./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/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_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 51aa0675891000edd5d1736f3584d06816ce7050b76c01d5b217260a35077c25 --- 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 00:47:39,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:47:39,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:47:39,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:47:39,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:47:39,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:47:39,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:47:39,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:47:39,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:47:39,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:47:39,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:47:39,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:47:39,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:47:39,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:47:39,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:47:39,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:47:39,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:47:39,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:47:39,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:47:39,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:47:39,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:47:39,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:47:39,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:47:39,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:47:39,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:47:39,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:47:39,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:47:39,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:47:39,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:47:39,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:47:39,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:47:39,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:47:39,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:47:39,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:47:39,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:47:39,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:47:39,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:47:39,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:47:39,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:47:39,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:47:39,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:47:39,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 00:47:39,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:47:39,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:47:39,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:47:39,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:47:39,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:47:39,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:47:39,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:47:39,146 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:47:39,146 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:47:39,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:47:39,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:47:39,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:47:39,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:47:39,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:47:39,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:47:39,147 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:47:39,148 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:47:39,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:47:39,148 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:47:39,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:47:39,148 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:47:39,149 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:47:39,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:47:39,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:47:39,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:47:39,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:47:39,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:47:39,150 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:47:39,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:47:39,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:47:39,150 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_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51aa0675891000edd5d1736f3584d06816ce7050b76c01d5b217260a35077c25 [2022-12-15 00:47:39,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:47:39,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:47:39,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:47:39,365 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:47:39,365 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:47:39,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2022-12-15 00:47:41,937 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:47:42,143 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:47:42,143 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2022-12-15 00:47:42,150 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/bin/ukojak-rkRKPMF4O4/data/6f8c7d5db/b9f4a845caf0445daf09b1e1a9972cda/FLAG4e89df90d [2022-12-15 00:47:42,495 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/bin/ukojak-rkRKPMF4O4/data/6f8c7d5db/b9f4a845caf0445daf09b1e1a9972cda [2022-12-15 00:47:42,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:47:42,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:47:42,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:47:42,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:47:42,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:47:42,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:47:42" (1/1) ... [2022-12-15 00:47:42,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e60d196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:47:42, skipping insertion in model container [2022-12-15 00:47:42,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:47:42" (1/1) ... [2022-12-15 00:47:42,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:47:42,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:47:42,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:47:42,714 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:47:42,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:47:42,756 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:47:42,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:47:42 WrapperNode [2022-12-15 00:47:42,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:47:42,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:47:42,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:47:42,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:47:42,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:47:42" (1/1) ... [2022-12-15 00:47:42,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:47:42" (1/1) ... [2022-12-15 00:47:42,785 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2022-12-15 00:47:42,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:47:42,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:47:42,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:47:42,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:47:42,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:47:42" (1/1) ... [2022-12-15 00:47:42,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:47:42" (1/1) ... [2022-12-15 00:47:42,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:47:42" (1/1) ... [2022-12-15 00:47:42,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:47:42" (1/1) ... [2022-12-15 00:47:42,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:47:42" (1/1) ... [2022-12-15 00:47:42,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:47:42" (1/1) ... [2022-12-15 00:47:42,801 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:47:42" (1/1) ... [2022-12-15 00:47:42,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:47:42" (1/1) ... [2022-12-15 00:47:42,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:47:42,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:47:42,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:47:42,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:47:42,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:47:42" (1/1) ... [2022-12-15 00:47:42,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:47:42,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:47:42,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:47:42,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:47:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 00:47:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 00:47:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:47:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:47:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:47:42,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:47:42,939 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:47:42,940 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:47:43,092 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:47:43,130 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:47:43,130 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 00:47:43,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:47:43 BoogieIcfgContainer [2022-12-15 00:47:43,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:47:43,133 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:47:43,133 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:47:43,140 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:47:43,141 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:47:43" (1/1) ... [2022-12-15 00:47:43,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:47:43,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:43,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2022-12-15 00:47:43,188 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2022-12-15 00:47:43,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-15 00:47:43,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:43,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:43,378 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 00:47:43,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:43,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2022-12-15 00:47:43,403 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2022-12-15 00:47:43,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 00:47:43,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:43,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:43,503 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 00:47:43,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2022-12-15 00:47:43,539 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-12-15 00:47:43,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:47:43,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:43,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:43,621 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 00:47:43,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:43,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2022-12-15 00:47:43,748 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2022-12-15 00:47:43,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:47:43,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:43,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:43,801 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 00:47:43,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:43,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions. [2022-12-15 00:47:43,820 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2022-12-15 00:47:43,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:47:43,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:43,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:43,875 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 00:47:44,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:44,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 52 states and 71 transitions. [2022-12-15 00:47:44,058 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-12-15 00:47:44,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 00:47:44,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:44,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:44,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:47:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 53 states and 72 transitions. [2022-12-15 00:47:44,291 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 00:47:44,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 00:47:44,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:44,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:44,370 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 00:47:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 59 states and 83 transitions. [2022-12-15 00:47:44,678 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2022-12-15 00:47:44,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:47:44,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:44,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:47:44,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:44,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2022-12-15 00:47:44,922 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2022-12-15 00:47:44,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:47:44,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:44,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:44,988 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 00:47:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:45,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 67 states and 96 transitions. [2022-12-15 00:47:45,211 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2022-12-15 00:47:45,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:47:45,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:45,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:45,232 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 00:47:45,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:45,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2022-12-15 00:47:45,572 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2022-12-15 00:47:45,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:47:45,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:45,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:45,653 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 00:47:45,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:45,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 76 states and 116 transitions. [2022-12-15 00:47:45,983 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 116 transitions. [2022-12-15 00:47:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:47:45,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:45,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:46,021 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 00:47:46,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:46,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 77 states and 117 transitions. [2022-12-15 00:47:46,138 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 117 transitions. [2022-12-15 00:47:46,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:47:46,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:46,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:46,173 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 00:47:46,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:46,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 79 states and 119 transitions. [2022-12-15 00:47:46,280 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 119 transitions. [2022-12-15 00:47:46,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:47:46,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:46,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:46,306 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 00:47:46,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:46,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 80 states and 122 transitions. [2022-12-15 00:47:46,322 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 122 transitions. [2022-12-15 00:47:46,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:47:46,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:46,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:46,338 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 00:47:46,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:46,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 86 states and 132 transitions. [2022-12-15 00:47:46,877 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2022-12-15 00:47:46,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:47:46,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:46,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:46,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:47:47,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 91 states and 147 transitions. [2022-12-15 00:47:47,454 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2022-12-15 00:47:47,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:47:47,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:47,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:47:48,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 96 states and 159 transitions. [2022-12-15 00:47:48,044 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 159 transitions. [2022-12-15 00:47:48,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:47:48,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:48,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:47:48,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:48,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 98 states and 160 transitions. [2022-12-15 00:47:48,225 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 160 transitions. [2022-12-15 00:47:48,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:47:48,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:48,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:47:48,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:48,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 99 states and 160 transitions. [2022-12-15 00:47:48,401 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 160 transitions. [2022-12-15 00:47:48,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:47:48,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:48,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:48,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:47:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:48,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 100 states and 160 transitions. [2022-12-15 00:47:48,606 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 160 transitions. [2022-12-15 00:47:48,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:47:48,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:48,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:48,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:47:48,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:48,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 102 states and 161 transitions. [2022-12-15 00:47:48,782 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 161 transitions. [2022-12-15 00:47:48,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:47:48,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:48,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:48,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:47:49,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:49,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 103 states and 163 transitions. [2022-12-15 00:47:49,462 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 163 transitions. [2022-12-15 00:47:49,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:47:49,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:49,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:49,474 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 00:47:49,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:49,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 106 states and 166 transitions. [2022-12-15 00:47:49,780 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 166 transitions. [2022-12-15 00:47:49,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:47:49,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:49,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 00:47:50,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:50,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 107 states and 166 transitions. [2022-12-15 00:47:50,379 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 166 transitions. [2022-12-15 00:47:50,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:47:50,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:50,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:50,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:47:51,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:51,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 115 states and 183 transitions. [2022-12-15 00:47:51,667 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 183 transitions. [2022-12-15 00:47:51,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:47:51,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:51,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:51,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:47:51,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:51,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 117 states and 184 transitions. [2022-12-15 00:47:51,905 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 184 transitions. [2022-12-15 00:47:51,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:47:51,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:51,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:51,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:47:52,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:52,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 118 states and 184 transitions. [2022-12-15 00:47:52,139 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 184 transitions. [2022-12-15 00:47:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:47:52,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:52,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:52,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:47:52,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:52,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 120 states and 187 transitions. [2022-12-15 00:47:52,495 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 187 transitions. [2022-12-15 00:47:52,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:47:52,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:52,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:52,505 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 00:47:52,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:52,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 124 states and 191 transitions. [2022-12-15 00:47:52,987 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 191 transitions. [2022-12-15 00:47:52,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:47:52,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:52,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:53,002 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 00:47:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:53,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 126 states and 195 transitions. [2022-12-15 00:47:53,543 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 195 transitions. [2022-12-15 00:47:53,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:47:53,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:53,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:53,696 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 00:47:54,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:54,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 130 states and 205 transitions. [2022-12-15 00:47:54,319 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 205 transitions. [2022-12-15 00:47:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:47:54,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:54,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:54,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:47:55,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:55,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 135 states and 215 transitions. [2022-12-15 00:47:55,210 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 215 transitions. [2022-12-15 00:47:55,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:47:55,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:55,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:55,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:47:55,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:55,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 136 states and 216 transitions. [2022-12-15 00:47:55,483 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 216 transitions. [2022-12-15 00:47:55,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:47:55,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:55,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:55,505 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 00:47:55,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:55,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 137 states and 217 transitions. [2022-12-15 00:47:55,774 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 217 transitions. [2022-12-15 00:47:55,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:47:55,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:55,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:55,870 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:47:56,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:56,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2022-12-15 00:47:56,076 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2022-12-15 