./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.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_0788587c-a680-4cbe-9c22-ee1613e30ae9/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0788587c-a680-4cbe-9c22-ee1613e30ae9/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_0788587c-a680-4cbe-9c22-ee1613e30ae9/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0788587c-a680-4cbe-9c22-ee1613e30ae9/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0788587c-a680-4cbe-9c22-ee1613e30ae9/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_0788587c-a680-4cbe-9c22-ee1613e30ae9/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 13f01b13f842e70fa5dc0726b8b5b83cfbe12eb21a3c45812a2355ca865a56c3 --- 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 16:57:56,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:57:56,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:57:56,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:57:56,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:57:56,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:57:56,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:57:56,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:57:56,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:57:56,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:57:56,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:57:56,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:57:56,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:57:56,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:57:56,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:57:56,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:57:56,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:57:56,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:57:56,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:57:56,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:57:56,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:57:56,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:57:56,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:57:56,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:57:56,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:57:56,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:57:56,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:57:56,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:57:56,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:57:56,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:57:56,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:57:56,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:57:56,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:57:56,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:57:57,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:57:57,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:57:57,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:57:57,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:57:57,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:57:57,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:57:57,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:57:57,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0788587c-a680-4cbe-9c22-ee1613e30ae9/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:57:57,061 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:57:57,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:57:57,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:57:57,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:57:57,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:57:57,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:57:57,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:57:57,066 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:57:57,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:57:57,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:57:57,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:57:57,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:57:57,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:57:57,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:57:57,069 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:57:57,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:57:57,070 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:57:57,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:57:57,071 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:57:57,071 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:57:57,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:57:57,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:57,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:57:57,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:57:57,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:57:57,073 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:57:57,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:57:57,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:57:57,076 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_0788587c-a680-4cbe-9c22-ee1613e30ae9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0788587c-a680-4cbe-9c22-ee1613e30ae9/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13f01b13f842e70fa5dc0726b8b5b83cfbe12eb21a3c45812a2355ca865a56c3 [2022-10-17 16:57:57,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:57:57,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:57:57,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:57:57,444 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:57:57,446 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:57:57,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0788587c-a680-4cbe-9c22-ee1613e30ae9/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c [2022-10-17 16:57:57,517 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0788587c-a680-4cbe-9c22-ee1613e30ae9/bin/ukojak-92XMlrwhuB/data/2772f7b0d/710a8fd94396434793a0df89ae97ad7e/FLAGfd70ea262 [2022-10-17 16:57:58,024 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:57:58,025 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0788587c-a680-4cbe-9c22-ee1613e30ae9/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c [2022-10-17 16:57:58,031 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0788587c-a680-4cbe-9c22-ee1613e30ae9/bin/ukojak-92XMlrwhuB/data/2772f7b0d/710a8fd94396434793a0df89ae97ad7e/FLAGfd70ea262 [2022-10-17 16:57:58,392 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0788587c-a680-4cbe-9c22-ee1613e30ae9/bin/ukojak-92XMlrwhuB/data/2772f7b0d/710a8fd94396434793a0df89ae97ad7e [2022-10-17 16:57:58,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:57:58,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:57:58,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:58,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:57:58,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:57:58,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:58" (1/1) ... [2022-10-17 16:57:58,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e4c950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:58, skipping insertion in model container [2022-10-17 16:57:58,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:58" (1/1) ... [2022-10-17 16:57:58,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:57:58,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:57:58,641 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_0788587c-a680-4cbe-9c22-ee1613e30ae9/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c[597,610] [2022-10-17 16:57:58,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:58,699 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:57:58,721 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_0788587c-a680-4cbe-9c22-ee1613e30ae9/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c[597,610] [2022-10-17 16:57:58,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:58,775 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:57:58,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:58 WrapperNode [2022-10-17 16:57:58,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:58,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:58,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:57:58,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:57:58,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:58" (1/1) ... [2022-10-17 16:57:58,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:58" (1/1) ... [2022-10-17 16:57:58,829 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2022-10-17 16:57:58,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:58,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:57:58,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:57:58,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:57:58,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:58" (1/1) ... [2022-10-17 16:57:58,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:58" (1/1) ... [2022-10-17 16:57:58,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:58" (1/1) ... [2022-10-17 16:57:58,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:58" (1/1) ... [2022-10-17 16:57:58,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:58" (1/1) ... [2022-10-17 16:57:58,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:58" (1/1) ... [2022-10-17 16:57:58,853 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:58" (1/1) ... [2022-10-17 16:57:58,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:58" (1/1) ... [2022-10-17 16:57:58,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:57:58,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:57:58,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:57:58,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:57:58,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:58" (1/1) ... [2022-10-17 16:57:58,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:58,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0788587c-a680-4cbe-9c22-ee1613e30ae9/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:57:58,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0788587c-a680-4cbe-9c22-ee1613e30ae9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:57:58,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0788587c-a680-4cbe-9c22-ee1613e30ae9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:57:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:57:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:57:58,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:57:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:57:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:57:58,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:57:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:57:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:57:59,028 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:57:59,031 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:57:59,277 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:57:59,366 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:57:59,366 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:57:59,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:59 BoogieIcfgContainer [2022-10-17 16:57:59,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:57:59,373 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:57:59,374 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:57:59,387 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:57:59,387 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:59" (1/1) ... [2022-10-17 16:57:59,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:57:59,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:59,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-10-17 16:57:59,533 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-10-17 16:57:59,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:57:59,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:59,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:59,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:57:59,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:00,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:00,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:00,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-10-17 16:58:00,305 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-10-17 16:58:00,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:58:00,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:00,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:00,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:58:00,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:58:01,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:01,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 38 transitions. [2022-10-17 16:58:01,131 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-10-17 16:58:01,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:58:01,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:01,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:01,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:58:01,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:01,434 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:58:01,962 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:03,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:03,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 51 transitions. [2022-10-17 16:58:03,560 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2022-10-17 16:58:03,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:58:03,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:03,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:03,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 16:58:03,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:04,997 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:08,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:08,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 70 transitions. [2022-10-17 16:58:08,018 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2022-10-17 16:58:08,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:58:08,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:08,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:08,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:58:08,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:08,735 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:58:09,425 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:58:22,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:58:22,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:22,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 79 transitions. [2022-10-17 16:58:22,862 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 79 transitions. [2022-10-17 16:58:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:58:22,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:22,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:22,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 16:58:22,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:58:27,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:27,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 46 states and 90 transitions. [2022-10-17 16:58:27,016 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 90 transitions. [2022-10-17 16:58:27,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:58:27,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:27,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:27,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:58:27,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:28,216 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:58:28,994 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:58:34,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:34,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 48 states and 95 transitions. [2022-10-17 16:58:34,197 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2022-10-17 16:58:34,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:58:34,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:34,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:34,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 16:58:34,283 INFO L286 TraceCheckSpWp]: Computing forward predicates...