./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/egcd3-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/egcd3-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 441ed385de0111f9f6047a22d0563bf22c3f11c2944a4555fcac4ead6b7adc06 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:38:25,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:38:25,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:38:25,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:38:25,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:38:25,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:38:25,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:38:25,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:38:25,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:38:25,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:38:25,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:38:25,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:38:25,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:38:25,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:38:25,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:38:25,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:38:25,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:38:25,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:38:25,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:38:25,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:38:25,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:38:25,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:38:25,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:38:25,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:38:25,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:38:25,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:38:25,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:38:25,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:38:25,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:38:25,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:38:25,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:38:25,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:38:25,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:38:25,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:38:25,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:38:25,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:38:25,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:38:25,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:38:25,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:38:25,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:38:25,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:38:25,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:38:25,852 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:38:25,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:38:25,853 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:38:25,853 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:38:25,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:38:25,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:38:25,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:38:25,855 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:38:25,855 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:38:25,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:38:25,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:38:25,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:38:25,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:38:25,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:38:25,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:38:25,858 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:38:25,858 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:38:25,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:38:25,859 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:38:25,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:38:25,859 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:38:25,859 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:38:25,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:38:25,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:38:25,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:38:25,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:38:25,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:38:25,861 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:38:25,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:38:25,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:38:25,862 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_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 441ed385de0111f9f6047a22d0563bf22c3f11c2944a4555fcac4ead6b7adc06 [2022-11-21 23:38:26,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:38:26,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:38:26,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:38:26,167 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:38:26,168 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:38:26,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-nla/egcd3-both-nt.c [2022-11-21 23:38:29,131 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:38:29,433 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:38:29,434 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/sv-benchmarks/c/termination-nla/egcd3-both-nt.c [2022-11-21 23:38:29,442 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg/data/cd4bc4616/70057c8e424d494bb008b59885dac0a0/FLAG9a316b04c [2022-11-21 23:38:29,465 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg/data/cd4bc4616/70057c8e424d494bb008b59885dac0a0 [2022-11-21 23:38:29,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:38:29,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:38:29,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:38:29,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:38:29,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:38:29,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:38:29" (1/1) ... [2022-11-21 23:38:29,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51af6f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:29, skipping insertion in model container [2022-11-21 23:38:29,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:38:29" (1/1) ... [2022-11-21 23:38:29,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:38:29,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:38:29,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:38:29,710 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:38:29,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:38:29,740 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:38:29,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:29 WrapperNode [2022-11-21 23:38:29,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:38:29,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:38:29,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:38:29,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:38:29,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:29" (1/1) ... [2022-11-21 23:38:29,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:29" (1/1) ... [2022-11-21 23:38:29,776 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2022-11-21 23:38:29,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:38:29,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:38:29,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:38:29,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:38:29,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:29" (1/1) ... [2022-11-21 23:38:29,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:29" (1/1) ... [2022-11-21 23:38:29,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:29" (1/1) ... [2022-11-21 23:38:29,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:29" (1/1) ... [2022-11-21 23:38:29,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:29" (1/1) ... [2022-11-21 23:38:29,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:29" (1/1) ... [2022-11-21 23:38:29,797 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:29" (1/1) ... [2022-11-21 23:38:29,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:29" (1/1) ... [2022-11-21 23:38:29,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:38:29,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:38:29,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:38:29,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:38:29,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:29" (1/1) ... [2022-11-21 23:38:29,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:38:29,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:38:29,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:38:29,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:38:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:38:29,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:38:29,954 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:38:29,956 