00:47:56,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:47:56,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:56,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:47:57,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:57,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 109 states and 166 transitions. [2022-12-15 00:47:57,558 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 166 transitions. [2022-12-15 00:47:57,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:47:57,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:57,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:47:58,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:58,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 114 states and 176 transitions. [2022-12-15 00:47:58,679 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 176 transitions. [2022-12-15 00:47:58,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:47:58,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:58,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:58,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:47:58,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:58,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 115 states and 176 transitions. [2022-12-15 00:47:58,982 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 176 transitions. [2022-12-15 00:47:58,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:47:58,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:58,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:47:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:47:59,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:47:59,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 116 states and 176 transitions. [2022-12-15 00:47:59,313 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 176 transitions. [2022-12-15 00:47:59,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:47:59,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:47:59,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:47:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:47:59,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:47:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:47:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:47:59,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:47:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:47:59,394 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 40 iterations. [2022-12-15 00:47:59,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:47:59 ImpRootNode [2022-12-15 00:47:59,425 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:47:59,425 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:47:59,425 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:47:59,426 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:47:59,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:47:43" (3/4) ... [2022-12-15 00:47:59,428 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 00:47:59,459 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:47:59,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:47:59,459 INFO L158 Benchmark]: Toolchain (without parser) took 16961.28ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 107.1MB in the beginning and 99.5MB in the end (delta: 7.6MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2022-12-15 00:47:59,460 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory was 114.8MB in the beginning and 114.8MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:47:59,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.32ms. Allocated memory is still 138.4MB. Free memory was 107.1MB in the beginning and 90.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 00:47:59,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.06ms. Allocated memory is still 138.4MB. Free memory was 90.6MB in the beginning and 88.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:47:59,460 INFO L158 Benchmark]: Boogie Preprocessor took 17.76ms. Allocated memory is still 138.4MB. Free memory was 88.5MB in the beginning and 87.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:47:59,461 INFO L158 Benchmark]: RCFGBuilder took 328.42ms. Allocated memory is still 138.4MB. Free memory was 87.0MB in the beginning and 68.7MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 00:47:59,461 INFO L158 Benchmark]: CodeCheck took 16291.91ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 68.7MB in the beginning and 102.6MB in the end (delta: -34.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:47:59,461 INFO L158 Benchmark]: Witness Printer took 33.46ms. Allocated memory is still 167.8MB. Free memory was 102.6MB in the beginning and 99.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:47:59,463 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, 39 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 16.2s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5319 SdHoareTripleChecker+Valid, 14.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4944 mSDsluCounter, 614 SdHoareTripleChecker+Invalid, 12.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 544 mSDsCounter, 2901 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16373 IncrementalHoareTripleChecker+Invalid, 19274 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2901 mSolverCounterUnsat, 70 mSDtfsCounter, 16373 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3980 GetRequests, 3579 SyntacticMatches, 19 SemanticMatches, 382 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75289 ImplicationChecksByTransitivity, 13.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 431 NumberOfCodeBlocks, 431 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 1181 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 28 PerfectInterpolantSequences, 56/110 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: 519]: integer overflow possible integer overflow possible We found a FailurePath: [L530] int length1 = __VERIFIER_nondet_int(); [L531] int length2 = __VERIFIER_nondet_int(); [L532] COND TRUE length1 < 1 [L533] length1 = 1 [L535] COND TRUE length2 < 1 [L536] length2 = 1 [L538] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L539] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L541] int i = 0; VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={2:0}, i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L541] EXPR length1 - 1 VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={2:0}, i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L541] COND FALSE !(i < length1 - 1) VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={2:0}, i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L546] int i = 0; VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={2:0}, i=0, i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L546] EXPR length2 - 1 VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={2:0}, i=0, i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L546] COND FALSE !(i < length2 - 1) VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={2:0}, i=0, i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L551] EXPR length1-1 [L551] nondetString1[length1-1] = '\0' VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={2:0}, i=0, i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L552] EXPR length2-1 [L552] nondetString2[length2-1] = '\0' [L553] CALL cstrncmp(nondetString1,nondetString2,__VERIFIER_nondet_int()) [L516] unsigned char uc1, uc2; VAL [\old(n)=-2147483648, n=-2147483648, s1={3:0}, s1={3:0}, s2={2:0}, s2={2:0}] [L517] COND FALSE !(n == 0) VAL [\old(n)=-2147483648, n=-2147483648, s1={3:0}, s1={3:0}, s2={2:0}, s2={2:0}] [L519] n-- VAL [\old(n)=-2147483648, n=-2147483648, n--=-2147483648, s1={3:0}, s1={3:0}, s2={2:0}, s2={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory was 114.8MB in the beginning and 114.8MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.32ms. Allocated memory is still 138.4MB. Free memory was 107.1MB in the beginning and 90.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.06ms. Allocated memory is still 138.4MB. Free memory was 90.6MB in the beginning and 88.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.76ms. Allocated memory is still 138.4MB. Free memory was 88.5MB in the beginning and 87.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 328.42ms. Allocated memory is still 138.4MB. Free memory was 87.0MB in the beginning and 68.7MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 16291.91ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 68.7MB in the beginning and 102.6MB in the end (delta: -34.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 33.46ms. Allocated memory is still 167.8MB. Free memory was 102.6MB in the beginning and 99.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 00:47:59,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8f157f-d58b-40ca-8d1d-1c3a982380bc/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)