./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/reducercommutativity/max10-1.i --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_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/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_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/max10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/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_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/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 1223a7fef027dae15fda123c8ce40ec49dc779b7d5d627ded9a670697417439e --- 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 23:23:44,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:23:44,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:23:44,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:23:44,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:23:44,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:23:44,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:23:44,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:23:44,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:23:44,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:23:44,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:23:44,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:23:44,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:23:44,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:23:44,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:23:44,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:23:44,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:23:44,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:23:44,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:23:44,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:23:44,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:23:44,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:23:44,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:23:44,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:23:44,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:23:44,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:23:44,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:23:44,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:23:44,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:23:44,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:23:44,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:23:44,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:23:44,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:23:44,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:23:44,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:23:44,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:23:44,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:23:44,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:23:44,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:23:44,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:23:44,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:23:44,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:23:44,609 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:23:44,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:23:44,611 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:23:44,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:23:44,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:23:44,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:23:44,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:23:44,613 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:23:44,613 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:23:44,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:23:44,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:23:44,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:23:44,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:23:44,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:23:44,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:23:44,615 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:23:44,615 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:23:44,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:23:44,616 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:23:44,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:23:44,617 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:23:44,617 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:23:44,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:23:44,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:23:44,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:23:44,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:23:44,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:23:44,619 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:23:44,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:23:44,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:23:44,620 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_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1223a7fef027dae15fda123c8ce40ec49dc779b7d5d627ded9a670697417439e [2022-11-21 23:23:44,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:23:44,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:23:44,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:23:44,960 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:23:44,961 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:23:44,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/reducercommutativity/max10-1.i [2022-11-21 23:23:48,166 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:23:48,415 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:23:48,416 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/sv-benchmarks/c/reducercommutativity/max10-1.i [2022-11-21 23:23:48,429 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/bin/ukojak-jW3SillKbg/data/e4661a026/4181b69d659a4e9db9517806b1f0cad2/FLAG6fe89de2e [2022-11-21 23:23:48,444 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/bin/ukojak-jW3SillKbg/data/e4661a026/4181b69d659a4e9db9517806b1f0cad2 [2022-11-21 23:23:48,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:23:48,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:23:48,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:23:48,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:23:48,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:23:48,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:23:48" (1/1) ... [2022-11-21 23:23:48,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a37232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:48, skipping insertion in model container [2022-11-21 23:23:48,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:23:48" (1/1) ... [2022-11-21 23:23:48,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:23:48,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:23:48,669 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2022-11-21 23:23:48,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:23:48,679 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:23:48,702 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2022-11-21 23:23:48,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:23:48,717 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:23:48,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:48 WrapperNode [2022-11-21 23:23:48,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:23:48,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:23:48,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:23:48,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:23:48,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:48" (1/1) ... [2022-11-21 23:23:48,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:48" (1/1) ... [2022-11-21 23:23:48,768 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 73 [2022-11-21 23:23:48,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:23:48,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:23:48,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:23:48,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:23:48,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:48" (1/1) ... [2022-11-21 23:23:48,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:48" (1/1) ... [2022-11-21 23:23:48,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:48" (1/1) ... [2022-11-21 23:23:48,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:48" (1/1) ... [2022-11-21 23:23:48,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:48" (1/1) ... [2022-11-21 23:23:48,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:48" (1/1) ... [2022-11-21 23:23:48,804 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:48" (1/1) ... [2022-11-21 23:23:48,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:48" (1/1) ... [2022-11-21 23:23:48,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:23:48,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:23:48,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:23:48,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:23:48,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:48" (1/1) ... [2022-11-21 23:23:48,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:23:48,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:23:48,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:23:48,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:23:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:23:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure max [2022-11-21 23:23:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2022-11-21 23:23:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:23:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:23:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:23:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:23:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:23:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:23:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:23:49,004 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:23:49,006 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:23:49,183 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:23:49,281 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:23:49,291 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 23:23:49,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:23:49 BoogieIcfgContainer [2022-11-21 23:23:49,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:23:49,301 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:23:49,301 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:23:49,312 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:23:49,312 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:23:49" (1/1) ... [2022-11-21 23:23:49,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:23:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:49,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2022-11-21 23:23:49,439 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-11-21 23:23:49,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 23:23:49,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:49,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:49,699 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 23:23:49,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:49,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2022-11-21 23:23:49,761 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-11-21 23:23:49,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:23:49,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:49,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:49,824 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 23:23:49,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:49,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2022-11-21 23:23:49,843 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-21 23:23:49,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:23:49,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:49,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:23:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:49,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2022-11-21 23:23:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-11-21 23:23:49,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:23:49,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:49,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:50,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:50,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2022-11-21 23:23:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-11-21 23:23:50,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:23:50,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:50,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:50,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:50,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:50,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2022-11-21 23:23:50,472 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-11-21 23:23:50,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:23:50,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:50,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:50,656 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:23:50,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:50,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2022-11-21 23:23:50,741 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-11-21 23:23:50,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:23:50,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:50,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:50,844 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:23:50,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:50,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2022-11-21 23:23:50,872 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2022-11-21 23:23:50,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:23:50,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:50,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:23:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2022-11-21 23:23:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-11-21 23:23:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:23:51,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:51,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:51,204 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:23:51,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 36 states and 41 transitions. [2022-11-21 23:23:51,464 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2022-11-21 23:23:51,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:23:51,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:51,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:23:51,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:51,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 39 states and 44 transitions. [2022-11-21 23:23:51,877 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-11-21 23:23:51,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:23:51,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:51,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:52,031 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:23:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:52,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 42 states and 47 transitions. [2022-11-21 23:23:52,300 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2022-11-21 23:23:52,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:23:52,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:52,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:52,474 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:23:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 45 states and 50 transitions. [2022-11-21 23:23:52,811 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2022-11-21 23:23:52,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:23:52,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:52,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:53,043 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:23:53,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:53,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 48 states and 53 transitions. [2022-11-21 23:23:53,372 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2022-11-21 23:23:53,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:23:53,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:53,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:53,651 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:23:54,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:54,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 51 states and 56 transitions. [2022-11-21 23:23:54,003 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2022-11-21 23:23:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:23:54,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:54,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:54,270 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:23:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:54,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 54 states and 59 transitions. [2022-11-21 23:23:54,675 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2022-11-21 23:23:54,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 23:23:54,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:54,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:23:55,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 57 states and 61 transitions. [2022-11-21 23:23:55,380 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2022-11-21 23:23:55,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 23:23:55,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:55,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:55,606 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-21 23:23:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:56,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 56 states and 59 transitions. [2022-11-21 23:23:56,062 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2022-11-21 23:23:56,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-21 23:23:56,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:56,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-11-21 23:23:56,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:56,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 57 states and 60 transitions. [2022-11-21 23:23:56,434 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2022-11-21 23:23:56,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-21 