 178.3MB. Free memory was 145.4MB in the beginning and 143.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.69ms. Allocated memory is still 178.3MB. Free memory was 143.3MB in the beginning and 141.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 316.83ms. Allocated memory is still 178.3MB. Free memory was 141.2MB in the beginning and 123.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 55295.58ms. Allocated memory was 178.3MB in the beginning and 373.3MB in the end (delta: 195.0MB). Free memory was 123.4MB in the beginning and 130.4MB in the end (delta: -7.0MB). Peak memory consumption was 188.0MB. Max. memory is 16.1GB. * Witness Printer took 42.52ms. Allocated memory is still 373.3MB. Free memory was 130.4MB in the beginning and 126.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 02:51:39,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b15ae15-6283-45eb-8f52-251cb4b13830/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE