./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85913bfb-b1f2-4ca7-865f-cf032e6245dd/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85913bfb-b1f2-4ca7-865f-cf032e6245dd/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_85913bfb-b1f2-4ca7-865f-cf032e6245dd/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85913bfb-b1f2-4ca7-865f-cf032e6245dd/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/egcd3-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85913bfb-b1f2-4ca7-865f-cf032e6245dd/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_85913bfb-b1f2-4ca7-865f-cf032e6245dd/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 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-2329fc7 [2022-12-14 21:32:13,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:32:13,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:32:13,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:32:13,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:32:13,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:32:13,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:32:13,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:32:13,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:32:13,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:32:13,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:32:13,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:32:13,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:32:13,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:32:13,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:32:13,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:32:13,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:32:13,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:32:13,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:32:13,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:32:13,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:32:13,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:32:13,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:32:13,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:32:13,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:32:13,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:32:13,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:32:13,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:32:13,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:32:13,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:32:13,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:32:13,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:32:13,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:32:13,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:32:13,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:32:13,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:32:13,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:32:13,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:32:13,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:32:13,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:32:13,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:32:13,594 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85913bfb-b1f2-4ca7-865f-cf032e6245dd/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 21:32:13,613 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:32:13,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:32:13,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:32:13,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:32:13,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:32:13,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:32:13,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:32:13,616 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:32:13,616 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:32:13,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:32:13,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:32:13,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:32:13,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:32:13,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:32:13,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:32:13,617 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 21:32:13,617 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:32:13,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:32:13,617 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:32:13,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:32:13,618 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:32:13,618 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:32:13,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:32:13,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:32:13,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:32:13,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:32:13,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:32:13,619 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:32:13,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:32:13,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:32:13,619 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_85913bfb-b1f2-4ca7-865f-cf032e6245dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85913bfb-b1f2-4ca7-865f-cf032e6245dd/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 441ed385de0111f9f6047a22d0563bf22c3f11c2944a4555fcac4ead6b7adc06 [2022-12-14 21:32:13,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:32:13,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:32:13,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:32:13,816 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:32:13,816 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:32:13,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85913bfb-b1f2-4ca7-865f-cf032e6245dd/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-nla/egcd3-both-nt.c [2022-12-14 21:32:16,377 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:32:16,527 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:32:16,527 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85913bfb-b1f2-4ca7-865f-cf032e6245dd/sv-benchmarks/c/termination-nla/egcd3-both-nt.c [2022-12-14 21:32:16,531 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85913bfb-b1f2-4ca7-865f-cf032e6245dd/bin/ukojak-rkRKPMF4O4/data/26a336fbc/8161947e9ae945638f32ab886db63fe8/FLAG62a6c57b2 [2022-12-14 21:32:16,950 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85913bfb-b1f2-4ca7-865f-cf032e6245dd/bin/ukojak-rkRKPMF4O4/data/26a336fbc/8161947e9ae945638f32ab886db63fe8 [2022-12-14 21:32:16,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:32:16,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:32:16,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:32:16,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:32:16,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:32:16,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:32:16" (1/1) ... [2022-12-14 21:32:16,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632955a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:16, skipping insertion in model container [2022-12-14 21:32:16,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:32:16" (1/1) ... [2022-12-14 21:32:16,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:32:16,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:32:17,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:32:17,073 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:32:17,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:32:17,093 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:32:17,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:17 WrapperNode [2022-12-14 21:32:17,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:32:17,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:32:17,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:32:17,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:32:17,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:17" (1/1) ... [2022-12-14 21:32:17,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:17" (1/1) ... [2022-12-14 21:32:17,114 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2022-12-14 21:32:17,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:32:17,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:32:17,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:32:17,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:32:17,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:17" (1/1) ... [2022-12-14 21:32:17,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:17" (1/1) ... [2022-12-14 21:32:17,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:17" (1/1) ... [2022-12-14 21:32:17,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:17" (1/1) ... [2022-12-14 21:32:17,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:17" (1/1) ... [2022-12-14 21:32:17,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:17" (1/1) ... [2022-12-14 21:32:17,126 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:17" (1/1) ... [2022-12-14 21:32:17,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:17" (1/1) ... [2022-12-14 21:32:17,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:32:17,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:32:17,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:32:17,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:32:17,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:17" (1/1) ... [2022-12-14 