./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/divbin2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/divbin2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4 --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 c7e3f11d23b462949b18ec2057853f57240b0651aa6fb66cf591585739df9d3e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 02:30:57,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:30:57,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:30:57,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:30:57,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:30:57,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:30:57,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:30:57,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:30:57,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:30:57,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:30:57,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:30:57,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:30:57,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:30:57,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:30:57,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:30:57,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:30:57,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:30:57,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:30:57,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:30:57,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:30:57,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:30:57,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:30:57,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:30:57,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:30:57,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:30:57,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:30:57,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:30:57,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:30:57,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:30:57,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:30:57,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:30:57,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:30:57,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:30:57,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:30:57,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:30:57,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:30:57,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:30:57,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:30:57,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:30:57,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:30:57,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:30:57,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 02:30:57,264 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:30:57,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:30:57,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:30:57,272 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:30:57,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:30:57,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:30:57,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:30:57,274 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:30:57,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:30:57,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:30:57,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:30:57,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:30:57,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:30:57,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:30:57,275 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:30:57,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:30:57,276 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:30:57,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:30:57,276 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:30:57,276 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:30:57,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:30:57,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:30:57,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:30:57,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:30:57,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:30:57,277 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:30:57,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:30:57,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:30:57,278 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_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7e3f11d23b462949b18ec2057853f57240b0651aa6fb66cf591585739df9d3e [2022-12-15 02:30:57,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:30:57,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:30:57,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:30:57,474 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:30:57,474 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:30:57,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench/divbin2.i [2022-12-15 02:31:00,042 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:31:00,201 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:31:00,202 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/sv-benchmarks/c/nla-digbench/divbin2.i [2022-12-15 02:31:00,206 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/data/87285f355/4be4edc14e7a49ee8f594fac0bf5c872/FLAGaf4447b3b [2022-12-15 02:31:00,603 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/data/87285f355/4be4edc14e7a49ee8f594fac0bf5c872 [2022-12-15 02:31:00,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:31:00,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:31:00,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:31:00,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:31:00,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:31:00,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:31:00" (1/1) ... [2022-12-15 02:31:00,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4362a80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:31:00, skipping insertion in model container [2022-12-15 02:31:00,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:31:00" (1/1) ... [2022-12-15 02:31:00,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:31:00,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:31:00,724 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_058b5867-39e3-4c2d-b397-86bdaedd6f6b/sv-benchmarks/c/nla-digbench/divbin2.i[951,964] [2022-12-15 02:31:00,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:31:00,739 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:31:00,748 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_058b5867-39e3-4c2d-b397-86bdaedd6f6b/sv-benchmarks/c/nla-digbench/divbin2.i[951,964] [2022-12-15 02:31:00,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:31:00,760 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:31:00,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:31:00 WrapperNode [2022-12-15 02:31:00,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:31:00,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:31:00,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:31:00,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:31:00,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:31:00" (1/1) ... [2022-12-15 02:31:00,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:31:00" (1/1) ... [2022-12-15 02:31:00,783 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-12-15 02:31:00,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:31:00,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:31:00,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:31:00,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:31:00,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:31:00" (1/1) ... [2022-12-15 02:31:00,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:31:00" (1/1) ... [2022-12-15 02:31:00,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:31:00" (1/1) ... [2022-12-15 02:31:00,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:31:00" (1/1) ... [2022-12-15 02:31:00,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:31:00" (1/1) ... [2022-12-15 02:31:00,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:31:00" (1/1) ... [2022-12-15 02:31:00,795 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:31:00" (1/1) ... [2022-12-15 02:31:00,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:31:00" (1/1) ... [2022-12-15 02:31:00,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:31:00,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:31:00,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:31:00,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:31:00,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:31:00" (1/1) ... [2022-12-15 02:31:00,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:31:00,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:31:00,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:31:00,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:31:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:31:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:31:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:31:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:31:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 02:31:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 02:31:00,907 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:31:00,909 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:31:01,016 