./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a532fd-b7d3-48c2-a568-12a899286875/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a532fd-b7d3-48c2-a568-12a899286875/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_87a532fd-b7d3-48c2-a568-12a899286875/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a532fd-b7d3-48c2-a568-12a899286875/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a532fd-b7d3-48c2-a568-12a899286875/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_87a532fd-b7d3-48c2-a568-12a899286875/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 a077c1334c11d8329da2d0c58ca917b2036581fa7e949d1d304e3346ec54a811 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 17:54:15,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 17:54:15,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 17:54:15,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 17:54:15,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 17:54:15,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 17:54:15,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 17:54:15,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 17:54:15,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 17:54:15,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 17:54:15,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 17:54:15,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 17:54:15,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 17:54:15,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 17:54:15,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 17:54:15,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 17:54:15,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 17:54:15,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 17:54:15,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 17:54:15,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 17:54:15,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 17:54:15,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 17:54:15,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 17:54:15,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 17:54:15,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 17:54:15,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 17:54:15,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 17:54:15,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 17:54:15,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 17:54:15,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 17:54:15,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 17:54:15,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 17:54:15,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 17:54:15,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 17:54:15,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 17:54:15,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 17:54:15,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 17:54:15,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 17:54:15,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 17:54:15,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 17:54:15,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 17:54:15,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a532fd-b7d3-48c2-a568-12a899286875/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 17:54:15,613 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 17:54:15,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 17:54:15,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 17:54:15,613 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 17:54:15,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 17:54:15,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 17:54:15,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 17:54:15,614 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 17:54:15,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 17:54:15,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 17:54:15,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 17:54:15,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 17:54:15,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 17:54:15,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 17:54:15,615 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 17:54:15,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 17:54:15,615 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 17:54:15,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 17:54:15,616 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 17:54:15,616 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 17:54:15,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 17:54:15,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:54:15,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 17:54:15,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 17:54:15,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 17:54:15,616 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 17:54:15,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 17:54:15,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 17:54:15,617 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_87a532fd-b7d3-48c2-a568-12a899286875/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a532fd-b7d3-48c2-a568-12a899286875/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a077c1334c11d8329da2d0c58ca917b2036581fa7e949d1d304e3346ec54a811 [2022-12-14 17:54:15,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 17:54:15,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 17:54:15,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 17:54:15,799 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 17:54:15,799 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 17:54:15,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a532fd-b7d3-48c2-a568-12a899286875/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c [2022-12-14 17:54:18,456 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 17:54:18,579 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 17:54:18,579 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a532fd-b7d3-48c2-a568-12a899286875/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c [2022-12-14 17:54:18,584 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a532fd-b7d3-48c2-a568-12a899286875/bin/ukojak-rkRKPMF4O4/data/7f68c3692/95d0b0e5851842d88516c819d0988379/FLAGa0c444c3e [2022-12-14 17:54:18,594 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a532fd-b7d3-48c2-a568-12a899286875/bin/ukojak-rkRKPMF4O4/data/7f68c3692/95d0b0e5851842d88516c819d0988379 [2022-12-14 17:54:18,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 17:54:18,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 17:54:18,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 17:54:18,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 17:54:18,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 17:54:18,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:54:18" (1/1) ... [2022-12-14 17:54:18,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5226c659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:18, skipping insertion in model container [2022-12-14 17:54:18,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:54:18" (1/1) ... [2022-12-14 17:54:18,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 17:54:18,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 17:54:18,721 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_87a532fd-b7d3-48c2-a568-12a899286875/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c[526,539] [2022-12-14 17:54:18,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:54:18,738 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 17:54:18,747 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_87a532fd-b7d3-48c2-a568-12a899286875/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c[526,539] [2022-12-14 17:54:18,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:54:18,761 INFO L208 MainTranslator]: Completed translation [2022-12-14 17:54:18,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:18 WrapperNode [2022-12-14 17:54:18,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 17:54:18,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 