21:32:17,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:32:17,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85913bfb-b1f2-4ca7-865f-cf032e6245dd/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:32:17,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85913bfb-b1f2-4ca7-865f-cf032e6245dd/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:32:17,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85913bfb-b1f2-4ca7-865f-cf032e6245dd/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:32:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:32:17,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:32:17,236 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:32:17,238 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:32:17,387 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:32:17,401 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:32:17,401 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 21:32:17,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:32:17 BoogieIcfgContainer [2022-12-14 21:32:17,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:32:17,404 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:32:17,404 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:32:17,411 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:32:17,411 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:32:17" (1/1) ... [2022-12-14 21:32:17,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:32:17,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:17,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 54 states and 59 transitions. [2022-12-14 21:32:17,459 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2022-12-14 21:32:17,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 21:32:17,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:17,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:17,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 21:32:17,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:17,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:17,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:17,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 54 states and 57 transitions. [2022-12-14 21:32:17,578 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2022-12-14 21:32:17,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 21:32:17,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:17,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:17,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:32:17,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:17,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:17,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:17,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2022-12-14 21:32:17,637 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2022-12-14 21:32:17,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 21:32:17,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:17,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:17,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:32:17,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:17,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:17,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 62 states and 69 transitions. [2022-12-14 21:32:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2022-12-14 21:32:17,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:32:17,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:17,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:17,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:32:17,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:17,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:17,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:17,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 63 states and 70 transitions. [2022-12-14 21:32:17,725 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2022-12-14 21:32:17,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:32:17,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:17,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:17,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:32:17,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:17,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:17,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 64 states and 71 transitions. [2022-12-14 21:32:17,772 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2022-12-14 21:32:17,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:32:17,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:17,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:17,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:32:17,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:17,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:17,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:17,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 72 states and 84 transitions. [2022-12-14 21:32:17,964 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2022-12-14 21:32:17,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:32:17,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:17,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:17,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:32:17,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:18,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 80 states and 99 transitions. [2022-12-14 21:32:18,204 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 99 transitions. [2022-12-14 21:32:18,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 21:32:18,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:18,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:18,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 21:32:18,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:18,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:18,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:18,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 89 states and 114 transitions. [2022-12-14 21:32:18,574 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2022-12-14 21:32:18,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 21:32:18,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:18,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:18,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:32:18,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:18,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:18,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:18,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 98 states and 131 transitions. [2022-12-14 21:32:18,912 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 131 transitions. [2022-12-14 21:32:18,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:32:18,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:18,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:18,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:32:18,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:19,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:19,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 106 states and 145 transitions. [2022-12-14 21:32:19,434 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2022-12-14 21:32:19,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:32:19,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:19,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:19,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:32:19,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:19,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:19,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:19,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 109 states and 149 transitions. [2022-12-14 21:32:19,633 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions. [2022-12-14 21:32:19,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 21:32:19,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:19,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:19,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:32:19,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:19,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:20,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 118 states and 165 transitions. [2022-12-14 21:32:20,294 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 165 transitions. [2022-12-14 21:32:20,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 21:32:20,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:20,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:20,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:32:20,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:20,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:20,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 119 states and 166 transitions. [2022-12-14 21:32:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 166 transitions. [2022-12-14 21:32:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 21:32:20,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:20,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:20,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:32:20,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:20,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:21,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:21,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 