./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768079c1-6067-4b99-8de2-c7fff0dc4dd3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768079c1-6067-4b99-8de2-c7fff0dc4dd3/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768079c1-6067-4b99-8de2-c7fff0dc4dd3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768079c1-6067-4b99-8de2-c7fff0dc4dd3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768079c1-6067-4b99-8de2-c7fff0dc4dd3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768079c1-6067-4b99-8de2-c7fff0dc4dd3/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c --- 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-dbf71c6-m [2022-10-17 16:54:37,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:54:37,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:54:38,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:54:38,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:54:38,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:54:38,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:54:38,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:54:38,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:54:38,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:54:38,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:54:38,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:54:38,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:54:38,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:54:38,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:54:38,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:54:38,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:54:38,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:54:38,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:54:38,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:54:38,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:54:38,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:54:38,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:54:38,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:54:38,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:54:38,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:54:38,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:54:38,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:54:38,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:54:38,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:54:38,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:54:38,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:54:38,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:54:38,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:54:38,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:54:38,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:54:38,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:54:38,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:54:38,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:54:38,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:54:38,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:54:38,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768079c1-6067-4b99-8de2-c7fff0dc4dd3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:54:38,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:54:38,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:54:38,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:54:38,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:54:38,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:54:38,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:54:38,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:54:38,146 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:54:38,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:54:38,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:54:38,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:54:38,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:54:38,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:54:38,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:54:38,149 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:54:38,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:54:38,149 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:54:38,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:54:38,150 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:54:38,150 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:54:38,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:54:38,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:38,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:54:38,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:54:38,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:54:38,151 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:54:38,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:54:38,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:54:38,153 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_768079c1-6067-4b99-8de2-c7fff0dc4dd3/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768079c1-6067-4b99-8de2-c7fff0dc4dd3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c [2022-10-17 16:54:38,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:54:38,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:54:38,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:54:38,448 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:54:38,449 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:54:38,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768079c1-6067-4b99-8de2-c7fff0dc4dd3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2022-10-17 16:54:38,534 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768079c1-6067-4b99-8de2-c7fff0dc4dd3/bin/ukojak-92XMlrwhuB/data/151b5bfdc/491b09f0d5f54856bb63521188457c09/FLAGb43dbb042 [2022-10-17 16:54:39,115 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:54:39,116 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768079c1-6067-4b99-8de2-c7fff0dc4dd3/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2022-10-17 16:54:39,121 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768079c1-6067-4b99-8de2-c7fff0dc4dd3/bin/ukojak-92XMlrwhuB/data/151b5bfdc/491b09f0d5f54856bb63521188457c09/FLAGb43dbb042 [2022-10-17 16:54:39,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768079c1-6067-4b99-8de2-c7fff0dc4dd3/bin/ukojak-92XMlrwhuB/data/151b5bfdc/491b09f0d5f54856bb63521188457c09 [2022-10-17 16:54:39,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:54:39,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:54:39,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:39,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:54:39,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:54:39,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:39" (1/1) ... [2022-10-17 16:54:39,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c84280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:39, skipping insertion in model container [2022-10-17 16:54:39,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:39" (1/1) ... [2022-10-17 16:54:39,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:54:39,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:54:39,694 WARN L230 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_768079c1-6067-4b99-8de2-c7fff0dc4dd3/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c[597,610] [2022-10-17 16:54:39,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:39,732 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:54:39,743 WARN L230 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_768079c1-6067-4b99-8de2-c7fff0dc4dd3/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c[597,610] [2022-10-17 16:54:39,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:39,765 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:54:39,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:39 WrapperNode [2022-10-17 16:54:39,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:39,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:39,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:54:39,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:54:39,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:39" (1/1) ... [2022-10-17 16:54:39,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:39" (1/1) ... [2022-10-17 16:54:39,801 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-10-17 16:54:39,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:39,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:54:39,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:54:39,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:54:39,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:39" (1/1) ... [2022-10-17 16:54:39,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:39" (1/1) ... [2022-10-17 16:54:39,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:39" (1/1) ... [2022-10-17 16:54:39,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:39" (1/1) ... [2022-10-17 16:54:39,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:39" (1/1) ... [2022-10-17 16:54:39,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:39" (1/1) ... [2022-10-17 16:54:39,822 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:39" (1/1) ... [2022-10-17 16:54:39,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:39" (1/1) ... [2022-10-17 16:54:39,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:54:39,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:54:39,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:54:39,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:54:39,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:39" (1/1) ... [2022-10-17 16:54:39,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:39,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768079c1-6067-4b99-8de2-c7fff0dc4dd3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:54:39,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768079c1-6067-4b99-8de2-c7fff0dc4dd3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:54:39,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768079c1-6067-4b99-8de2-c7fff0dc4dd3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:54:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:54:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:54:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:54:39,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:54:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:54:39,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:54:39,971 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:54:39,974 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:54:40,154 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:54:40,233 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:54:40,233 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:54:40,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:40 BoogieIcfgContainer [2022-10-17 16:54:40,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:54:40,236 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:54:40,237 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:54:40,247 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:54:40,247 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:40" (1/1) ... [2022-10-17 16:54:40,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:54:40,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:40,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2022-10-17 16:54:40,311 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2022-10-17 16:54:40,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:54:40,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:40,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:40,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:54:40,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:40,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:40,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:40,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-10-17 16:54:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-10-17 16:54:40,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:54:40,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:40,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:40,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:54:41,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:41,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:41,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:41,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 16:54:41,396 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 16:54:41,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:54:41,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:41,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:41,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:54:41,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:41,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:41,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:41,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2022-10-17 16:54:41,902 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2022-10-17 16:54:41,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:54:41,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:41,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:41,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:54:41,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:42,284 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:54:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:43,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:43,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2022-10-17 16:54:43,576 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2022-10-17 16:54:43,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:54:43,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:43,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:43,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:54:43,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:43,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:45,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:45,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 74 transitions. [2022-10-17 16:54:45,324 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2022-10-17 16:54:45,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:54:45,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:45,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:45,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:54:45,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:46,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:49,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:49,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 43 states and 98 transitions. [2022-10-17 16:54:49,545 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 98 transitions. [2022-10-17 16:54:49,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:54:49,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:49,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:49,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:54:49,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:50,372 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:52,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:52,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 44 states and 101 transitions. [2022-10-17 16:54:52,131 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 101 transitions. [2022-10-17 16:54:52,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:54:52,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:52,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:52,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:54:52,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:52,692 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:54:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:56,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:56,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 47 states and 114 transitions. [2022-10-17 16:54:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 114 transitions. [2022-10-17 16:54:56,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:54:56,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:56,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:56,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:54:56,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:56,405 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:00,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:00,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 51 states and 128 transitions. [2022-10-17 16:55:00,514 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 128 transitions. [2022-10-17 16:55:00,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:55:00,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:00,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:00,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:55:00,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:00,587 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:02,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:02,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 56 states and 153 transitions. [2022-10-17 16:55:02,393 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 153 transitions. [2022-10-17 16:55:02,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:55:02,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:02,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:02,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:55:02,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:03,599 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:55:07,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:07,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 60 states and 180 transitions. [2022-10-17 16:55:07,690 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 180 transitions. [2022-10-17 16:55:07,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:55:07,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:07,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:07,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:55:07,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:08,491 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:55:10,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:10,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 60 states and 171 transitions. [2022-10-17 16:55:10,398 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 171 transitions. [2022-10-17 16:55:10,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:55:10,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:10,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:10,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:55:10,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:11,923 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:55:12,791 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.