23:23:56,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:56,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:56,578 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-21 23:23:56,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:56,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2022-11-21 23:23:56,657 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2022-11-21 23:23:56,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-21 23:23:56,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:56,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:56,774 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-21 23:23:56,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 60 states and 64 transitions. [2022-11-21 23:23:56,793 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2022-11-21 23:23:56,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 23:23:56,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:56,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:56,949 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-21 23:23:57,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:57,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 61 states and 65 transitions. [2022-11-21 23:23:57,036 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2022-11-21 23:23:57,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-21 23:23:57,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:57,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:57,126 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-21 23:23:57,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:57,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 62 states and 66 transitions. [2022-11-21 23:23:57,144 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2022-11-21 23:23:57,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-21 23:23:57,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:57,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:57,286 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-11-21 23:23:57,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:57,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 61 states and 65 transitions. [2022-11-21 23:23:57,474 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2022-11-21 23:23:57,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-21 23:23:57,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:57,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:57,672 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-21 23:23:58,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:58,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2022-11-21 23:23:58,060 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2022-11-21 23:23:58,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-21 23:23:58,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:58,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:58,194 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-11-21 23:23:58,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:58,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 63 states and 68 transitions. [2022-11-21 23:23:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2022-11-21 23:23:58,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-21 23:23:58,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:58,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:58,516 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-11-21 23:23:58,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:58,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 62 states and 67 transitions. [2022-11-21 23:23:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2022-11-21 23:23:58,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-21 23:23:58,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:58,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:59,038 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-11-21 23:23:59,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:59,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 61 states and 66 transitions. [2022-11-21 23:23:59,266 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2022-11-21 23:23:59,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:23:59,267 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2022-11-21 23:23:59,276 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 23:23:59,541 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-21 23:23:59,551 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-21 23:23:59,552 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:23:59,552 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2022-11-21 23:23:59,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:23:59 ImpRootNode [2022-11-21 23:23:59,553 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:23:59,553 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:23:59,554 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:23:59,554 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:23:59,554 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:23:49" (3/4) ... [2022-11-21 23:23:59,558 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:23:59,564 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure max [2022-11-21 23:23:59,568 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 23:23:59,569 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-21 23:23:59,569 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:23:59,569 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:23:59,623 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:23:59,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:23:59,625 INFO L158 Benchmark]: Toolchain (without parser) took 11176.55ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 82.4MB in the beginning and 58.6MB in the end (delta: 23.7MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2022-11-21 23:23:59,625 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:23:59,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.70ms. Allocated memory is still 125.8MB. Free memory was 82.4MB in the beginning and 71.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:23:59,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.69ms. Allocated memory is still 125.8MB. Free memory was 71.6MB in the beginning and 69.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:23:59,628 INFO L158 Benchmark]: Boogie Preprocessor took 38.39ms. Allocated memory is still 125.8MB. Free memory was 69.8MB in the beginning and 68.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:23:59,629 INFO L158 Benchmark]: RCFGBuilder took 492.22ms. Allocated memory is still 125.8MB. Free memory was 68.6MB in the beginning and 53.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:23:59,629 INFO L158 Benchmark]: CodeCheck took 10252.28ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 53.0MB in the beginning and 61.8MB in the end (delta: -8.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2022-11-21 23:23:59,635 INFO L158 Benchmark]: Witness Printer took 70.95ms. Allocated memory is still 161.5MB. Free memory was 61.8MB in the beginning and 58.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:23:59,637 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 29 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1270 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 653 mSDsluCounter, 264 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1556 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3899 IncrementalHoareTripleChecker+Invalid, 5455 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1556 mSolverCounterUnsat, 264 mSDtfsCounter, 3899 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5209 GetRequests, 5056 SyntacticMatches, 1 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9734 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 918 NumberOfCodeBlocks, 918 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 891 ConstructedInterpolants, 0 QuantifiedInterpolants, 1307 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 14 PerfectInterpolantSequences, 1923/2345 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 <= i || i == 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 <= i + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.70ms. Allocated memory is still 125.8MB. Free memory was 82.4MB in the beginning and 71.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.69ms. Allocated memory is still 125.8MB. Free memory was 71.6MB in the beginning and 69.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.39ms. Allocated memory is still 125.8MB. Free memory was 69.8MB in the beginning and 68.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 492.22ms. Allocated memory is still 125.8MB. Free memory was 68.6MB in the beginning and 53.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10252.28ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 53.0MB in the beginning and 61.8MB in the end (delta: -8.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * Witness Printer took 70.95ms. Allocated memory is still 161.5MB. Free memory was 61.8MB in the beginning and 58.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:23:59,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad8c905a-5cbe-411a-bcf0-0eeb3cbe011b/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 Result: TRUE