17:54:18,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 17:54:18,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 17:54:18,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:18" (1/1) ... [2022-12-14 17:54:18,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:18" (1/1) ... [2022-12-14 17:54:18,785 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2022-12-14 17:54:18,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 17:54:18,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 17:54:18,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 17:54:18,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 17:54:18,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:18" (1/1) ... [2022-12-14 17:54:18,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:18" (1/1) ... [2022-12-14 17:54:18,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:18" (1/1) ... [2022-12-14 17:54:18,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:18" (1/1) ... [2022-12-14 17:54:18,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:18" (1/1) ... [2022-12-14 17:54:18,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:18" (1/1) ... [2022-12-14 17:54:18,799 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:18" (1/1) ... [2022-12-14 17:54:18,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:18" (1/1) ... [2022-12-14 17:54:18,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 17:54:18,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 17:54:18,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 17:54:18,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 17:54:18,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:18" (1/1) ... [2022-12-14 17:54:18,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:54:18,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a532fd-b7d3-48c2-a568-12a899286875/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 17:54:18,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a532fd-b7d3-48c2-a568-12a899286875/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 17:54:18,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a532fd-b7d3-48c2-a568-12a899286875/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 17:54:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 17:54:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 17:54:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 17:54:18,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 17:54:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 17:54:18,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 17:54:18,913 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 17:54:18,915 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 17:54:19,035 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 17:54:19,075 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 17:54:19,075 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 17:54:19,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:54:19 BoogieIcfgContainer [2022-12-14 17:54:19,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 17:54:19,077 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 17:54:19,078 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 17:54:19,085 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 17:54:19,085 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:54:19" (1/1) ... [2022-12-14 17:54:19,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 17:54:19,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:19,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-12-14 17:54:19,137 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-12-14 17:54:19,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 17:54:19,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:19,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:19,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:54:19,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:19,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 38 transitions. [2022-12-14 17:54:19,406 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2022-12-14 17:54:19,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 17:54:19,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:19,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:19,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:54:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:19,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 42 transitions. [2022-12-14 17:54:19,566 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2022-12-14 17:54:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 17:54:19,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:19,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:19,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-14 17:54:19,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:19,754 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 17:54:20,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 49 transitions. [2022-12-14 17:54:20,002 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2022-12-14 17:54:20,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 17:54:20,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:20,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:20,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 17:54:20,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 17:54:20,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:20,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 55 transitions. [2022-12-14 17:54:20,279 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2022-12-14 17:54:20,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 17:54:20,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:20,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:20,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 17:54:20,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:20,360 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 17:54:20,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:20,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 63 transitions. [2022-12-14 17:54:20,497 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2022-12-14 17:54:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 17:54:20,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:20,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:20,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 17:54:20,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:20,618 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 17:54:21,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:21,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 73 transitions. [2022-12-14 17:54:21,065 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2022-12-14 17:54:21,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 17:54:21,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:21,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:21,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 17:54:21,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:21,132 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 17:54:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 82 transitions. [2022-12-14 17:54:21,250 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2022-12-14 17:54:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 17:54:21,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:21,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:21,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 17:54:21,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:21,313 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-14 17:54:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:21,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 50 states and 90 transitions. [2022-12-14 17:54:21,556 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2022-12-14 17:54:21,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 17:54:21,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:21,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:21,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 17:54:21,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:21,618 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 17:54:21,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:21,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 51 states and 91 transitions. [2022-12-14 17:54:21,754 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2022-12-14 17:54:21,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 17:54:21,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:21,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:21,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 17:54:21,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:21,846 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 14 proven. 