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:31:01,044 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:31:01,044 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 02:31:01,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:31:01 BoogieIcfgContainer [2022-12-15 02:31:01,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:31:01,047 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:31:01,047 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:31:01,054 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:31:01,054 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:31:01" (1/1) ... [2022-12-15 02:31:01,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:31:01,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:01,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-12-15 02:31:01,110 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-12-15 02:31:01,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:31:01,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:01,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:01,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-15 02:31:01,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:01,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:01,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:01,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-12-15 02:31:01,240 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-15 02:31:01,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:31:01,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:01,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:01,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 02:31:01,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:01,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:01,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:01,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-12-15 02:31:01,523 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-12-15 02:31:01,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 02:31:01,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:01,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:01,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 02:31:01,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:01,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:01,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:01,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2022-12-15 02:31:01,834 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-12-15 02:31:01,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 02:31:01,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:01,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:01,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-15 02:31:01,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:02,014 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:02,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:02,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2022-12-15 02:31:02,318 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2022-12-15 02:31:02,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:31:02,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:02,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:02,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 02:31:02,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:02,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:02,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:02,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2022-12-15 02:31:02,654 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2022-12-15 02:31:02,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:31:02,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:02,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:02,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-15 02:31:02,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:02,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 02:31:02,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:02,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2022-12-15 02:31:02,966 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2022-12-15 02:31:02,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 02:31:02,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:02,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:02,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 02:31:02,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:03,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:03,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:03,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2022-12-15 02:31:03,423 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2022-12-15 02:31:03,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 02:31:03,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:03,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:03,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-15 02:31:03,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:04,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:04,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2022-12-15 02:31:04,024 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2022-12-15 02:31:04,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 02:31:04,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:04,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:04,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-15 02:31:04,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:04,232 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:04,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:04,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 48 states and 81 transitions. [2022-12-15 02:31:04,888 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 81 transitions. [2022-12-15 02:31:04,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 02:31:04,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:04,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:04,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-15 02:31:04,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:06,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:06,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2022-12-15 02:31:06,000 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2022-12-15 02:31:06,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 02:31:06,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:06,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:06,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-15 02:31:06,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:06,327 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:07,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:07,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 62 states and 107 transitions. [2022-12-15 02:31:07,213 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 107 transitions. [2022-12-15 02:31:07,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 02:31:07,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:07,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:07,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-15 02:31:07,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:07,422 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 02:31:07,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:08,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 67 states and 115 transitions. [2022-12-15 02:31:08,000 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 115 transitions. [2022-12-15 02:31:08,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 02:31:08,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:08,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:08,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-15 02:31:08,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:08,452 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:10,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:10,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 74 states and 128 transitions. [2022-12-15 02:31:10,396 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 128 transitions. [2022-12-15 02:31:10,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 02:31:10,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:10,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:10,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-15 02:31:10,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:31:17,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:17,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 82 states and 144 transitions. [2022-12-15 02:31:17,102 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 144 transitions. [2022-12-15 02:31:17,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 02:31:17,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:17,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:17,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 36 conjunts are in the unsatisfiable core [2022-12-15 02:31:17,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:17,698 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:23,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:23,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 89 states and 157 transitions. [2022-12-15 02:31:23,237 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2022-12-15 02:31:23,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 