./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/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_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/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_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/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 676276db79a43f24ac4768848febffe3dd303b6e2c16071dede4e51ae957576d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 19:06:55,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:06:55,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:06:55,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:06:55,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:06:55,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:06:55,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:06:55,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:06:55,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:06:55,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:06:55,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:06:55,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:06:55,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:06:55,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:06:55,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:06:55,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:06:55,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:06:55,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:06:55,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:06:55,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:06:55,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:06:55,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:06:55,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:06:55,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:06:55,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:06:55,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:06:55,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:06:55,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:06:55,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:06:55,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:06:55,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:06:55,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:06:55,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:06:55,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:06:55,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:06:55,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:06:55,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:06:55,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:06:55,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:06:55,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:06:55,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:06:55,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 19:06:55,532 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:06:55,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:06:55,533 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:06:55,533 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:06:55,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:06:55,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:06:55,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:06:55,535 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 19:06:55,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:06:55,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:06:55,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:06:55,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:06:55,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:06:55,536 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 19:06:55,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:06:55,536 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:06:55,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:06:55,537 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:06:55,537 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:06:55,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:06:55,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:06:55,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:06:55,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:06:55,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:06:55,538 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:06:55,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:06:55,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:06:55,538 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_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676276db79a43f24ac4768848febffe3dd303b6e2c16071dede4e51ae957576d [2022-12-14 19:06:55,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:06:55,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:06:55,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:06:55,743 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:06:55,743 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:06:55,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2022-12-14 19:06:58,255 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:06:58,412 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:06:58,412 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2022-12-14 19:06:58,417 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/bin/ukojak-rkRKPMF4O4/data/e500f2184/7073eaf8af8a43a49be2cb8529471d68/FLAGf48e833df [2022-12-14 19:06:58,832 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/bin/ukojak-rkRKPMF4O4/data/e500f2184/7073eaf8af8a43a49be2cb8529471d68 [2022-12-14 19:06:58,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:06:58,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:06:58,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:06:58,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:06:58,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:06:58,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:06:58" (1/1) ... [2022-12-14 19:06:58,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a18841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:58, skipping insertion in model container [2022-12-14 19:06:58,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:06:58" (1/1) ... [2022-12-14 19:06:58,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:06:58,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:06:58,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:06:58,976 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:06:58,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:06:59,000 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:06:59,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:59 WrapperNode [2022-12-14 19:06:59,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:06:59,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:06:59,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:06:59,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:06:59,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:59" (1/1) ... [2022-12-14 19:06:59,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:59" (1/1) ... [2022-12-14 19:06:59,024 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2022-12-14 19:06:59,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:06:59,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:06:59,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:06:59,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:06:59,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:59" (1/1) ... [2022-12-14 19:06:59,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:59" (1/1) ... [2022-12-14 19:06:59,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:59" (1/1) ... [2022-12-14 19:06:59,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:59" (1/1) ... [2022-12-14 19:06:59,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:59" (1/1) ... [2022-12-14 19:06:59,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:59" (1/1) ... [2022-12-14 19:06:59,043 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:59" (1/1) ... [2022-12-14 19:06:59,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:59" (1/1) ... [2022-12-14 19:06:59,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:06:59,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:06:59,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:06:59,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:06:59,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:59" (1/1) ... [2022-12-14 19:06:59,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:06:59,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:06:59,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:06:59,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:06:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-12-14 19:06:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-12-14 19:06:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:06:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:06:59,168 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:06:59,170 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:06:59,311 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:06:59,411 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:06:59,412 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:06:59,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:06:59 BoogieIcfgContainer [2022-12-14 19:06:59,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:06:59,416 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:06:59,416 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:06:59,425 