13 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-12-14 17:54:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:21,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 51 states and 90 transitions. [2022-12-14 17:54:21,999 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2022-12-14 17:54:22,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 17:54:22,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:22,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:22,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 17:54:22,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 18 proven. 32 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-14 17:54:22,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:22,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 56 states and 100 transitions. [2022-12-14 17:54:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2022-12-14 17:54:22,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 17:54:22,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:22,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:22,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-14 17:54:22,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:22,844 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-14 17:54:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:23,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 62 states and 115 transitions. [2022-12-14 17:54:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 115 transitions. [2022-12-14 17:54:23,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 17:54:23,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:23,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:23,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-14 17:54:23,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:23,597 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-12-14 17:54:23,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:23,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 68 states and 127 transitions. [2022-12-14 17:54:23,964 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 127 transitions. [2022-12-14 17:54:23,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 17:54:23,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:23,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:23,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 17:54:23,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:24,030 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-12-14 17:54:24,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:24,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 71 states and 133 transitions. [2022-12-14 17:54:24,399 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 133 transitions. [2022-12-14 17:54:24,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 17:54:24,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:24,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:24,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-14 17:54:24,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:24,698 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 22 proven. 34 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-12-14 17:54:25,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:25,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 74 states and 139 transitions. [2022-12-14 17:54:25,165 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 139 transitions. [2022-12-14 17:54:25,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-14 17:54:25,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:25,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:25,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-14 17:54:25,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:25,335 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 24 proven. 55 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-12-14 17:54:26,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:26,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 79 states and 149 transitions. [2022-12-14 17:54:26,016 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 149 transitions. [2022-12-14 17:54:26,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-14 17:54:26,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:26,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:26,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 17:54:26,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:26,138 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 24 proven. 37 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-12-14 17:54:26,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:26,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 79 states and 148 transitions. [2022-12-14 17:54:26,359 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 148 transitions. [2022-12-14 17:54:26,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 17:54:26,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:26,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:26,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-14 17:54:26,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:26,610 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-12-14 17:54:27,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:27,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 85 states and 163 transitions. [2022-12-14 17:54:27,328 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 163 transitions. [2022-12-14 17:54:27,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 17:54:27,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:27,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:27,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-14 17:54:27,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 26 proven. 49 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-12-14 17:54:27,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:27,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 87 states and 168 transitions. [2022-12-14 17:54:27,605 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 168 transitions. [2022-12-14 17:54:27,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 17:54:27,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:27,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:27,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 17:54:27,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:27,686 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 26 proven. 31 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-12-14 17:54:27,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:27,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 87 states and 167 transitions. [2022-12-14 17:54:27,884 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 167 transitions. [2022-12-14 17:54:27,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 17:54:27,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:27,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:27,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 17:54:27,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:28,089 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 41 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-12-14 17:54:28,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:28,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 89 states and 178 transitions. [2022-12-14 17:54:28,699 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 178 transitions. [2022-12-14 17:54:28,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 17:54:28,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:28,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:28,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-14 17:54:28,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:29,287 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 57 proven. 