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:38:30,268 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:38:30,298 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:38:30,298 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 23:38:30,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:38:30 BoogieIcfgContainer [2022-11-21 23:38:30,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:38:30,302 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:38:30,303 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:38:30,313 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:38:30,313 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:38:30" (1/1) ... [2022-11-21 23:38:30,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:38:30,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:30,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 54 states and 59 transitions. [2022-11-21 23:38:30,378 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2022-11-21 23:38:30,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:38:30,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:30,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:30,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 23:38:30,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:30,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:30,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:30,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 54 states and 57 transitions. [2022-11-21 23:38:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2022-11-21 23:38:30,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:38:30,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:30,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:30,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 23:38:30,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:30,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:30,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2022-11-21 23:38:30,694 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2022-11-21 23:38:30,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:38:30,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:30,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:30,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 23:38:30,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:30,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:30,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 62 states and 69 transitions. [2022-11-21 23:38:30,748 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2022-11-21 23:38:30,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:38:30,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:30,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:30,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 23:38:30,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:30,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:30,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:30,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 63 states and 70 transitions. [2022-11-21 23:38:30,821 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2022-11-21 23:38:30,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:38:30,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:30,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:30,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 23:38:30,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:30,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:30,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:30,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 64 states and 71 transitions. [2022-11-21 23:38:30,874 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2022-11-21 23:38:30,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:38:30,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:30,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:30,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 23:38:30,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:30,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:31,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:31,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 72 states and 83 transitions. [2022-11-21 23:38:31,139 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2022-11-21 23:38:31,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:38:31,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:31,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:31,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:38:31,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:31,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:31,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 80 states and 98 transitions. [2022-11-21 23:38:31,416 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 98 transitions. [2022-11-21 23:38:31,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:38:31,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:31,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:31,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:38:31,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:31,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:31,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:31,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 89 states and 113 transitions. [2022-11-21 23:38:31,991 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 113 transitions. [2022-11-21 23:38:31,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:38:31,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:31,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:32,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:38:32,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:32,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:32,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:32,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 98 states and 130 transitions. [2022-11-21 23:38:32,661 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2022-11-21 23:38:32,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:38:32,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:32,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:32,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:38:32,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:32,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:33,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:33,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 106 states and 144 transitions. [2022-11-21 23:38:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2022-11-21 23:38:33,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:38:33,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:33,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:33,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:38:33,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:33,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:33,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 109 states and 148 transitions. [2022-11-21 23:38:33,805 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 148 transitions. [2022-11-21 23:38:33,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:38:33,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:33,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:33,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:38:33,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:33,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:34,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:34,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 118 states and 164 transitions. [2022-11-21 23:38:34,866 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-11-21 23:38:34,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:38:34,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:34,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:34,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:38:34,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:34,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:35,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:35,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 119 states and 165 transitions. [2022-11-21 23:38:35,237 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-11-21 23:38:35,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:38:35,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:35,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:35,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:38:35,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:35,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:36,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:36,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 131 states and 186 transitions. [2022-11-21 23:38:36,953 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 186 transitions. [2022-11-21 23:38:36,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:38:36,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:36,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:36,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:38:37,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:37,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:39,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:39,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 144 states and 216 transitions. [2022-11-21 23:38:39,164 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 216 transitions. [2022-11-21 23:38:39,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:38:39,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:39,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:39,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 23:38:39,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:39,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:40,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 156 states and 240 transitions. [2022-11-21 23:38:40,894 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 240 transitions. [2022-11-21 23:38:40,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:38:40,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:40,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:40,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 23:38:40,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:40,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:41,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:41,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 165 states and 251 transitions. [2022-11-21 23:38:41,865 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 251 transitions. [2022-11-21 23:38:41,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:38:41,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:41,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:41,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 23:38:41,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:38:41,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:38:43,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:43,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 175 states and 263 transitions. [2022-11-21 23:38:43,078 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 263 transitions. [2022-11-21 23:38:43,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:38:43,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:43,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:38:43,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:38:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:38:43,121 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2022-11-21 23:38:43,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:38:43 ImpRootNode [2022-11-21 23:38:43,153 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:38:43,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:38:43,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:38:43,154 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:38:43,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:38:30" (3/4) ... [2022-11-21 23:38:43,157 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 23:38:43,206 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:38:43,207 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:38:43,208 INFO L158 Benchmark]: Toolchain (without parser) took 13737.19ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 116.8MB in the beginning and 153.6MB in the end (delta: -36.7MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2022-11-21 23:38:43,209 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 148.9MB. Free memory was 97.2MB in the beginning and 97.0MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:38:43,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.03ms. Allocated memory is still 148.9MB. Free memory was 116.8MB in the beginning and 107.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:38:43,210 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.14ms. Allocated memory is still 148.9MB. Free memory was 107.1MB in the beginning and 105.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:38:43,211 INFO L158 Benchmark]: Boogie Preprocessor took 22.80ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 103.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:38:43,212 INFO L158 Benchmark]: RCFGBuilder took 501.30ms. Allocated memory is still 148.9MB. Free memory was 103.9MB in the beginning and 89.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:38:43,213 INFO L158 Benchmark]: CodeCheck took 12850.66ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 89.9MB in the beginning and 155.7MB in the end (delta: -65.8MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-11-21 23:38:43,214 INFO L158 Benchmark]: Witness Printer took 53.25ms. Allocated memory is still 218.1MB. Free memory was 155.7MB in the beginning and 153.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:38:43,218 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, 54 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1815 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1510 mSDsluCounter, 2442 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1910 mSDsCounter, 474 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2740 IncrementalHoareTripleChecker+Invalid, 3214 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 474 mSolverCounterUnsat, 532 mSDtfsCounter, 2740 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1825 GetRequests, 1598 SyntacticMatches, 7 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24755 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 900 SizeOfPredicates, 5 NumberOfNonLiveVariables, 693 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 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: 56]: integer overflow possible integer overflow possible We found a FailurePath: [L19] int x, y; [L20] int a, b, p, q, r, s; [L21] x = __VERIFIER_nondet_int() [L22] y = __VERIFIER_nondet_int() [L26] a = x [L27] b = y [L28] p = 1 [L29] q = 0 [L30] r = 0 [L31] s = 1 VAL [a=1073741824, b=1073741824, p=1, q=0, r=0, s=1, x=1073741824, y=1073741824] [L33] COND TRUE 1 VAL [a=1073741824, b=1073741824, p=1, q=0, r=0, s=1, x=1073741824, y=1073741824] [L34] COND FALSE !(!(b != 0)) [L36] int c, k; [L37] c = a [L38] k = 0 VAL [a=1073741824, b=1073741824, c=1073741824, k=0, p=1, q=0, r=0, s=1, x=1073741824, y=1073741824] [L40] COND TRUE 1 VAL [a=1073741824, b=1073741824, c=1073741824, k=0, p=1, q=0, r=0, s=1, x=1073741824, y=1073741824] [L41] COND FALSE !(!(c >= b)) [L43] int d, v; [L44] d = 1 [L45] v = b VAL [a=1073741824, b=1073741824, c=1073741824, d=1, k=0, p=1, q=0, r=0, s=1, v=1073741824, x=1073741824, y=1073741824] [L47] COND TRUE 1 VAL [a=1073741824, b=1073741824, c=1073741824, d=1, k=0, p=1, q=0, r=0, s=1, v=1073741824, x=1073741824, y=1073741824] [L53] EXPR x * q VAL [a=1073741824, b=1073741824, c=1073741824, d=1, k=0, p=1, q=0, r=0, s=1, v=1073741824, x=1073741824, y=1073741824] [L53] EXPR y * s VAL [a=1073741824, b=1073741824, c=1073741824, d=1, k=0, p=1, q=0, r=0, s=1, v=1073741824, x=1073741824, y=1073741824] [L53] EXPR x * q + y * s VAL [a=1073741824, b=1073741824, c=1073741824, d=1, k=0, p=1, q=0, r=0, s=1, v=1073741824, x=1073741824, y=1073741824] [L53] COND FALSE !(!(b == x * q + y * s)) VAL [a=1073741824, b=1073741824, c=1073741824, d=1, k=0, p=1, q=0, r=0, s=1, v=1073741824, x=1073741824, y=1073741824] [L55] EXPR 2 * d [L55] d = 2 * d VAL [a=1073741824, b=1073741824, c=1073741824, d=2, k=0, p=1, q=0, r=0, s=1, v=1073741824, x=1073741824, y=1073741824] [L56] 2 * v VAL [a=1073741824, b=1073741824, c=1073741824, d=2, k=0, p=1, q=0, r=0, s=1, v=1073741824, x=1073741824, y=1073741824] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 148.9MB. Free memory was 97.2MB in the beginning and 97.0MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.03ms. Allocated memory is still 148.9MB. Free memory was 116.8MB in the beginning and 107.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.14ms. Allocated memory is still 148.9MB. Free memory was 107.1MB in the beginning and 105.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.80ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 103.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 501.30ms. Allocated memory is still 148.9MB. Free memory was 103.9MB in the beginning and 89.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 12850.66ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 89.9MB in the beginning and 155.7MB in the end (delta: -65.8MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Witness Printer took 53.25ms. Allocated memory is still 218.1MB. Free memory was 155.7MB in the beginning and 153.6MB 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! [2022-11-21 23:38:43,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015f9581-2804-4a6a-b466-f70cbb4ac2f1/bin/ukojak-jW3SillKbg/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)