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:06:59,425 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:06:59" (1/1) ... [2022-12-14 19:06:59,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:06:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:06:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2022-12-14 19:06:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-12-14 19:06:59,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 19:06:59,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:06:59,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:06:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:06:59,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:06:59,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:06:59,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2022-12-14 19:06:59,602 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-12-14 19:06:59,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 19:06:59,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:06:59,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:06:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:06:59,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:06:59,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:06:59,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2022-12-14 19:06:59,670 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-12-14 19:06:59,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 19:06:59,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:06:59,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:06:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:06:59,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:06:59,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:06:59,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2022-12-14 19:06:59,747 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2022-12-14 19:06:59,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:06:59,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:06:59,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:06:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:06:59,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:06:59,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:06:59,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 55 states and 85 transitions. [2022-12-14 19:06:59,850 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2022-12-14 19:06:59,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:06:59,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:06:59,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:06:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:06:59,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:06:59,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:06:59,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 57 states and 87 transitions. [2022-12-14 19:06:59,902 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 87 transitions. [2022-12-14 19:06:59,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 19:06:59,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:06:59,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:06:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:06:59,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:00,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:00,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 68 states and 114 transitions. [2022-12-14 19:07:00,092 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2022-12-14 19:07:00,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 19:07:00,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:00,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:00,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:00,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:00,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 77 states and 132 transitions. [2022-12-14 19:07:00,176 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2022-12-14 19:07:00,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 19:07:00,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:00,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:00,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:00,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 134 transitions. [2022-12-14 19:07:00,233 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 134 transitions. [2022-12-14 19:07:00,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 19:07:00,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:00,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:00,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 81 states and 136 transitions. [2022-12-14 19:07:00,268 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 136 transitions. [2022-12-14 19:07:00,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 19:07:00,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:00,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:00,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:00,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:00,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 83 states and 138 transitions. [2022-12-14 19:07:00,309 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 138 transitions. [2022-12-14 19:07:00,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 19:07:00,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:00,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:00,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:00,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:00,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 85 states and 140 transitions. [2022-12-14 19:07:00,352 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 140 transitions. [2022-12-14 19:07:00,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 19:07:00,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:00,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:00,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:00,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:00,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 83 states and 136 transitions. [2022-12-14 19:07:00,389 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2022-12-14 19:07:00,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 19:07:00,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:00,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:00,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:00,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:00,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 81 states and 132 transitions. [2022-12-14 19:07:00,424 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 132 transitions. [2022-12-14 19:07:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 19:07:00,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:00,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:00,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:00,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:00,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 83 states and 134 transitions. [2022-12-14 19:07:00,459 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 134 transitions. [2022-12-14 19:07:00,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 19:07:00,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:00,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:00,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:07:00,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:00,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 85 states and 136 transitions. [2022-12-14 19:07:00,559 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 136 transitions. [2022-12-14 19:07:00,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 19:07:00,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:00,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:00,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:00,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:00,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 90 states and 150 transitions. [2022-12-14 19:07:00,709 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 150 transitions. [2022-12-14 19:07:00,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 19:07:00,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:00,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:00,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:00,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:00,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 81 states and 134 transitions. [2022-12-14 19:07:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 134 transitions. [2022-12-14 19:07:00,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 19:07:00,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:00,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:00,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 89 states and 149 transitions. [2022-12-14 19:07:00,837 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 149 transitions. [2022-12-14 19:07:00,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:07:00,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:00,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:00,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:00,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:00,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 87 states and 145 transitions. [2022-12-14 19:07:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 145 transitions. [2022-12-14 