58 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-12-14 17:54:30,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:30,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 99 states and 202 transitions. [2022-12-14 17:54:30,310 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 202 transitions. [2022-12-14 17:54:30,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-14 17:54:30,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:30,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:30,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 17:54:30,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-12-14 17:54:31,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:31,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 87 states and 172 transitions. [2022-12-14 17:54:31,727 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 172 transitions. [2022-12-14 17:54:31,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 17:54:31,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:31,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:31,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 38 conjunts are in the unsatisfiable core [2022-12-14 17:54:31,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:32,036 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 30 proven. 62 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-12-14 17:54:32,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:32,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 89 states and 176 transitions. [2022-12-14 17:54:32,426 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 176 transitions. [2022-12-14 17:54:32,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 17:54:32,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:32,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:32,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 17:54:32,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:32,706 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 30 proven. 62 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-12-14 17:54:33,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:33,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 91 states and 180 transitions. [2022-12-14 17:54:33,048 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 180 transitions. [2022-12-14 17:54:33,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 17:54:33,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:33,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:33,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 17:54:33,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:33,372 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 30 proven. 69 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-12-14 17:54:34,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:34,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 97 states and 196 transitions. [2022-12-14 17:54:34,825 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 196 transitions. [2022-12-14 17:54:34,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 17:54:34,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:34,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:34,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-14 17:54:34,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:35,075 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 32 proven. 73 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-12-14 17:54:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:35,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 99 states and 200 transitions. [2022-12-14 17:54:35,410 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 200 transitions. [2022-12-14 17:54:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-14 17:54:35,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:35,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:35,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-14 17:54:35,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:36,131 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 32 proven. 67 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-12-14 17:54:37,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:37,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 104 states and 210 transitions. [2022-12-14 17:54:37,662 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 210 transitions. [2022-12-14 17:54:37,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-14 17:54:37,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:37,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:37,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-14 17:54:37,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:37,792 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 34 proven. 70 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-14 17:54:38,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:38,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 104 states and 209 transitions. [2022-12-14 17:54:38,334 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 209 transitions. [2022-12-14 17:54:38,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 17:54:38,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:38,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:38,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 49 conjunts are in the unsatisfiable core [2022-12-14 17:54:38,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 34 proven. 81 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-14 17:54:40,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:40,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 112 states and 225 transitions. [2022-12-14 17:54:40,302 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 225 transitions. [2022-12-14 17:54:40,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 17:54:40,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:40,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:40,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-14 17:54:40,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:40,901 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 36 proven. 86 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2022-12-14 17:54:41,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:41,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 114 states and 229 transitions. [2022-12-14 17:54:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 229 transitions. [2022-12-14 17:54:41,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-14 17:54:41,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:41,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:41,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 54 conjunts are in the unsatisfiable core [2022-12-14 17:54:41,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:42,139 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 38 proven. 97 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2022-12-14 17:54:44,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:44,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 120 states and 245 transitions. [2022-12-14 17:54:44,027 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 245 transitions. [2022-12-14 17:54:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-14 17:54:44,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:44,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:44,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 52 conjunts are in the unsatisfiable core [2022-12-14 17:54:44,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:44,567 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 40 proven. 