02:31:23,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:23,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:24,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 36 conjunts are in the unsatisfiable core [2022-12-15 02:31:24,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:24,913 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:31:32,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:32,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 97 states and 172 transitions. [2022-12-15 02:31:32,486 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 172 transitions. [2022-12-15 02:31:32,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 02:31:32,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:32,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:32,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 38 conjunts are in the unsatisfiable core [2022-12-15 02:31:32,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:32,990 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 1 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:40,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:40,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 104 states and 185 transitions. [2022-12-15 02:31:40,667 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 185 transitions. [2022-12-15 02:31:40,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:31:40,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:40,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:50,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 36 conjunts are in the unsatisfiable core [2022-12-15 02:31:50,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:50,476 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:31:59,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 107 states and 192 transitions. [2022-12-15 02:31:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 192 transitions. [2022-12-15 02:31:59,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 02:31:59,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:59,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:59,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-15 02:31:59,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:31:59,982 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:32:10,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:32:10,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 114 states and 205 transitions. [2022-12-15 02:32:10,718 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 205 transitions. [2022-12-15 02:32:10,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 02:32:10,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:32:10,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:32:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:32:11,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 02:32:11,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:32:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:32:23,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:32:23,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 117 states and 212 transitions. [2022-12-15 02:32:23,797 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 212 transitions. [2022-12-15 02:32:23,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 02:32:23,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:32:23,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:32:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:32:23,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-15 02:32:23,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:32:25,049 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 02:32:27,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:32:27,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 119 states and 216 transitions. [2022-12-15 02:32:27,197 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 216 transitions. [2022-12-15 02:32:27,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 02:32:27,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:32:27,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:32:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:32:27,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-15 02:32:27,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:32:27,969 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 1 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:32:40,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:32:40,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 126 states and 229 transitions. [2022-12-15 02:32:40,302 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 229 transitions. [2022-12-15 02:32:40,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 02:32:40,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:32:40,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:32:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:32:40,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-15 02:32:40,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:32:41,526 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:32:53,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:32:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 129 states and 236 transitions. [2022-12-15 02:32:53,615 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 236 transitions. [2022-12-15 02:32:53,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 02:32:53,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:32:53,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:32:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:32:56,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 02:32:56,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:32:57,933 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:33:22,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:33:22,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 134 states and 248 transitions. [2022-12-15 02:33:22,791 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 248 transitions. [2022-12-15 02:33:22,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 02:33:22,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:33:22,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:33:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:33:22,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-15 02:33:22,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:33:23,688 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 1 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:33:42,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:33:42,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 141 states and 261 transitions. [2022-12-15 02:33:42,454 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 261 transitions. [2022-12-15 02:33:42,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 02:33:42,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:33:42,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:33:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:33:43,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-15 02:33:43,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:33:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:34:00,335 WARN L233 SmtUtils]: Spent 11.88s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:34:05,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 02:34:19,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:19,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 149 states and 276 transitions. [2022-12-15 02:34:19,511 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 276 transitions. [2022-12-15 02:34:19,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 02:34:19,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:19,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:26,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-15 02:34:26,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:34:41,927 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 11 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:35:21,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 02:35:27,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:27,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 160 states and 297 transitions. [2022-12-15 02:35:27,372 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 297 transitions. [2022-12-15 02:35:27,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 02:35:27,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:27,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:27,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-15 02:35:27,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:35:28,994 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 1 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:35:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 167 states and 310 transitions. [2022-12-15 02:35:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 310 transitions. [2022-12-15 02:35:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 02:35:53,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:53,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:53,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-15 02:35:53,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:35:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 80 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:36:08,808 WARN L233 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 164 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:36:29,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 02:36:29,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:36:29,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 170 states and 317 transitions. [2022-12-15 02:36:29,560 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 317 transitions. [2022-12-15 02:36:29,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 02:36:29,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:36:29,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:36:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:36:30,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 02:36:30,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:36:31,924 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 11 proven. 