19:07:00,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:07:00,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:00,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:00,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:00,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:00,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 85 states and 141 transitions. [2022-12-14 19:07:00,924 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 141 transitions. [2022-12-14 19:07:00,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:07:00,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:00,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:00,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 87 states and 143 transitions. [2022-12-14 19:07:00,963 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 143 transitions. [2022-12-14 19:07:00,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 19:07:00,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:00,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:01,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:01,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:01,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 90 states and 152 transitions. [2022-12-14 19:07:01,257 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 152 transitions. [2022-12-14 19:07:01,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:07:01,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:01,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:01,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:01,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:01,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 83 states and 140 transitions. [2022-12-14 19:07:01,292 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 140 transitions. [2022-12-14 19:07:01,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:07:01,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:01,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:01,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:01,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:01,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 81 states and 136 transitions. [2022-12-14 19:07:01,328 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 136 transitions. [2022-12-14 19:07:01,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:07:01,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:01,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:01,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:01,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:01,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 79 states and 132 transitions. [2022-12-14 19:07:01,358 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 132 transitions. [2022-12-14 19:07:01,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:07:01,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:01,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:01,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:01,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:01,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 81 states and 134 transitions. [2022-12-14 19:07:01,386 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 134 transitions. [2022-12-14 19:07:01,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:07:01,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:01,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:01,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:07:01,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 73 states and 118 transitions. [2022-12-14 19:07:01,412 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 118 transitions. [2022-12-14 19:07:01,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:07:01,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:01,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:01,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:07:01,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:01,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 68 states and 105 transitions. [2022-12-14 19:07:01,591 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2022-12-14 19:07:01,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:07:01,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:01,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:07:01,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 19:07:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:07:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:07:01,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 19:07:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:07:01,628 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 29 iterations. [2022-12-14 19:07:01,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 07:07:01 ImpRootNode [2022-12-14 19:07:01,645 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 19:07:01,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 19:07:01,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 19:07:01,645 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 19:07:01,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:06:59" (3/4) ... [2022-12-14 19:07:01,647 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 19:07:01,671 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 19:07:01,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 19:07:01,672 INFO L158 Benchmark]: Toolchain (without parser) took 2835.44ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 106.7MB in the beginning and 76.3MB in the end (delta: 30.4MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2022-12-14 19:07:01,672 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 140.5MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:07:01,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.16ms. Allocated memory is still 140.5MB. Free memory was 106.3MB in the beginning and 96.6MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 19:07:01,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.74ms. Allocated memory is still 140.5MB. Free memory was 96.6MB in the beginning and 95.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:07:01,673 INFO L158 Benchmark]: Boogie Preprocessor took 20.28ms. Allocated memory is still 140.5MB. Free memory was 95.1MB in the beginning and 94.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:07:01,673 INFO L158 Benchmark]: RCFGBuilder took 368.77ms. Allocated memory is still 140.5MB. Free memory was 94.1MB in the beginning and 76.3MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 19:07:01,674 INFO L158 Benchmark]: CodeCheck took 2229.04ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 76.0MB in the beginning and 78.4MB in the end (delta: -2.4MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-12-14 19:07:01,674 INFO L158 Benchmark]: Witness Printer took 25.96ms. Allocated memory is still 169.9MB. Free memory was 78.4MB in the beginning and 76.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:07:01,676 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, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 29, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5477 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4438 mSDsluCounter, 9242 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6984 mSDsCounter, 809 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3410 IncrementalHoareTripleChecker+Invalid, 4219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 809 mSolverCounterUnsat, 2258 mSDtfsCounter, 3410 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4713 GetRequests, 4598 SyntacticMatches, 53 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1643 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 477 NumberOfCodeBlocks, 477 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 1514 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 25 PerfectInterpolantSequences, 2/7 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 - CounterExampleResult [Line: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L53] int d = 1; [L54] int x = __VERIFIER_nondet_int(); [L56] COND TRUE __VERIFIER_nondet_int() [L57] EXPR d - 1 [L57] d = d - 1 VAL [d=0, x=2147483647] [L61] COND FALSE !(__VERIFIER_nondet_int()) [L64] COND FALSE !(__VERIFIER_nondet_int()) [L67] COND FALSE !(__VERIFIER_nondet_int()) [L70] COND FALSE !(__VERIFIER_nondet_int()) [L76] COND TRUE __VERIFIER_nondet_int() [L77] EXPR d - 1 [L77] d = d - 1 VAL [d=-1, x=2147483647] [L80] COND TRUE x > 0 VAL [d=-1, x=2147483647] [L81] x - d VAL [d=-1, x=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 140.5MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.16ms. Allocated memory is still 140.5MB. Free memory was 106.3MB in the beginning and 96.6MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.74ms. Allocated memory is still 140.5MB. Free memory was 96.6MB in the beginning and 95.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.28ms. Allocated memory is still 140.5MB. Free memory was 95.1MB in the beginning and 94.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 368.77ms. Allocated memory is still 140.5MB. Free memory was 94.1MB in the beginning and 76.3MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2229.04ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 76.0MB in the beginning and 78.4MB in the end (delta: -2.4MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Witness Printer took 25.96ms. Allocated memory is still 169.9MB. Free memory was 78.4MB in the beginning and 76.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 19:07:01,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0da8b3bf-9ccd-4558-9c8a-327260ca80e7/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)