103 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-12-14 17:54:45,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:45,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 122 states and 249 transitions. [2022-12-14 17:54:45,128 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 249 transitions. [2022-12-14 17:54:45,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-14 17:54:45,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:45,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:45,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 52 conjunts are in the unsatisfiable core [2022-12-14 17:54:45,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:45,517 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 40 proven. 103 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-12-14 17:54:45,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:45,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 124 states and 253 transitions. [2022-12-14 17:54:45,837 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 253 transitions. [2022-12-14 17:54:45,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-14 17:54:45,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:45,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:45,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 56 conjunts are in the unsatisfiable core [2022-12-14 17:54:45,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:47,083 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 42 proven. 109 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2022-12-14 17:54:49,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:49,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 81 states and 123 transitions. [2022-12-14 17:54:49,623 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions. [2022-12-14 17:54:49,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-14 17:54:49,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:49,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:49,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-14 17:54:49,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 17:54:49,896 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 44 proven. 112 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2022-12-14 17:54:50,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:50,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 76 states and 118 transitions. [2022-12-14 17:54:50,795 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2022-12-14 17:54:50,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 17:54:50,796 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2022-12-14 17:54:50,802 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 17:54:51,588 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 17:54:51,591 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 17:54:51,591 INFO L560 CodeCheckObserver]: Invariant with dag size 50 [2022-12-14 17:54:51,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 05:54:51 ImpRootNode [2022-12-14 17:54:51,596 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 17:54:51,596 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 17:54:51,597 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 17:54:51,597 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 17:54:51,597 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:54:19" (3/4) ... [2022-12-14 17:54:51,599 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 17:54:51,602 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 17:54:51,605 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-14 17:54:51,605 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 17:54:51,605 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 17:54:51,605 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 17:54:51,605 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 17:54:51,629 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a532fd-b7d3-48c2-a568-12a899286875/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 17:54:51,629 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 17:54:51,630 INFO L158 Benchmark]: Toolchain (without parser) took 33032.86ms. Allocated memory was 140.5MB in the beginning and 270.5MB in the end (delta: 130.0MB). Free memory was 105.2MB in the beginning and 174.7MB in the end (delta: -69.4MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2022-12-14 17:54:51,630 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 140.5MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 17:54:51,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.88ms. Allocated memory is still 140.5MB. Free memory was 105.2MB in the beginning and 95.0MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 17:54:51,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.52ms. Allocated memory is still 140.5MB. Free memory was 95.0MB in the beginning and 93.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 17:54:51,630 INFO L158 Benchmark]: Boogie Preprocessor took 15.29ms. Allocated memory is still 140.5MB. Free memory was 93.4MB in the beginning and 92.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 17:54:51,631 INFO L158 Benchmark]: RCFGBuilder took 275.35ms. Allocated memory is still 140.5MB. Free memory was 92.2MB in the beginning and 78.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 17:54:51,631 INFO L158 Benchmark]: CodeCheck took 32518.70ms. Allocated memory was 140.5MB in the beginning and 270.5MB in the end (delta: 130.0MB). Free memory was 78.7MB in the beginning and 177.8MB in the end (delta: -99.0MB). Peak memory consumption was 144.8MB. Max. memory is 16.1GB. [2022-12-14 17:54:51,631 INFO L158 Benchmark]: Witness Printer took 32.74ms. Allocated memory is still 270.5MB. Free memory was 177.8MB in the beginning and 174.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 17:54:51,633 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.7s, OverallIterations: 37, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8099 SdHoareTripleChecker+Valid, 30.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2381 mSDsluCounter, 4972 SdHoareTripleChecker+Invalid, 26.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3581 mSDsCounter, 7406 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19128 IncrementalHoareTripleChecker+Invalid, 26534 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7406 mSolverCounterUnsat, 1391 mSDtfsCounter, 19128 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21657 GetRequests, 20624 SyntacticMatches, 625 SemanticMatches, 408 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104601 ImplicationChecksByTransitivity, 22.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 2467 NumberOfCodeBlocks, 2467 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 2431 ConstructedInterpolants, 0 QuantifiedInterpolants, 13259 SizeOfPredicates, 136 NumberOfNonLiveVariables, 6594 ConjunctsInSsa, 1038 ConjunctsInUnsatCore, 36 InterpolantComputations, 5 PerfectInterpolantSequences, 10150/11713 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((B * 8 == d && !(r <= 5)) || (B * 4 <= r && r <= 5)) || (B <= r && 2 == p)) || ((B == d && A <= 5) && 0 <= A)) || (((!((p == 4 && d == B * 4) && B == 1) && !((d == 2 * B && 2 == p) && B == 1)) && !((p == 1 && B == d) && B == 1)) && !((p == 8 && B * 8 == d) && B == 1))) || (d == B * 4 && 2 * B <= r)) || !(A == r)) || !(q == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 140.5MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.88ms. Allocated memory is still 140.5MB. Free memory was 105.2MB in the beginning and 95.0MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.52ms. Allocated memory is still 140.5MB. Free memory was 95.0MB in the beginning and 93.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.29ms. Allocated memory is still 140.5MB. Free memory was 93.4MB in the beginning and 92.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 275.35ms. Allocated memory is still 140.5MB. Free memory was 92.2MB in the beginning and 78.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 32518.70ms. Allocated memory was 140.5MB in the beginning and 270.5MB in the end (delta: 130.0MB). Free memory was 78.7MB in the beginning and 177.8MB in the end (delta: -99.0MB). Peak memory consumption was 144.8MB. Max. memory is 16.1GB. * Witness Printer took 32.74ms. Allocated memory is still 270.5MB. Free memory was 177.8MB in the beginning and 174.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 17:54:51,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a532fd-b7d3-48c2-a568-12a899286875/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: TRUE