46 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:36:38,840 WARN L233 SmtUtils]: Spent 5.48s on a formula simplification that was a NOOP. DAG size: 177 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:36:47,632 WARN L233 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:37:10,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:37:10,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 173 states and 324 transitions. [2022-12-15 02:37:10,140 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 324 transitions. [2022-12-15 02:37:10,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 02:37:10,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:37:10,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:37:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:37:10,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-15 02:37:10,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:37:11,250 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 1 proven. 159 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:37:20,019 WARN L233 SmtUtils]: Spent 5.91s on a formula simplification that was a NOOP. DAG size: 182 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:37:28,731 WARN L233 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 183 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:37:38,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:37:38,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 180 states and 337 transitions. [2022-12-15 02:37:38,965 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 337 transitions. [2022-12-15 02:37:38,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 02:37:38,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:37:38,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:37:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:37:39,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-15 02:37:39,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:37:40,474 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 6 proven. 98 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:37:52,041 WARN L233 SmtUtils]: Spent 10.40s on a formula simplification that was a NOOP. DAG size: 186 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:38:00,319 WARN L233 SmtUtils]: Spent 6.28s on a formula simplification that was a NOOP. DAG size: 187 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:38:17,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:38:17,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 183 states and 344 transitions. [2022-12-15 02:38:17,299 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 344 transitions. [2022-12-15 02:38:17,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-15 02:38:17,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:38:17,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:38:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-12-15 02:38:27,327 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-15 02:38:27,330 INFO L158 Benchmark]: Toolchain (without parser) took 446723.60ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 102.1MB in the beginning and 88.1MB in the end (delta: 14.0MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2022-12-15 02:38:27,330 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:38:27,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.20ms. Allocated memory is still 134.2MB. Free memory was 102.1MB in the beginning and 91.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 02:38:27,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.63ms. Allocated memory is still 134.2MB. Free memory was 91.6MB in the beginning and 90.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:38:27,332 INFO L158 Benchmark]: Boogie Preprocessor took 13.13ms. Allocated memory is still 134.2MB. Free memory was 90.4MB in the beginning and 89.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:38:27,332 INFO L158 Benchmark]: RCFGBuilder took 248.89ms. Allocated memory is still 134.2MB. Free memory was 89.1MB in the beginning and 77.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 02:38:27,333 INFO L158 Benchmark]: CodeCheck took 446282.58ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 77.3MB in the beginning and 88.1MB in the end (delta: -10.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-12-15 02:38:27,335 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.20ms. Allocated memory is still 134.2MB. Free memory was 102.1MB in the beginning and 91.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.63ms. Allocated memory is still 134.2MB. Free memory was 91.6MB in the beginning and 90.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.13ms. Allocated memory is still 134.2MB. Free memory was 90.4MB in the beginning and 89.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 248.89ms. Allocated memory is still 134.2MB. Free memory was 89.1MB in the beginning and 77.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 446282.58ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 77.3MB in the beginning and 88.1MB in the end (delta: -10.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 02:38:27,542 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2022-12-15 02:38:27,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/divbin2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4 --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 c7e3f11d23b462949b18ec2057853f57240b0651aa6fb66cf591585739df9d3e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 02:38:28,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:38:28,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:38:28,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:38:28,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:38:28,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:38:28,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:38:28,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:38:28,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:38:28,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:38:28,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:38:28,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:38:28,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:38:28,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:38:28,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:38:28,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:38:28,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:38:28,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:38:28,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:38:28,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:38:28,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:38:28,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:38:28,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:38:28,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:38:28,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:38:28,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:38:28,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:38:28,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:38:28,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:38:28,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:38:28,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:38:28,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:38:28,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:38:28,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:38:28,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:38:28,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:38:28,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:38:28,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:38:28,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:38:28,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:38:28,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:38:28,944 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-15 02:38:28,966 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:38:28,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:38:28,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:38:28,968 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:38:28,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:38:28,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:38:28,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:38:28,969 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:38:28,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:38:28,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:38:28,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:38:28,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:38:28,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:38:28,970 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 02:38:28,970 