131 states and 188 transitions. [2022-12-14 21:32:21,546 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 188 transitions. [2022-12-14 21:32:21,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 21:32:21,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:21,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:21,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 21:32:21,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:21,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:23,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:23,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 144 states and 213 transitions. [2022-12-14 21:32:23,232 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 213 transitions. [2022-12-14 21:32:23,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 21:32:23,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:23,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:23,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:32:23,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:23,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:23,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:23,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 153 states and 226 transitions. [2022-12-14 21:32:23,878 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 226 transitions. [2022-12-14 21:32:23,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 21:32:23,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:23,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:23,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:32:23,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:23,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:24,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 162 states and 240 transitions. [2022-12-14 21:32:24,550 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 240 transitions. [2022-12-14 21:32:24,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 21:32:24,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:24,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:24,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 21:32:24,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:24,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:26,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 174 states and 263 transitions. [2022-12-14 21:32:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 263 transitions. [2022-12-14 21:32:26,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 21:32:26,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:26,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:26,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:32:26,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:32:26,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:27,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 184 states and 276 transitions. [2022-12-14 21:32:27,161 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 276 transitions. [2022-12-14 21:32:27,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 21:32:27,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:27,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:32:27,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 21:32:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:32:27,189 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2022-12-14 21:32:27,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:32:27 ImpRootNode [2022-12-14 21:32:27,209 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:32:27,209 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:32:27,210 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:32:27,210 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:32:27,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:32:17" (3/4) ... [2022-12-14 21:32:27,211 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 21:32:27,242 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85913bfb-b1f2-4ca7-865f-cf032e6245dd/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:32:27,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:32:27,243 INFO L158 Benchmark]: Toolchain (without parser) took 10289.17ms. Allocated memory is still 165.7MB. Free memory was 131.5MB in the beginning and 56.6MB in the end (delta: 74.9MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. [2022-12-14 21:32:27,243 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory is still 44.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:32:27,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 138.90ms. Allocated memory is still 165.7MB. Free memory was 131.5MB in the beginning and 122.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 21:32:27,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.99ms. Allocated memory is still 165.7MB. Free memory was 122.0MB in the beginning and 120.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:32:27,244 INFO L158 Benchmark]: Boogie Preprocessor took 13.41ms. Allocated memory is still 165.7MB. Free memory was 120.5MB in the beginning and 119.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:32:27,245 INFO L158 Benchmark]: RCFGBuilder took 275.19ms. Allocated memory is still 165.7MB. Free memory was 119.1MB in the beginning and 105.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 21:32:27,245 INFO L158 Benchmark]: CodeCheck took 9805.43ms. Allocated memory is still 165.7MB. Free memory was 105.8MB in the beginning and 58.7MB in the end (delta: 47.1MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2022-12-14 21:32:27,246 INFO L158 Benchmark]: Witness Printer took 32.87ms. Allocated memory is still 165.7MB. Free memory was 58.7MB in the beginning and 56.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:32:27,248 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: 9.8s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2032 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1709 mSDsluCounter, 2706 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2118 mSDsCounter, 586 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3198 IncrementalHoareTripleChecker+Invalid, 3784 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 586 mSolverCounterUnsat, 588 mSDtfsCounter, 3198 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1989 GetRequests, 1734 SyntacticMatches, 3 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33092 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 1013 SizeOfPredicates, 7 NumberOfNonLiveVariables, 733 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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=0, b=-1073741825, p=1, q=0, r=0, s=1, x=0, y=-1073741825] [L33] COND TRUE 1 VAL [a=0, b=-1073741825, p=1, q=0, r=0, s=1, x=0, y=-1073741825] [L34] COND FALSE !(!(b != 0)) [L36] int c, k; [L37] c = a [L38] k = 0 VAL [a=0, b=-1073741825, c=0, k=0, p=1, q=0, r=0, s=1, x=0, y=-1073741825] [L40] COND TRUE 1 VAL [a=0, b=-1073741825, c=0, k=0, p=1, q=0, r=0, s=1, x=0, y=-1073741825] [L41] COND FALSE !(!(c >= b)) [L43] int d, v; [L44] d = 1 [L45] v = b VAL [a=0, b=-1073741825, c=0, d=1, k=0, p=1, q=0, r=0, s=1, v=-1073741825, x=0, y=-1073741825] [L47] COND TRUE 1 VAL [a=0, b=-1073741825, c=0, d=1, k=0, p=1, q=0, r=0, s=1, v=-1073741825, x=0, y=-1073741825] [L53] EXPR x * q VAL [a=0, b=-1073741825, c=0, d=1, k=0, p=1, q=0, r=0, s=1, v=-1073741825, x=0, y=-1073741825] [L53] EXPR y * s VAL [a=0, b=-1073741825, c=0, d=1, k=0, p=1, q=0, r=0, s=1, v=-1073741825, x=0, y=-1073741825] [L53] EXPR x * q + y * s VAL [a=0, b=-1073741825, c=0, d=1, k=0, p=1, q=0, r=0, s=1, v=-1073741825, x=0, y=-1073741825] [L53] COND FALSE !(!(b == x * q + y * s)) VAL [a=0, b=-1073741825, c=0, d=1, k=0, p=1, q=0, r=0, s=1, v=-1073741825, x=0, y=-1073741825] [L55] EXPR 2 * d [L55] d = 2 * d VAL [a=0, b=-1073741825, c=0, d=2, k=0, p=1, q=0, r=0, s=1, v=-1073741825, x=0, y=-1073741825] [L56] 2 * v VAL [a=0, b=-1073741825, c=0, d=2, k=0, p=1, q=0, r=0, s=1, v=-1073741825, x=0, y=-1073741825] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory is still 44.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 138.90ms. Allocated memory is still 165.7MB. Free memory was 131.5MB in the beginning and 122.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.99ms. Allocated memory is still 165.7MB. Free memory was 122.0MB in the beginning and 120.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.41ms. Allocated memory is still 165.7MB. Free memory was 120.5MB in the beginning and 119.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 275.19ms. Allocated memory is still 165.7MB. Free memory was 119.1MB in the beginning and 105.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 9805.43ms. Allocated memory is still 165.7MB. Free memory was 105.8MB in the beginning and 58.7MB in the end (delta: 47.1MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * Witness Printer took 32.87ms. Allocated memory is still 165.7MB. Free memory was 58.7MB in the beginning and 56.6MB 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! [2022-12-14 21:32:27,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85913bfb-b1f2-4ca7-865f-cf032e6245dd/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)