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 02:38:28,970 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 02:38:28,971 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:38:28,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:38:28,971 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:38:28,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:38:28,971 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:38:28,971 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:38:28,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:38:28,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:38:28,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:38:28,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:38:28,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:38:28,973 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 02:38:28,973 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 02:38:28,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:38:28,973 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 02:38:28,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 02:38:28,974 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7e3f11d23b462949b18ec2057853f57240b0651aa6fb66cf591585739df9d3e [2022-12-15 02:38:29,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:38:29,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:38:29,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:38:29,205 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:38:29,205 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:38:29,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench/divbin2.i [2022-12-15 02:38:31,780 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:38:31,937 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:38:31,937 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/sv-benchmarks/c/nla-digbench/divbin2.i [2022-12-15 02:38:31,942 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/data/49c31180a/24cd73cd45b844e1bb853ea0fd262a79/FLAG3b44ed701 [2022-12-15 02:38:31,953 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/data/49c31180a/24cd73cd45b844e1bb853ea0fd262a79 [2022-12-15 02:38:31,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:38:31,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:38:31,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:38:31,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:38:31,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:38:31,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:38:31" (1/1) ... [2022-12-15 02:38:31,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c2f5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:38:31, skipping insertion in model container [2022-12-15 02:38:31,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:38:31" (1/1) ... [2022-12-15 02:38:31,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:38:31,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:38:32,089 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_058b5867-39e3-4c2d-b397-86bdaedd6f6b/sv-benchmarks/c/nla-digbench/divbin2.i[951,964] [2022-12-15 02:38:32,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:38:32,107 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:38:32,117 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_058b5867-39e3-4c2d-b397-86bdaedd6f6b/sv-benchmarks/c/nla-digbench/divbin2.i[951,964] [2022-12-15 02:38:32,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:38:32,130 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:38:32,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:38:32 WrapperNode [2022-12-15 02:38:32,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:38:32,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:38:32,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:38:32,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:38:32,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:38:32" (1/1) ... [2022-12-15 02:38:32,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:38:32" (1/1) ... [2022-12-15 02:38:32,154 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-12-15 02:38:32,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:38:32,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:38:32,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:38:32,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:38:32,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:38:32" (1/1) ... [2022-12-15 02:38:32,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:38:32" (1/1) ... [2022-12-15 02:38:32,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:38:32" (1/1) ... [2022-12-15 02:38:32,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:38:32" (1/1) ... [2022-12-15 02:38:32,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:38:32" (1/1) ... [2022-12-15 02:38:32,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:38:32" (1/1) ... [2022-12-15 02:38:32,169 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:38:32" (1/1) ... [2022-12-15 02:38:32,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:38:32" (1/1) ... [2022-12-15 02:38:32,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:38:32,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:38:32,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:38:32,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:38:32,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:38:32" (1/1) ... [2022-12-15 02:38:32,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:38:32,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:38:32,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:38:32,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:38:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:38:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 02:38:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:38:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:38:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 02:38:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 02:38:32,293 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:38:32,295 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:38:32,404 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:38:32,438 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:38:32,438 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 02:38:32,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:38:32 BoogieIcfgContainer [2022-12-15 02:38:32,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:38:32,442 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:38:32,442 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:38:32,451 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:38:32,452 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:38:32" (1/1) ... [2022-12-15 02:38:32,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:38:32,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:38:32,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-12-15 02:38:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-12-15 02:38:32,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:38:32,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:38:32,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:38:32,561 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-15 02:38:32,564 INFO L158 Benchmark]: Toolchain (without parser) took 607.33ms. Allocated memory is still 73.4MB. Free memory was 52.4MB in the beginning and 40.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-12-15 02:38:32,565 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:38:32,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.38ms. Allocated memory is still 73.4MB. Free memory was 52.2MB in the beginning and 41.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 02:38:32,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.29ms. Allocated memory is still 73.4MB. Free memory was 41.5MB in the beginning and 40.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:38:32,567 INFO L158 Benchmark]: Boogie Preprocessor took 15.97ms. Allocated memory is still 73.4MB. Free memory was 40.1MB in the beginning and 38.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:38:32,568 INFO L158 Benchmark]: RCFGBuilder took 269.26ms. Allocated memory is still 73.4MB. Free memory was 38.7MB in the beginning and 45.9MB in the end (delta: -7.2MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2022-12-15 02:38:32,568 INFO L158 Benchmark]: CodeCheck took 121.47ms. Allocated memory is still 73.4MB. Free memory was 45.9MB in the beginning and 40.0MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 02:38:32,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 173.38ms. Allocated memory is still 73.4MB. Free memory was 52.2MB in the beginning and 41.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.29ms. Allocated memory is still 73.4MB. Free memory was 41.5MB in the beginning and 40.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.97ms. Allocated memory is still 73.4MB. Free memory was 40.1MB in the beginning and 38.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 269.26ms. Allocated memory is still 73.4MB. Free memory was 38.7MB in the beginning and 45.9MB in the end (delta: -7.2MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * CodeCheck took 121.47ms. Allocated memory is still 73.4MB. Free memory was 45.9MB in the beginning and 40.0MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 02:38:32,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058b5867-39e3-4c2d-b397-86bdaedd6f6b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared